{"data":{"id":"us/40-cfr-81.326","jurisdiction":"us","citation":"40 CFR 81.326","heading":"Missouri.","body":"Missouri—TSP\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nSt. Louis AQCR (070):\nSt. Louis (an area extending west about 2 miles from the Mississippi River, north to near I-270 and south to about 1 mile beyond the city limits X\nRemainder of the city of St. Louis X\nRemainder of AQCR X\nKansas City AQCR (094):\nKansas City (an area extending approximately from the Kansas state line east along Red Bridge Road and 115th Street to Missouri Highway 291, then north to I-70, east to Missouri Highway 7, north to U.S. Highway 24 west to Missouri Highway 291, north to Missouri Highway 152, west to Missouri Highway 9, south to U.S. Highway FF, and due south to the state line) X\nSt. Joseph: Within city limits X\nRemainder of AQCR X\nNorthern AQCR (137): Mexico (township 51 north, range 9 west) X\nRemainder of AQCR X\nSoutheastern AQCR (138) X\nRemainder of AQCR X\nSouthwestern AQCR (139) X\n1 EPA designation replaces State designation.\nMissouri—1971 Sulfur Dioxide NAAQS\n[Primary and Secondary]\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nNorthern AQCR (137):\nPike County X\nRalls County X\nRemainder of AQCR X\nRemainder of State X\nMissouri—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area 1 Designation\nDate 2 Type\nJackson County, MO 3/2/2022 Attainment.\nJackson County (part).\nThe portion of Jackson County bounded by I-70/I-670 and the Missouri River to the north; and, to the west of I-435 to the state line separating Missouri and Kansas\nJefferson County, MO 2/28/2022 Attainment.\nJefferson County (part)\nThat portion within Jefferson County described by connecting the following four sets of UTM coordinates moving in a clockwise manner:\n(Herculaneum USGS Quadrangle), 718360.283, 4250477.056, 729301.869, 4250718.415, 729704.134, 4236840.30, 718762.547, 4236558.715\n(Festus USGS Quadrangle), 718762.547, 4236558.715, 729704.134, 4236840.30, 730066.171, 4223042.637, 719124.585, 4222680.6\n(Selma USGS Quadrangle), 729704.134, 4236840.30, 730428.209, 4236840.3, 741047.984, 4223283.996, 730066.171, 4223042.637\n(Valmeyer USGS Quadrangle), 729301.869, 4250718.415, 731474.096, 4250798.868, 730428.209, 4236840.3, 729704.134, 4236840.30\nNew Madrid County, MO 4/30/2021 Nonattainment.\nNew Madrid County (part).\nArea bounded by: East: Missouri/Kentucky and Missouri/Tennessee State lines. North: County Highway 406 East to Levee Road, following Levee Road North to County Highway 406, then extending directly East to the Missouri/Kentucky State line. West: County Highway 403 South: County Highway 408 East to the intersection with County Highway 431, then extending directly East to the Missouri/Tennessee State line.\nFranklin-St. Charles Counties, MO 9/12/2016 Unclassifiable.\nFranklin County (part)\nThe eastern and western boundaries are Boles Township boundaries. The northern boundary is the Franklin County-St. Charles County Line. The southern boundary is Interstate 44.\nSt. Charles County (part)\nThe eastern and western boundaries are Boone Township boundaries. The northern boundary is Missouri Route D and Highway 94. The southern boundary is the Franklin County-St. Charles County Line.\nJackson County, MO 9/12/2016 Unclassifiable.\nJackson County (part)\nThe northern boundary is the county line separating Jackson County from Clay and Ray Counties. The eastern boundary is the county line separating Jackson County from Lafayette County. The southern boundary is Interstates 70 and 470. The western boundary is Missouri Highway 291.\nAdair County Attainment/Unclassifiable.\nAndrew County Attainment/Unclassifiable.\nAtchison County Attainment/Unclassifiable.\nAudrain County Attainment/Unclassifiable.\nBarry County Attainment/Unclassifiable.\nBarton County Attainment/Unclassifiable.\nBates County Attainment/Unclassifiable.\nBenton County Attainment/Unclassifiable.\nBollinger County Attainment/Unclassifiable.\nBoone County Attainment/Unclassifiable.\nBuchanan County Attainment/Unclassifiable.\nButler County Attainment/Unclassifiable.\nCaldwell County Attainment/Unclassifiable.\nCallaway County Attainment/Unclassifiable.\nCamden County Attainment/Unclassifiable.\nCape Girardeau County Attainment/Unclassifiable.\nCarroll County Attainment/Unclassifiable.\nCarter County Attainment/Unclassifiable.\nCass County Attainment/Unclassifiable.\nCedar County Attainment/Unclassifiable.\nChariton County Attainment/Unclassifiable.\nChristian County Attainment/Unclassifiable.\nClark County Attainment/Unclassifiable.\nClay County Attainment/Unclassifiable.\nClinton County Attainment/Unclassifiable.\nCole County Attainment/Unclassifiable.\nCooper County Attainment/Unclassifiable.\nCrawford County Attainment/Unclassifiable.\nDade County Attainment/Unclassifiable.\nDallas County Attainment/Unclassifiable.\nDaviess County Attainment/Unclassifiable.\nDeKalb County Attainment/Unclassifiable.\nDent County Attainment/Unclassifiable.\nDouglas County Attainment/Unclassifiable.\nDunklin County Attainment/Unclassifiable.\nFranklin County (part) (remainder) Attainment/Unclassifiable.\nGasconade County Attainment/Unclassifiable.\nGentry County Attainment/Unclassifiable.\nGreene County Attainment/Unclassifiable.\nGrundy County Attainment/Unclassifiable.\nHarrison County Attainment/Unclassifiable.\nHenry County Attainment/Unclassifiable.\nHickory County Attainment/Unclassifiable.\nHolt County Attainment/Unclassifiable.\nHoward County Attainment/Unclassifiable.\nHowell County Attainment/Unclassifiable.\nIron County 4/30/2021 Attainment/Unclassifiable.\nJackson County (part) (remainder) Attainment/Unclassifiable.\nJasper County Attainment/Unclassifiable.\nJefferson County (part) (remainder) Attainment/Unclassifiable.\nJohnson County Attainment/Unclassifiable.\nKnox County Attainment/Unclassifiable.\nLaclede County Attainment/Unclassifiable.\nLafayette County Attainment/Unclassifiable.\nLawrence County Attainment/Unclassifiable.\nLewis County Attainment/Unclassifiable.\nLincoln County Attainment/Unclassifiable.\nLinn County Attainment/Unclassifiable.\nLivingston County Attainment/Unclassifiable.\nMacon County Attainment/Unclassifiable.\nMadison County Attainment/Unclassifiable.\nMaries County Attainment/Unclassifiable.\nMarion County Attainment/Unclassifiable.\nMcDonald County Attainment/Unclassifiable.\nMercer County Attainment/Unclassifiable.\nMiller County Attainment/Unclassifiable.\nMississippi County Attainment/Unclassifiable.\nMoniteau County Attainment/Unclassifiable.\nMonroe County Attainment/Unclassifiable.\nMontgomery County Attainment/Unclassifiable.\nMorgan County Attainment/Unclassifiable.\nNew Madrid County (remainder) 4/30/2021 Attainment/Unclassifiable.\nNewton County Attainment/Unclassifiable.\nNodaway County Attainment/Unclassifiable.\nOregon County Attainment/Unclassifiable.\nOsage County Attainment/Unclassifiable.\nOzark County Attainment/Unclassifiable.\nPemiscot County Attainment/Unclassifiable.\nPerry County Attainment/Unclassifiable.\nPettis County Attainment/Unclassifiable.\nPhelps County Attainment/Unclassifiable.\nPike County Attainment/Unclassifiable.\nPlatte County Attainment/Unclassifiable.\nPolk County Attainment/Unclassifiable.\nPulaski County Attainment/Unclassifiable.\nPutnam County Attainment/Unclassifiable.\nRalls County Attainment/Unclassifiable.\nRandolph County Attainment/Unclassifiable.\nRay County Attainment/Unclassifiable.\nReynolds County Attainment/Unclassifiable.\nRipley County Attainment/Unclassifiable.\nSt. Charles County (part) (remainder) Attainment/Unclassifiable.\nSt. Clair County Attainment/Unclassifiable.\nSt. Francois County Attainment/Unclassifiable.\nSte. Genevieve County Attainment/Unclassifiable.\nSt. Louis City Attainment/Unclassifiable.\nSt. Louis County Attainment/Unclassifiable.\nSaline County Attainment/Unclassifiable.\nSchuyler County Attainment/Unclassifiable.\nScotland County Attainment/Unclassifiable.\nScott County 9/12/2016 Attainment/Unclassifiable.\nShannon County Attainment/Unclassifiable.\nShelby County Attainment/Unclassifiable.\nStoddard County Attainment/Unclassifiable.\nStone County Attainment/Unclassifiable.\nSullivan County Attainment/Unclassifiable.\nTaney County Attainment/Unclassifiable.\nTexas County Attainment/Unclassifiable.\nVernon County Attainment/Unclassifiable.\nWarren County Attainment/Unclassifiable.\nWashington County Attainment/Unclassifiable.\nWayne County Attainment/Unclassifiable.\nWebster County Attainment/Unclassifiable.\nWorth County Attainment/Unclassifiable.\nWright County Attainment/Unclassifiable.\n1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.\n2 This date is April 9, 2018, unless otherwise noted.\nMissouri—Carbon Monoxide\nDesignated Area Designation Classification\nDate 1 Type Date 1 Type\nSt. Louis Area:\nSt. Louis City Attainment\nSt. Louis County (part):\nThe area encompassed by the I-270 and the, Mississippi River. Attainment\nAQCR 137 Northern Missouri Intrastate:\nPike County Unclassifiable/Attainment\nRalls County Unclassifiable/Attainment\nAQCR 137 Northern Missouri Intrastate (Remainder of) Unclassifiable/Attainment\nAdair County\nAndrew County\nAtchison County\nAudrain County\nBoone County\nCaldwell County\nCallaway County\nCarroll County\nChariton County\nClark County\nClinton County\nCole County\nCooper County\nDaviess County\nDe Kalb County\nGentry County\nGrundy County\nHarrison County\nHolt County\nHoward County\nKnox County\nLewis County\nLincoln County\nLinn County\nLivingston County\nMacon County\nMarion County\nMercer County\nMoniteau County\nMonroe County\nMontgomery County\nNodaway County\nOsage County\nPutnam County\nRandolph County\nSaline County\nSchuyler County\nScotland County\nShelby County\nSullivan County\nWarren County\nWorth County\nRest of State Unclassifiable/Attainment\nBarry County\nBarton County\nBates County\nBenton County\nBollinger County\nBuchanan County\nButler County\nCamden County\nCape Girardeau County\nCarter County\nCass County\nCedar County\nChristina County\nClay County\nCrawford County\nDade County\nDallas County\nDent County\nDouglas County\nDunklin County\nFranklin County\nGasconade County\nGreene County\nHenry County\nHickory County\nHowell County\nIron County\nJackson County\nJasper County\nJefferson County\nJohnson County\nLaclede County\nLafayette County\nLawrence County\nMadison County\nMaries County\nMcDonald County\nMiller County\nMississippi County\nMorgan County\nNew Madrid County\nNewton County\nOregon County\nOzark County\nPemiscot County\nPerry County\nPettis County\nPhelps County\nPlatte County\nPolk County\nPulaski County\nRay County\nReynolds County\nRipley County\nScott County\nShannon County\nSt. Charles County\nSt. Clair County\nSt. Francis County\nSt. Louis County (part) Remainder of County\nSte. Geevieve County\nStoddard County\nStone County\nTaney County\nTexas County\nVernon County\nWashington County\nWayne County\nWebster County\nWright County\n1 This date is November 15, 1990, unless otherwise noted.\nMissouri—Ozone (1-Hour Standard)2\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nKansas City Area:\nClay County 7/23/1992 Unclassifiable/Attainment\nJackson County 7/23/1992 Unclassifiable/Attainment\nPlatte County 7/23/1992 Unclassifiable/Attainment\nSt. Louis Area:\nFranklin County 5/12/2003 Attainment\nJefferson County 5/12/2003 Attainment\nSt. Charles County 5/12/2003 Attainment\nSt. Louis 5/12/2003 Attainment\nSt. Louis County 5/12/2003 Attainment\nAQCR 094 Metro Kansas City Interstate (Remainder of)\nBuchanan County\nCass County\nRay County\nAQCR 137 N. Missouri Intrastate (part)\nPike County Unclassifiable/Attainment\nRalls County Unclassifiable/Attainment\nAQCR 137 N. Missouri Intrastate (Remainder of) Unclassifiable/Attainment\nAdair County\nAndrew County\nAtchison County\nAudrain County\nBoone County\nCaldwell County\nCallaway County\nCarroll County\nChariton County\nClark County\nClinton County\nCole County\nCooper County\nDaviess County\nDeKalb County\nGentry County\nGrundy County\nHarrison County\nHolt County\nHoward County\nKnox County\nLewis County\nLincoln County\nLinn County\nLivingston County\nMacon County\nMarion County\nMercer County\nMoniteau County\nMonroe County\nMontgomery County\nNodaway County\nOsage County\nPutnam County\nRandolph County\nSaline County\nSchuyler County\nScotland County\nShelby County\nSullivan County\nWarren County\nWorth County\nRest of State Unclassifiable/Attainment\nBarry County\nBarton County\nBates County\nBenton County\nBollinger County\nButler County\nCamden County\nCape Girardeau County\nCarter County\nCedar County\nChristian County\nCrawford County\nDade County\nDallas County\nDent County\nDouglas County\nDunklin County\nGasconade County\nGreene County\nHenry County\nHickory County\nHowell County\nIron County\nJasper County\nJohnson County\nLaclede County\nLafayette County\nLawrence County\nMadison County\nMaries County\nMcDonald County\nMiller County\nMississippi County\nMorgan County\nNew Madrid County\nNewton County\nOregon County\nOzark County\nPemiscot County\nPerry County\nPettis County\nPhelps County\nPolk County\nPulaski County\nReynolds County\nRipley County\nScott County\nShannon County\nSt. Clair County\nSt. Francois County\nSte. Genevieve County\nStoddard County\nStone County\nTaney County\nTexas County\nVernon County\nWashington County\nWayne County\nWebster County\nWright County\n1 This date is October 18, 2000, unless otherwise noted.\n2 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Missouri. The Kansas City and St. Louis areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.\nMissouri—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nSt. Louis, MO-IL:\nFranklin County 8/3/2018 Attainment\nJefferson County 8/3/2018 Attainment\nSt. Charles County 8/3/2018 Attainment\nSt. Louis County 8/3/2018 Attainment\nSt. Louis City 8/3/2018 Attainment\nRest of State:\nAdair County Unclassifiable/Attainment.\nAndrew County Unclassifiable/Attainment.\nAtchison County Unclassifiable/Attainment.\nAudrain County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBarton County Unclassifiable/Attainment.\nBates County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBollinger County Unclassifiable/Attainment.\nBoone County Unclassifiable/Attainment.\nBuchanan County Unclassifiable/Attainment.\nButler County Unclassifiable/Attainment.\nCaldwell County Unclassifiable/Attainment.\nCallaway County Unclassifiable/Attainment.\nCamden County Unclassifiable/Attainment.\nCape Girardeau County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCedar County Unclassifiable/Attainment.\nChariton County Unclassifiable/Attainment.\nChristian County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCole County Unclassifiable/Attainment.\nCooper County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDade County Unclassifiable/Attainment.\nDallas County Unclassifiable/Attainment.\nDaviess County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDent County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunklin County Unclassifiable/Attainment.\nGasconade County Unclassifiable/Attainment.\nGentry County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHarrison County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickory County Unclassifiable/Attainment.\nHolt County Unclassifiable/Attainment.\nHoward County Unclassifiable/Attainment.\nHowell County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJasper County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nKnox County Unclassifiable/Attainment.\nLaclede County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nLinn County Unclassifiable/Attainment.\nLivingston County Unclassifiable/Attainment.\nMcDonald County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMaries County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMercer County Unclassifiable/Attainment.\nMiller County Unclassifiable/Attainment.\nMississippi County Unclassifiable/Attainment.\nMoniteau County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nNew Madrid County Unclassifiable/Attainment.\nNewton County Unclassifiable/Attainment.\nOregon County Unclassifiable/Attainment.\nOsage County Unclassifiable/Attainment.\nOzark County Unclassifiable/Attainment.\nPemiscot County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPettis County Unclassifiable/Attainment.\nPhelps County Unclassifiable/Attainment.\nPike County Unclassifiable/Attainment.\nPlatte County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPulaski County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRalls County Unclassifiable/Attainment.\nRandolph County Unclassifiable/Attainment.\nRay County Unclassifiable/Attainment.\nReynolds County Unclassifiable/Attainment.\nRipley County Unclassifiable/Attainment.\nSt. Clair County Unclassifiable/Attainment.\nSt. Genevieve County Unclassifiable/Attainment.\nSt. Francois County Unclassifiable/Attainment.\nSaline County Unclassifiable/Attainment.\nSchuyler County Unclassifiable/Attainment.\nScotland County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nShannon County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nStoddard County Unclassifiable/Attainment.\nStone County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nTaney County Unclassifiable/Attainment.\nTexas County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWebster County Unclassifiable/Attainment.\nWorth County Unclassifiable/Attainment.\nWright County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\n2 This date is July 2, 2014, unless otherwise noted.\nMissouri—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nSt. Louis Area, MO-IL:\nFranklin County 7/29/2019, 84 FR 36473 Unclassifiable/Attainment\nJefferson County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant\nSt. Charles County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant\nSt. Louis County 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant\nSt. Louis City 7/29/2019, 84 FR 36473 Unclassifiable/Attainmant\nRest of State:\nAdair County Unclassifiable/Attainment\nAndrew County Unclassifiable/Attainment\nAtchison County Unclassifiable/Attainment\nAudrain County Unclassifiable/Attainment\nBarry County Unclassifiable/Attainment\nBarton County Unclassifiable/Attainment\nBates County Unclassifiable/Attainment\nBenton County Unclassifiable/Attainment\nBollinger County Unclassifiable/Attainment\nBoone County Unclassifiable/Attainment\nBuchanan County Unclassifiable/Attainment\nButler County Unclassifiable/Attainment\nCaldwell County Unclassifiable/Attainment\nCallaway County Unclassifiable/Attainment\nCamden County Unclassifiable/Attainment\nCape Girardeau County Unclassifiable/Attainment\nCarroll County Unclassifiable/Attainment\nCarter County Unclassifiable/Attainment\nCass County Unclassifiable/Attainment\nCedar County Unclassifiable/Attainment\nChariton County Unclassifiable/Attainment\nChristian County Unclassifiable/Attainment\nClark County Unclassifiable/Attainment\nClay County Unclassifiable/Attainment\nClinton County Unclassifiable/Attainment\nCole County Unclassifiable/Attainment\nCooper County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDade County Unclassifiable/Attainment\nDallas County Unclassifiable/Attainment\nDaviess County Unclassifiable/Attainment\nDeKalb County Unclassifiable/Attainment\nDent County Unclassifiable/Attainment\nDouglas County Unclassifiable/Attainment\nDunklin County Unclassifiable/Attainment\nGasconade County Unclassifiable/Attainment\nGentry County Unclassifiable/Attainment\nGreene County Unclassifiable/Attainment\nGrundy County Unclassifiable/Attainment\nHarrison County Unclassifiable/Attainment\nHenry County Unclassifiable/Attainment\nHickory County Unclassifiable/Attainment\nHolt County Unclassifiable/Attainment\nHoward County Unclassifiable/Attainment\nHowell County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJasper County Unclassifiable/Attainment\nJohnson County Unclassifiable/Attainment\nKnox County Unclassifiable/Attainment\nLaclede County Unclassifiable/Attainment\nLafayette County Unclassifiable/Attainment\nLawrence County Unclassifiable/Attainment\nLewis County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nLinn County Unclassifiable/Attainment\nLivingston County Unclassifiable/Attainment\nMcDonald County Unclassifiable/Attainment\nMacon County Unclassifiable/Attainment\nMadison County Unclassifiable/Attainment\nMaries County Unclassifiable/Attainment\nMarion County Unclassifiable/Attainment\nMercer County Unclassifiable/Attainment\nMiller County Unclassifiable/Attainment\nMississippi County Unclassifiable/Attainment\nMoniteau County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nMontgomery County Unclassifiable/Attainment\nMorgan County Unclassifiable/Attainment\nNew Madrid County Unclassifiable/Attainment\nNewton County Unclassifiable/Attainment\nNodaway County Unclassifiable/Attainment\nOregon County Unclassifiable/Attainment\nOsage County Unclassifiable/Attainment\nOzark County Unclassifiable/Attainment\nPemiscot County Unclassifiable/Attainment\nPerry County Unclassifiable/Attainment\nPettis County Unclassifiable/Attainment\nPhelps County Unclassifiable/Attainment\nPike County Unclassifiable/Attainment\nPlatte County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPulaski County Unclassifiable/Attainment\nPutnam County Unclassifiable/Attainment\nRalls County Unclassifiable/Attainment\nRandolph County Unclassifiable/Attainment\nRay County Unclassifiable/Attainment\nReynolds County Unclassifiable/Attainment\nRipley County Unclassifiable/Attainment\nSt Clair County Unclassifiable/Attainment\nSt Genevieve County Unclassifiable/Attainment\nSt Francois County Unclassifiable/Attainment\nSaline County Unclassifiable/Attainment\nSchuyler County Unclassifiable/Attainment\nScotland County Unclassifiable/Attainment\nScott County Unclassifiable/Attainment\nShannon County Unclassifiable/Attainment\nShelby County Unclassifiable/Attainment\nStoddard County Unclassifiable/Attainment\nStone County Unclassifiable/Attainment\nSullivan County Unclassifiable/Attainment\nTaney County Unclassifiable/Attainment\nTexas County Unclassifiable/Attainment\nVernon County Unclassifiable/Attainment\nWarren County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWayne County Unclassifiable/Attainment\nWebster County Unclassifiable/Attainment\nWorth County Unclassifiable/Attainment\nWright County Unclassifiable/Attainment\n1 Includes areas of Indian country located in each county or area, except as otherwise specified.\n2 This date is April 15, 2015, unless otherwise noted.\nMissouri—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nAdair County Unclassifiable/Attainment.\nAndrew County Unclassifiable/Attainment.\nAtchison County Unclassifiable/Attainment.\nAudrain County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBarton County Unclassifiable/Attainment.\nBates County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBollinger County Unclassifiable/Attainment.\nBoone County Unclassifiable/Attainment.\nBuchanan County Unclassifiable/Attainment.\nButler County Unclassifiable/Attainment.\nCaldwell County Unclassifiable/Attainment.\nCallaway County Unclassifiable/Attainment.\nCamden County Unclassifiable/Attainment.\nCape Girardeau County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCedar County Unclassifiable/Attainment.\nChariton County Unclassifiable/Attainment.\nChristian County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCole County Unclassifiable/Attainment.\nCooper County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDade County Unclassifiable/Attainment.\nDallas County Unclassifiable/Attainment.\nDaviess County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDent County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunklin County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGasconade County Unclassifiable/Attainment.\nGentry County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHarrison County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickory County Unclassifiable/Attainment.\nHolt County Unclassifiable/Attainment.\nHoward County Unclassifiable/Attainment.\nHowell County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJasper County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nKnox County Unclassifiable/Attainment.\nLaclede County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nLinn County Unclassifiable/Attainment.\nLivingston County Unclassifiable/Attainment.\nMcDonald County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMaries County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMercer County Unclassifiable/Attainment.\nMiller County Unclassifiable/Attainment.\nMississippi County Unclassifiable/Attainment.\nMoniteau County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nNew Madrid County Unclassifiable/Attainment.\nNewton County Unclassifiable/Attainment.\nNodaway County Unclassifiable/Attainment.\nOregon County Unclassifiable/Attainment.\nOsage County Unclassifiable/Attainment.\nOzark County Unclassifiable/Attainment.\nPemiscot County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPettis County Unclassifiable/Attainment.\nPhelps County Unclassifiable/Attainment.\nPike County Unclassifiable/Attainment.\nPlatte County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPulaski County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRalls County Unclassifiable/Attainment.\nRandolph County Unclassifiable/Attainment.\nRay County Unclassifiable/Attainment.\nReynolds County Unclassifiable/Attainment.\nRipley County Unclassifiable/Attainment.\nSt Charles County Unclassifiable/Attainment.\nSt Clair County Unclassifiable/Attainment.\nSt Genevieve County Unclassifiable/Attainment.\nSt Francois County Unclassifiable/Attainment.\nSt Louis City Unclassifiable/Attainment.\nSt Louis County Unclassifiable/Attainment.\nSaline County Unclassifiable/Attainment.\nSchuyler County Unclassifiable/Attainment.\nScotland County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nShannon County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nStoddard County Unclassifiable/Attainment.\nStone County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nTaney County Unclassifiable/Attainment.\nTexas County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWebster County Unclassifiable/Attainment.\nWorth County Unclassifiable/Attainment.\nWright County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\nMissouri—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate1 Type Date Type\nStatewide:\nAdair County Unclassifiable/Attainment.\nAndrew County Unclassifiable/Attainment.\nAtchison County Unclassifiable/Attainment.\nAudrain County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBarton County Unclassifiable/Attainment.\nBates County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBollinger County Unclassifiable/Attainment.\nBoone County Unclassifiable/Attainment.\nBuchanan County Unclassifiable/Attainment.\nButler County Unclassifiable/Attainment.\nCaldwell County Unclassifiable/Attainment.\nCallaway County Unclassifiable/Attainment.\nCamden County Unclassifiable/Attainment.\nCape Girardeau County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCedar County Unclassifiable/Attainment.\nChariton County Unclassifiable/Attainment.\nChristian County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCole County Unclassifiable/Attainment.\nCooper County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDade County Unclassifiable/Attainment.\nDallas County Unclassifiable/Attainment.\nDaviess County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDent County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunklin County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGasconade County Unclassifiable/Attainment.\nGentry County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHarrison County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickory County Unclassifiable/Attainment.\nHolt County Unclassifiable/Attainment.\nHoward County Unclassifiable/Attainment.\nHowell County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJasper County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nKnox County Unclassifiable/Attainment.\nLaclede County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nLinn County Unclassifiable/Attainment.\nLivingston County Unclassifiable/Attainment.\nMcDonald County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMaries County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMercer County Unclassifiable/Attainment.\nMiller County Unclassifiable/Attainment.\nMississippi County Unclassifiable/Attainment.\nMoniteau County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nNew Madrid County Unclassifiable/Attainment.\nNewton County Unclassifiable/Attainment.\nNodaway County Unclassifiable/Attainment.\nOregon County Unclassifiable/Attainment.\nOsage County Unclassifiable/Attainment.\nOzark County Unclassifiable/Attainment.\nPemiscot County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPettis County Unclassifiable/Attainment.\nPhelps County Unclassifiable/Attainment.\nPike County Unclassifiable/Attainment.\nPlatte County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPulaski County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRalls County Unclassifiable/Attainment.\nRandolph County Unclassifiable/Attainment.\nRay County Unclassifiable/Attainment.\nReynolds County Unclassifiable/Attainment.\nRipley County Unclassifiable/Attainment.\nSt Charles County Unclassifiable/Attainment.\nSt Clair County Unclassifiable/Attainment.\nSt Genevieve County Unclassifiable/Attainment.\nSt Francois County Unclassifiable/Attainment.\nSt Louis City Unclassifiable/Attainment.\nSt Louis County Unclassifiable/Attainment.\nSaline County Unclassifiable/Attainment.\nSchuyler County Unclassifiable/Attainment.\nScotland County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nShannon County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nStoddard County Unclassifiable/Attainment.\nStone County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nTaney County Unclassifiable/Attainment.\nTexas County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWebster County Unclassifiable/Attainment.\nWorth County Unclassifiable/Attainment.\nWright County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 30 days after November 13, 2009, unless otherwise noted.\nMissouri—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nNorthern AQCR (137):\nPike County X\nRalls County X\nRemainder of AQCR X\nRemainder of State X\nMissouri—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nAdair County Unclassifiable/Attainment.\nAndrew County Unclassifiable/Attainment.\nAtchison County Unclassifiable/Attainment.\nAudrain County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBarton County Unclassifiable/Attainment.\nBates County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBollinger County Unclassifiable/Attainment.\nBoone County Unclassifiable/Attainment.\nBuchanan County Unclassifiable/Attainment.\nButler County Unclassifiable/Attainment.\nCaldwell County Unclassifiable/Attainment.\nCallaway County Unclassifiable/Attainment.\nCamden County Unclassifiable/Attainment.\nCape Girardeau County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCedar County Unclassifiable/Attainment.\nChariton County Unclassifiable/Attainment.\nChristian County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCole County Unclassifiable/Attainment.\nCooper County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDade County Unclassifiable/Attainment.\nDallas County Unclassifiable/Attainment.\nDaviess County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDent County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunklin County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGasconade County Unclassifiable/Attainment.\nGentry County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHarrison County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickory County Unclassifiable/Attainment.\nHolt County Unclassifiable/Attainment.\nHoward County Unclassifiable/Attainment.\nHowell County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJasper County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nKnox County Unclassifiable/Attainment.\nLaclede County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nLinn County Unclassifiable/Attainment.\nLivingston County Unclassifiable/Attainment.\nMcDonald County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMaries County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMercer County Unclassifiable/Attainment.\nMiller County Unclassifiable/Attainment.\nMississippi County Unclassifiable/Attainment.\nMoniteau County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nNew Madrid County Unclassifiable/Attainment.\nNewton County Unclassifiable/Attainment.\nNodaway County Unclassifiable/Attainment.\nOregon County Unclassifiable/Attainment.\nOsage County Unclassifiable/Attainment.\nOzark County Unclassifiable/Attainment.\nPemiscot County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPettis County Unclassifiable/Attainment.\nPhelps County Unclassifiable/Attainment.\nPike County Unclassifiable/Attainment.\nPlatte County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPulaski County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRalls County Unclassifiable/Attainment.\nRandolph County Unclassifiable/Attainment.\nRay County Unclassifiable/Attainment.\nReynolds County Unclassifiable/Attainment.\nRipley County Unclassifiable/Attainment.\nSt. Charles County Unclassifiable/Attainment.\nSt. Clair County Unclassifiable/Attainment.\nSt. Genevieve County Unclassifiable/Attainment.\nSt. Francois County Unclassifiable/Attainment.\nSt. Louis County Unclassifiable/Attainment.\nSt. Louis City Unclassifiable/Attainment.\nSaline County Unclassifiable/Attainment.\nSchuyler County Unclassifiable/Attainment.\nScotland County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nShannon County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nStoddard County Unclassifiable/Attainment.\nStone County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nTaney County Unclassifiable/Attainment.\nTexas County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWebster County Unclassifiable/Attainment.\nWorth County Unclassifiable/Attainment.\nWright County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after October 31, 2011, unless otherwise noted.\nMissouri—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nKansas City, MO-KS:\nCass County 5/3/2005 Attainment.\nClay County 5/3/2005 Attainment.\nJackson County 5/3/2005 Attainment.\nPlatte County 5/3/2005 Attainment.\nSt. Louis, MO-IL\nFranklin County 2/20/2015 Attainment\nJefferson County 2/20/2015 Attainment\nSt. Charles County 2/20/2015 Attainment\nSt. Louis City 2/20/2015 Attainment\nSt. Louis County 2/20/2015 Attainment\nAQCR 094 Metro Kansas City Interstate Unclassifiable/Attainment.\nBuchanan County\nRay County\nAQCR 137 N. Missouri Intrastate (part)\nPike County Unclassifiable/Attainment.\nRalls County Unclassifiable/Attainment.\nAQCR 137 N. Missouri Intrastate (remainder of)Unclassifiable/Attainment.\nAdair County\nAndrew County\nAtchison County\nAudrain County\nBoone County\nCaldwell County\nCallaway County\nCarroll County\nChariton County\nClark County\nClinton County\nCole County\nCooper County\nDaviess County\nDeKalb County\nGentry County\nGrundy County\nHarrison County\nHolt County\nHoward County\nKnox County\nLewis County\nLincoln County\nLinn County\nLivingston County\nMacon County\nMarion County\nMercer County\nMoniteau County\nMonroe County\nMontgomery County\nNodaway County\nOsage County\nPutnam County\nRandolph County\nSaline County\nSchuyler County\nScotland County\nShelby County\nSullivan County\nWarren County\nWorth County\nRest of State: Unclassifiable/Attainment\nBarry County\nBarton County\nBates County\nBenton County\nBollinger County\nButler County\nCamden County\nCape Girardeau County\nCarter County\nCedar County\nChristian County\nCrawford County\nDade County\nDallas County\nDent County\nDouglas County\nDunklin County\nGasconade County\nGreene County\nHenry County\nHickory County\nHowell County\nIron County\nJasper County\nJohnson County\nLaclede County\nLafayette County\nLawrence County\nMadison County\nMaries County\nMcDonald County\nMiller County\nMississippi County\nMorgan County\nNew Madrid County\nNewton County\nOregon County\nOzark County\nPemiscot County\nPerry County\nPettis County\nPhelps County\nPolk County\nPulaski County\nReynolds County\nRipley County\nSt. Clair County\nSt. Francois County\nSte. Genevieve County\nScott County\nShannon County\nStoddard County\nStone County\nTaney County\nTexas County\nVernon County\nWashington County\nWayne County\nWebster County\nWright County\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is June 15, 2004, unless otherwise noted.\nMissouri—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nSt. Louis-St. Charles-Farmington, MO-IL 2:\nFranklin County 9/20/2018 Attainment\nJefferson County 9/20/2018 Attainment\nSt. Charles County 9/20/2018 Attainment\nSt. Louis County 9/20/2018 Attainment\nSt. Louis City 9/20/2018 Attainment\nRest of State: 3 Unclassifiable/Attainment\nAdair County\nAndrew County\nAtchison County\nAudrain County\nBarry County\nBarton County\nBates County\nBenton County\nBollinger County\nBoone County\nBuchanan County\nButler County\nCaldwell County\nCallaway County\nCamden County\nCape Girardeau County\nCarter County\nCass County\nCedar County\nChariton County\nChristian County\nClark County\nClay County\nClinton County\nCole County\nCooper County\nCrawford County\nDade County\nDallas County\nDaviess County\nDeKalb County\nDent County\nDouglas County\nDunklin County\nGasconade County\nGentry County\nGreene County\nGrundy County\nHarrison County\nHenry County\nHickory County\nHolt County\nHoward County\nHowell County\nIron County\nJackson County\nJasper County\nJohnson County\nKnox County\nLaclede County\nLafayette County\nLawrence County\nLewis County\nLincoln County\nLinn County\nLivingston County\nMcDonald County\nMacon County\nMadison County\nMaries County\nMarion County\nMercer County\nMiller County\nMississippi County\nMoniteau County\nMonroe County\nMontgomery County\nMorgan County\nNew Madrid County\nNewton County\nNodaway County\nOregon County\nOsage County\nOzark County\nPemiscot County\nPerry County\nPettis County\nPhelps County\nPike County\nPlatte County\nPolk County\nPulaski County\nPutnam County\nRalls County\nRandolph County\nRay County\nReynolds County\nRipley County\nSt. Clair County\nSt. Genevieve County\nSt. Francois County\nSaline County\nSchuyler County\nScotland County\nScott County\nShannon County\nShelby County\nStoddard County\nStone County\nSullivan County\nTaney County\nTexas County\nVernon County\nWarren County\nWashington County\nWayne County\nWebster County\nWorth County\nWright County\n1 This date is July 20, 2012, unless otherwise noted.\n2 Excludes Indian country located in each area, unless otherwise noted.\n3 Includes any Indian country in each county or area, unless otherwise specified.\n4 Attainment date is extended to July 20, 2016.\nMissouri—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nSt. Louis, MO-IL: Nonattainment 12/31/2024 Serious.\nFranklin County (part).\nBoles Township:\nJefferson County July 14, 2021 3\nSt. Charles County.\nSt. Louis County.\nCity of St. Louis.\nAdair County 1/16/2018 Attainment/Unclassifiable\nAndrew County 1/16/2018 Attainment/Unclassifiable\nAtchison County 1/16/2018 Attainment/Unclassifiable\nAudrain County 1/16/2018 Attainment/Unclassifiable\nBarry County 1/16/2018 Attainment/Unclassifiable\nBarton County 1/16/2018 Attainment/Unclassifiable\nBates County 1/16/2018 Attainment/Unclassifiable\nBenton County 1/16/2018 Attainment/Unclassifiable\nBollinger County 1/16/2018 Attainment/Unclassifiable\nBoone County 1/16/2018 Attainment/Unclassifiable\nBuchanan County 1/16/2018 Attainment/Unclassifiable\nButler County 1/16/2018 Attainment/Unclassifiable\nCaldwell County 1/16/2018 Attainment/Unclassifiable\nCallaway County 1/16/2018 Attainment/Unclassifiable\nCamden County 1/16/2018 Attainment/Unclassifiable\nCape Girardeau County 1/16/2018 Attainment/Unclassifiable\nCarroll County 1/16/2018 Attainment/Unclassifiable\nCarter County 1/16/2018 Attainment/Unclassifiable\nCass County 1/16/2018 Attainment/Unclassifiable\nCedar County 1/16/2018 Attainment/Unclassifiable\nChariton County 1/16/2018 Attainment/Unclassifiable\nChristian County 1/16/2018 Attainment/Unclassifiable\nClark County 1/16/2018 Attainment/Unclassifiable\nClay County 1/16/2018 Attainment/Unclassifiable\nClinton County 1/16/2018 Attainment/Unclassifiable\nCole County 1/16/2018 Attainment/Unclassifiable\nCooper County 1/16/2018 Attainment/Unclassifiable\nCrawford County 1/16/2018 Attainment/Unclassifiable\nDade County 1/16/2018 Attainment/Unclassifiable\nDallas County 1/16/2018 Attainment/Unclassifiable\nDaviess County 1/16/2018 Attainment/Unclassifiable\nDeKalb County 1/16/2018 Attainment/Unclassifiable\nDent County 1/16/2018 Attainment/Unclassifiable\nDouglas County 1/16/2018 Attainment/Unclassifiable\nDunklin County 1/16/2018 Attainment/Unclassifiable\nFranklin County (part) remainder Attainment/Unclassifiable\nGasconade County 1/16/2018 Attainment/Unclassifiable\nGentry County 1/16/2018 Attainment/Unclassifiable\nGreene County 1/16/2018 Attainment/Unclassifiable\nGrundy County 1/16/2018 Attainment/Unclassifiable\nHarrison County 1/16/2018 Attainment/Unclassifiable\nHenry County 1/16/2018 Attainment/Unclassifiable\nHickory County 1/16/2018 Attainment/Unclassifiable\nHolt County 1/16/2018 Attainment/Unclassifiable\nHoward County 1/16/2018 Attainment/Unclassifiable\nHowell County 1/16/2018 Attainment/Unclassifiable\nIron County 1/16/2018 Attainment/Unclassifiable\nJackson County 1/16/2018 Attainment/Unclassifiable\nJasper County 1/16/2018 Attainment/Unclassifiable\nJohnson County 1/16/2018 Attainment/Unclassifiable\nKnox County 1/16/2018 Attainment/Unclassifiable\nLaclede County 1/16/2018 Attainment/Unclassifiable\nLafayette County 1/16/2018 Attainment/Unclassifiable\nLawrence County 1/16/2018 Attainment/Unclassifiable\nLewis County 1/16/2018 Attainment/Unclassifiable\nLincoln County Attainment/Unclassifiable\nLinn County 1/16/2018 Attainment/Unclassifiable\nLivingston County 1/16/2018 Attainment/Unclassifiable\nMcDonald County 1/16/2018 Attainment/Unclassifiable\nMacon County 1/16/2018 Attainment/Unclassifiable\nMadison County 1/16/2018 Attainment/Unclassifiable\nMaries County 1/16/2018 Attainment/Unclassifiable\nMarion County 1/16/2018 Attainment/Unclassifiable\nMercer County 1/16/2018 Attainment/Unclassifiable\nMiller County 1/16/2018 Attainment/Unclassifiable\nMississippi County 1/16/2018 Attainment/Unclassifiable\nMoniteau County 1/16/2018 Attainment/Unclassifiable\nMonroe County 1/16/2018 Attainment/Unclassifiable\nMontgomery County 1/16/2018 Attainment/Unclassifiable\nMorgan County 1/16/2018 Attainment/Unclassifiable\nNew Madrid County 1/16/2018 Attainment/Unclassifiable\nNewton County 1/16/2018 Attainment/Unclassifiable\nNodaway County 1/16/2018 Attainment/Unclassifiable\nOregon County 1/16/2018 Attainment/Unclassifiable\nOsage County 1/16/2018 Attainment/Unclassifiable\nOzark County 1/16/2018 Attainment/Unclassifiable\nPemiscot County 1/16/2018 Attainment/Unclassifiable\nPerry County 1/16/2018 Attainment/Unclassifiable\nPettis County 1/16/2018 Attainment/Unclassifiable\nPhelps County 1/16/2018 Attainment/Unclassifiable\nPike County 1/16/2018 Attainment/Unclassifiable\nPlatte County 1/16/2018 Attainment/Unclassifiable\nPolk County 1/16/2018 Attainment/Unclassifiable\nPulaski County 1/16/2018 Attainment/Unclassifiable\nPutnam County 1/16/2018 Attainment/Unclassifiable\nRalls County 1/16/2018 Attainment/Unclassifiable\nRandolph County 1/16/2018 Attainment/Unclassifiable\nRay County 1/16/2018 Attainment/Unclassifiable\nReynolds County 1/16/2018 Attainment/Unclassifiable\nRipley County 1/16/2018 Attainment/Unclassifiable\nSt. Clair County 1/16/2018 Attainment/Unclassifiable\nSt. Francois County Attainment/Unclassifiable\nSte. Genevieve County 1/16/2018 Attainment/Unclassifiable\nSaline County 1/16/2018 Attainment/Unclassifiable\nSchuyler County 1/16/2018 Attainment/Unclassifiable\nScotland County 1/16/2018 Attainment/Unclassifiable\nScott County 1/16/2018 Attainment/Unclassifiable\nShannon County 1/16/2018 Attainment/Unclassifiable\nShelby County 1/16/2018 Attainment/Unclassifiable\nStoddard County 1/16/2018 Attainment/Unclassifiable\nStone County 1/16/2018 Attainment/Unclassifiable\nSullivan County 1/16/2018 Attainment/Unclassifiable\nTaney County 1/16/2018 Attainment/Unclassifiable\nTexas County 1/16/2018 Attainment/Unclassifiable\nVernon County 1/16/2018 Attainment/Unclassifiable\nWarren County Attainment/Unclassifiable\nWashington County 1/16/2018 Attainment/Unclassifiable\nWayne County 1/16/2018 Attainment/Unclassifiable\nWebster County 1/16/2018 Attainment/Unclassifiable\nWorth County 1/16/2018 Attainment/Unclassifiable\nWright County 1/16/2018 Attainment/Unclassifiable\n1 Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.\n2 This date is August 3, 2018, unless otherwise noted.\n3 EPA revised the nonattainment boundary in response to a court decision, which did not vacate any designations for the 2015 ozone NAAQS, but which remanded the designation for the identified county. Because this additional area is part of a previously designated nonattainment area, the implementation dates for the overall nonattainment area (e.g., the August 3, 2021 attainment date) remain unchanged regardless of this later designation date.\nMissouri—1978 Lead NAAQS\nDesignated area Designation Classification\nDate Type Date Type\nIron County (part)\nWithin boundaries of Dent Township 10/18/2000 Attainment\nIron County (part)\nWithin boundaries of Liberty and Arcadia Townships 10/29/2004 Attainment\nJefferson County (part)\nWithin city limits of Herculaneum 1/6/1992 Nonattainment\nDent County 1/6/1992 Unclassifiable\nHolt County 1/6/1992 Unclassifiable\nRest of State Not Designated.\nMissouri—2008 Lead NAAQS\nDesignated area Designation for the 2008 NAAQS a\nDate 1 Type\nIron, Dent, and Reynolds Counties, MO:\nDent County (part) 12/31/2010 Nonattainment.\nSections 4, 9, 16, 21, 28, 33 of T34N, R2W\nIron County (part) 12/31/2010 Nonattainment.\nSections 6-7, 18-19, 30-32 of T34N, R1W and Sections 1-3, 10-15, 22-27, 34-36 of T34N, R2W.\nReynolds County (part) 12/31/2010 Nonattainment.\nSections 5-7 of T33N, R1W and Sections 1-3, 10-12 of T33N, R2W.\nJefferson County, MO:\nJefferson County (part) 12/31/2010 Nonattainment.\nWithin city limits of Herculaneum.\nRest of State Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 December 31, 2011 unless otherwise noted.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES","Subpart C—Section 107 Attainment Status Designations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"ef6b3329095df329802a519dd26819de5e7a23ea33577d82b4c2eb6fa2877da3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.325","next":"us/40-cfr-81.327"},"notice":"GroundRules: Original legal text. Not legal advice."}