{"data":{"id":"us/40-cfr-81.343","jurisdiction":"us","citation":"40 CFR 81.343","heading":"Tennessee.","body":"Tennessee—TSP\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nAnderson County X\nBedford County X\nBenton County X\nBledsoe County X\nBlount County X\nBradley County X\nCampbell County X\nRest of Campbell County X\nCannon County X\nCarroll County X\nCarter County X\nCheatham County X\nChester County X\nClaiborne County X\nClay County X\nCocke County X\nCoffee County X\nCrockett County X\nCumberland County X\nThose portions of Davidson County within a section of downtown Nashville and in West Nashville X\nRest of Davidson County X\nDecatur County X\nDeKalb County X\nDickson County X\nDyer County X\nFayette County X\nFentress County X\nFranklin County X\nGibson County X\nGiles County X\nGrainger County X\nGreene County X\nGrundy County X\nHamblen County X\nThat portion of Hamilton County within approximately the city limits of Chattanooga X\nRest of Hamilton County X\nHancock County X\nHardeman County X\nHardin County X\nHawkins County X\nHaywood County X\nHenderson County X\nHenry County X\nHickman County X\nHouston County X\nHumphreys County X\nJackson County X\nJefferson County X\nJohnson County X\nThat portion of Knox County within a section of downtown Knoxville X\nRest of Knox County X\nLake County X\nLauderdale County X\nLawrence County X\nLewis County X\nLincoln County X\nLoudon County X\nMcMinn County X\nMcNairy County X\nMacon County X\nMadison County X\nMarion County X\nMarshall County X\nThat portion of Maury County within the northern section of Columbia X\nRest of Maury County X\nMeigs County X\nMonroe County X\nMontgomery County X\nMoore County X\nMorgan County X\nObion County X\nOverton County X\nPerry County X\nPickett County X\nPolk County X\nPutnam County X\nRhea County X\nRoane County X\nRobertson County X\nRutherford County X\nScott County X\nSequatchie County X\nSevier County X\nShelby County X\nSmith County X\nStewart County X\nSullivan County X\nSumner County X\nTipton County X\nTrousdale County X\nUnicoi County X\nUnion County X\nVan Buren County X\nWarren County X\nWashington County X\nWayne County X\nWeakley County X\nWhite County X\nWilson County X\nWilliamson County X\nTennessee—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\nAnderson County X\nBedford County X\nThat portion of Benton County surrounding TVA's Johnsonville plant X\nRest of Benton County X\nBledsoe County X\nBlount County X\nBradley County X\nCampbell County X\nCannon County X\nCarroll County X\nCarter County X\nCheatham County X\nChester County X\nClaiborne County X\nClay County X\nCocke County X\nCoffee County X\nCrockett County X\nCumberland County X\nDavidson County X\nDecatur County X\nDeKalb County X\nDickson County X\nDyer County X\nFayette County X\nFentress County X\nFranklin County X\nGibson County X\nGiles County X\nGrainger County X\nGreene County X\nGrundy County X\nHamblen County X\nHamilton County X\nHancock County X\nHardeman County X\nHardin County X\nHawkins County X\nHaywood County X\nHenderson County X\nHenry County X\nHickman County X\nHouston County X\nThat portion of Humphreys County surrounding TVA's Johnsonville plant X\nRest of Humphreys County X\nJackson County X\nJefferson County X\nJohnson County X\nKnox County X\nLake County X\nLauderdale County X\nLawrence County X\nLewis County X\nLincoln County X\nLoudon County X\nMcMinn County X\nMcNairy County X\nMacon County X\nMadison County X\nMarion County X\nMarshall County X\nMaury County X\nMeigs County X\nMonroe County X\nMontgomery County X\nMoore County X\nMorgan County X\nObion County X\nOverton County X\nPerry County X\nPickett County X\nPolk County X\nPutnam County X\nRhea County X\nRoane County X\nRobertson County X\nRutherford County X\nScott County X\nSequatchie County X\nSevier County X\nShelby County X\nSmith County X\nStewart County X\nSullivan County X\nSumner County X\nTipton County X\nTrousdale County X\nUnicoi County X\nUnion County X\nVan Buren County X\nWarren County X\nWashington County X\nWayne County X\nWeakley County X\nWhite County X\nWilliamson County X\nWilson County X\nTennessee—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area Designation\nDate 1 Type\nSullivan County, TN 2 10/4/2013 Nonattainment.\nSullivan County (part)\nThat portion of Sullivan County encompassing a circle having its center at the B-253 power house coordinates 36.5186 N; 82.5350 W and having a 3-kilometer radius\nSumner County, TN 2 06/24/2021 Attainment/Unclassifiable.\nSumner County\nRest of State: 3\nAnderson County Attainment/Unclassifiable.\nBedford County Attainment/Unclassifiable.\nBenton County Attainment/Unclassifiable.\nBledsoe County Attainment/Unclassifiable.\nBlount County Attainment/Unclassifiable.\nBradley County Attainment/Unclassifiable.\nCampbell County Attainment/Unclassifiable.\nCannon County Attainment/Unclassifiable.\nCarroll County Attainment/Unclassifiable.\nCarter County Attainment/Unclassifiable.\nCheatham County Attainment/Unclassifiable.\nChester County Attainment/Unclassifiable.\nClaiborne County Attainment/Unclassifiable.\nClay County Attainment/Unclassifiable.\nCocke County Attainment/Unclassifiable.\nCoffee County Attainment/Unclassifiable.\nCrockett County Attainment/Unclassifiable.\nCumberland County Attainment/Unclassifiable.\nDavidson County Attainment/Unclassifiable.\nDecatur County Attainment/Unclassifiable.\nDeKalb County Attainment/Unclassifiable.\nDickson County Attainment/Unclassifiable.\nDyer County Attainment/Unclassifiable.\nFayette County Attainment/Unclassifiable.\nFentress County Attainment/Unclassifiable.\nFranklin County Attainment/Unclassifiable.\nGibson County Attainment/Unclassifiable.\nGiles County Attainment/Unclassifiable.\nGrainger County Attainment/Unclassifiable.\nGreene County Attainment/Unclassifiable.\nGrundy County Attainment/Unclassifiable.\nHamblen County Attainment/Unclassifiable.\nHamilton County Attainment/Unclassifiable.\nHancock County Attainment/Unclassifiable.\nHardeman County Attainment/Unclassifiable.\nHardin County Attainment/Unclassifiable.\nHawkins County Attainment/Unclassifiable.\nHaywood County Attainment/Unclassifiable.\nHenderson County Attainment/Unclassifiable.\nHenry County Attainment/Unclassifiable.\nHickman County Attainment/Unclassifiable.\nHouston County Attainment/Unclassifiable.\nHumphreys County Attainment/Unclassifiable.\nJackson County Attainment/Unclassifiable.\nJefferson County Attainment/Unclassifiable.\nJohnson County Attainment/Unclassifiable.\nKnox County Attainment/Unclassifiable.\nLake County Attainment/Unclassifiable.\nLauderdale County Attainment/Unclassifiable.\nLawrence County Attainment/Unclassifiable.\nLewis County Attainment/Unclassifiable.\nLincoln County Attainment/Unclassifiable.\nLoudon County Attainment/Unclassifiable.\nMacon County Attainment/Unclassifiable.\nMadison County Attainment/Unclassifiable.\nMarion County Attainment/Unclassifiable.\nMarshall County Attainment/Unclassifiable.\nMaury County Attainment/Unclassifiable.\nMcMinn County Attainment/Unclassifiable.\nMcNairy County Attainment/Unclassifiable.\nMeigs County Attainment/Unclassifiable.\nMonroe County Attainment/Unclassifiable.\nMontgomery County Attainment/Unclassifiable.\nMoore County Attainment/Unclassifiable.\nMorgan County Attainment/Unclassifiable.\nObion County Attainment/Unclassifiable.\nOverton County Attainment/Unclassifiable.\nPerry County Attainment/Unclassifiable.\nPickett County Attainment/Unclassifiable.\nPolk County Attainment/Unclassifiable.\nPutnam County Attainment/Unclassifiable.\nRhea County Attainment/Unclassifiable.\nRoane County Attainment/Unclassifiable.\nRobertson County Attainment/Unclassifiable.\nRutherford County Attainment/Unclassifiable.\nScott County Attainment/Unclassifiable.\nSequatchie County Attainment/Unclassifiable.\nSevier County Attainment/Unclassifiable.\nShelby County Attainment/Unclassifiable.\nSmith County Attainment/Unclassifiable.\nStewart County Attainment/Unclassifiable.\nSullivan County (part) (remainder) Attainment/Unclassifiable.\nSumner County, TN 2 6/24/2021 Attainment/Unclassifiable.\nTipton County Attainment/Unclassifiable.\nTrousdale County Attainment/Unclassifiable.\nUnicoi County Attainment/Unclassifiable.\nUnion County Attainment/Unclassifiable.\nVan Buren County Attainment/Unclassifiable.\nWarren County Attainment/Unclassifiable.\nWashington County Attainment/Unclassifiable.\nWayne County Attainment/Unclassifiable.\nWeakley County Attainment/Unclassifiable.\nWhite County Attainment/Unclassifiable.\nWilliamson County Attainment/Unclassifiable.\nWilson County Attainment/Unclassifiable.\n1 This date is April 9, 2018, unless otherwise noted.\n2 Excludes Indian country located in each area, if any, unless otherwise specified.\n3 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.\nTennessee—Carbon Monoxide\nDesignated Area Designation Classification\nDate 1 Type Date 1 Type\nStatewide\nAnderson County Unclassifiable/Attainment\nBedford County\nBenton County\nBledsoe County\nBlount County\nBradley County\nCampbell County\nCannon County\nCarroll County\nCarter County\nCheatham County\nChester County\nClaiborne County\nClay County\nCocke County\nCoffee County\nCrockett County\nCumberland County\nDavidson County\nDe Kalb County\nDecatur County\nDickson County\nDyer County\nFayette County\nFentress County\nFranklin County\nGibson County\nGiles County\nGrainger County\nGreene County\nGrundy County\nHamblen County\nHamilton County\nHancock County\nHardeman County\nHardin County\nHawkins County\nHaywood County\nHenderson County\nHenry County\nHickman County\nHouston County\nHumphreys County\nJackson County\nJefferson County\nJohnson County\nKnox County\nLake County\nLauderdale County\nLawrence County\nLewis County\nLincoln County\nLoudon County\nMacon County\nMadison County\nMarion County\nMarshall County\nMaury County\nMcMinn County\nMcNairy County\nMeigs County\nMonroe County\nMontgomery County\nMoore County\nMorgan County\nObion County\nOverton County\nPerry County\nPickett County\nPolk County\nPutnam County\nRhea County\nRoane County\nRobertson County\nRutherford County\nScott County\nSequatchie County\nSevier County\nShelby County 9/26/1994\nSmith County\nStewart County\nSullivan County\nSumner County\nTipton County\nTrousdale County\nUnicoi County\nUnion County\nVan Buren County\nWarren County\nWashington County\nWayne County\nWeakley County\nWhite County\nWilliamson County\nWilson County\n1 This date is November 15, 1990, unless otherwise noted.\nTennessee—Ozone (1-Hour Standard)2\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nJefferson County Area:\nJefferson County 11/15/1990 Unclassifiable/Attainment 11/15/1990\nStatewide Unclassifiable/Attainment\nAnderson County\nBedford County\nBenton County\nBledsoe County\nBlount County\nBradley County\nCampbell County\nCannon County\nCarroll County\nCarter County\nCheatham County\nChester County\nClaiborne County\nClay County\nCocke County\nCoffee County\nCrockett County\nCumberland County\nDeKalb County\nDecatur County\nDickson County\nDavidson County\nDyer County\nFayette County\nFentress County\nFranklin County\nGibson County\nGiles County\nGrainger County\nGreene County\nGrundy County\nHamblen County\nHamilton County\nHancock County\nHardeman County\nHardin County\nHawkins County\nHaywood County\nHenderson County\nHenry County\nHickman County\nHouston County\nHumphreys County\nJackson County\nJohnson County\nKnox County\nLake County\nLauderdale County\nLawrence County\nLewis County\nLincoln County\nLoudon County\nMacon County\nMadison County\nMarion County\nMarshall County\nMaury County\nMcMinn County\nMcNairy County\nMeigs County\nMonroe County\nMontgomery County\nMoore County\nMorgan County\nObion County\nOverton County\nPerry County\nPickett County\nPolk County\nPutnam County\nRhea County\nRoane County\nRobertson County\nRutherford County\nScott County\nSequatchie County\nSevier County\nShelby County\nSmith County\nStewart County\nSullivan County\nSumner County\nTipton County\nTrousdale County\nUnicoi County\nUnion County\nVan Buren County\nWarren County\nWashington County\nWayne County\nWeakley County\nWhite County\nWilliamson County\nWilson 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 Tennessee except the Chattanooga, Johnson City-Kingsport-Bristol, and Nashville areas where it is revoked effective April 15, 2009.\nTennessee—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nChattanooga, TN-GA-AL:\nHamilton County 11/4/2015 Attainment\nKnoxville, TN 8/29/2017 Attainment\nAnderson County Attainment\nBlount County Attainment\nKnox County Attainment\nLoudon County Attainment\nRoane County (part) Attainment\nThe area described by U.S. Census 2000 block group identifier 47-145-0307-2.\nRest of State:\nBedford County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBledsoe County Unclassifiable/Attainment.\nBradley County Unclassifiable/Attainment.\nCampbell County Unclassifiable/Attainment.\nCannon County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCheatham County Unclassifiable/Attainment.\nChester County Unclassifiable/Attainment.\nClaiborne County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nCocke County Unclassifiable/Attainment.\nCoffee County Unclassifiable/Attainment.\nCrockett County Unclassifiable/Attainment.\nCumberland County Unclassifiable/Attainment.\nDavidson County Unclassifiable/Attainment.\nDecatur County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDickson County Unclassifiable/Attainment.\nDyer County Unclassifiable/Attainment.\nFayette County Unclassifiable/Attainment.\nFentress County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGibson County Unclassifiable/Attainment.\nGiles County Unclassifiable/Attainment.\nGrainger County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHamblen County Unclassifiable/Attainment.\nHancock County Unclassifiable/Attainment.\nHardeman County Unclassifiable/Attainment.\nHardin County Unclassifiable/Attainment.\nHawkins County Unclassifiable/Attainment.\nHaywood County Unclassifiable/Attainment.\nHenderson County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickman County Unclassifiable/Attainment.\nHouston County Unclassifiable/Attainment.\nHumphreys County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLauderdale County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nMcMinn County Unclassifiable/Attainment.\nMcNairy County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMarshall County Unclassifiable/Attainment.\nMaury County Unclassifiable/Attainment.\nMeigs County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMoore County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nObion County Unclassifiable/Attainment.\nOverton County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPickett County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRhea County Unclassifiable/Attainment.\nRoane County (remainder) Unclassifiable/Attainment.\nRobertson County Unclassifiable/Attainment.\nRutherford County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nSequatchie County Unclassifiable/Attainment.\nSevier County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nSmith County Unclassifiable/Attainment.\nStewart County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nSumner County Unclassifiable/Attainment.\nTipton County Unclassifiable/Attainment.\nTrousdale County Unclassifiable/Attainment.\nUnicoi County Unclassifiable/Attainment.\nUnion County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWeakley County Unclassifiable/Attainment.\nWhite County Unclassifiable/Attainment.\nWilliamson County Unclassifiable/Attainment.\nWilson 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.\nTennessee—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nAnderson County Unclassifiable/Attainment\nBedford County Unclassifiable/Attainment\nBenton County Unclassifiable/Attainment\nBledsoe County Unclassifiable/Attainment\nBlount County Unclassifiable/Attainment\nBradley County Unclassifiable/Attainment\nCampbell County Unclassifiable/Attainment\nCannon County Unclassifiable/Attainment\nCarroll County Unclassifiable/Attainment\nCarter County Unclassifiable/Attainment\nCheatham County Unclassifiable/Attainment\nChester County Unclassifiable/Attainment\nClaiborne County Unclassifiable/Attainment\nClay County Unclassifiable/Attainment\nCocke County Unclassifiable/Attainment\nCoffee County Unclassifiable/Attainment\nCrockett County Unclassifiable/Attainment\nCumberland County Unclassifiable/Attainment\nDavidson County Unclassifiable/Attainment\nDecatur County Unclassifiable/Attainment\nDeKalb County Unclassifiable/Attainment\nDickson County Unclassifiable/Attainment\nDyer County Unclassifiable/Attainment\nFayette County Unclassifiable/Attainment\nFentress County Unclassifiable/Attainment\nFranklin County Unclassifiable/Attainment\nGibson County Unclassifiable/Attainment\nGiles County Unclassifiable/Attainment\nGrainger County Unclassifiable/Attainment\nGreene County Unclassifiable/Attainment\nGrundy County Unclassifiable/Attainment\nHamblen County Unclassifiable/Attainment\nHamilton County 4/15/2015 Unclassifiable/Attainment\nHancock County Unclassifiable/Attainment\nHardeman County Unclassifiable/Attainment\nHardin County Unclassifiable/Attainment\nHawkins County Unclassifiable/Attainment\nHaywood County Unclassifiable/Attainment\nHenderson County Unclassifiable/Attainment\nHenry County Unclassifiable/Attainment\nHickman County Unclassifiable/Attainment\nHouston County Unclassifiable/Attainment\nHumphreys County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJohnson County Unclassifiable/Attainment\nKnox County Unclassifiable/Attainment\nLake County Unclassifiable/Attainment\nLauderdale County Unclassifiable/Attainment\nLawrence County Unclassifiable/Attainment\nLewis County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nLoudon County Unclassifiable/Attainment\nMcMinn County Unclassifiable/Attainment\nMcNairy County Unclassifiable/Attainment\nMacon County Unclassifiable/Attainment\nMadison County Unclassifiable/Attainment\nMarion County 4/15/2015 Unclassifiable/Attainment\nMarshall County Unclassifiable/Attainment\nMaury County Unclassifiable/Attainment\nMeigs County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nMontgomery County Unclassifiable/Attainment\nMoore County Unclassifiable/Attainment\nMorgan County Unclassifiable/Attainment\nObion County Unclassifiable/Attainment\nOverton County Unclassifiable/Attainment\nPerry County Unclassifiable/Attainment\nPickett County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPutnam County Unclassifiable/Attainment\nRhea County Unclassifiable/Attainment\nRoane County Unclassifiable/Attainment\nRobertson County Unclassifiable/Attainment\nRutherford County Unclassifiable/Attainment\nScott County Unclassifiable/Attainment\nSequatchie County 4/15/2015 Unclassifiable/Attainment\nSevier County Unclassifiable/Attainment\nShelby County Unclassifiable/Attainment\nSmith County Unclassifiable/Attainment\nStewart County Unclassifiable/Attainment\nSullivan County Unclassifiable/Attainment\nSumner County Unclassifiable/Attainment\nTipton County Unclassifiable/Attainment\nTrousdale County Unclassifiable/Attainment\nUnicoi County Unclassifiable/Attainment\nUnion County Unclassifiable/Attainment\nVan Buren County Unclassifiable/Attainment\nWarren County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWayne County Unclassifiable/Attainment\nWeakley County Unclassifiable/Attainment\nWhite County Unclassifiable/Attainment\nWilliamson County Unclassifiable/Attainment\nWilson County Unclassifiable/Attainment\n1 Includes areas of Indian country located in each county or area, if any, except as otherwise specified.\n2 This date is June 19, 2017, unless otherwise noted.\nTennessee—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nStatewide:\nAnderson County Unclassifiable/Attainment.\nBedford County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBledsoe County Unclassifiable/Attainment.\nBlount County Unclassifiable/Attainment.\nBradley County Unclassifiable/Attainment.\nCampbell County Unclassifiable/Attainment.\nCannon County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCheatham County Unclassifiable/Attainment.\nChester County Unclassifiable/Attainment.\nClaiborne County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nCocke County Unclassifiable/Attainment.\nCoffee County Unclassifiable/Attainment.\nCrockett County Unclassifiable/Attainment.\nCumberland County Unclassifiable/Attainment.\nDavidson County Unclassifiable/Attainment.\nDecatur County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDickson County Unclassifiable/Attainment.\nDyer County Unclassifiable/Attainment.\nFayette County Unclassifiable/Attainment.\nFentress County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGibson County Unclassifiable/Attainment.\nGiles County Unclassifiable/Attainment.\nGrainger County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHamblen County Unclassifiable/Attainment.\nHamilton County Unclassifiable/Attainment.\nHancock County Unclassifiable/Attainment.\nHardeman County Unclassifiable/Attainment.\nHardin County Unclassifiable/Attainment.\nHawkins County Unclassifiable/Attainment.\nHaywood County Unclassifiable/Attainment.\nHenderson County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickman County Unclassifiable/Attainment.\nHouston County Unclassifiable/Attainment.\nHumphreys County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nKnox County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLauderdale County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nLoudon County Unclassifiable/Attainment.\nMcMinn County Unclassifiable/Attainment.\nMcNairy County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMarshall County Unclassifiable/Attainment.\nMaury County Unclassifiable/Attainment.\nMeigs County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMoore County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nObion County Unclassifiable/Attainment.\nOverton County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPickett County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRhea County Unclassifiable/Attainment.\nRoane County Unclassifiable/Attainment.\nThe area described by U.S. Census 2000 block group identifier 47-145-0307-2.\nRobertson County Unclassifiable/Attainment.\nRutherford County Unclassifiable/Attainment.\nScott County Unclassifiable/Attainment.\nSequatchie County Unclassifiable/Attainment.\nSevier County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nSmith County Unclassifiable/Attainment.\nStewart County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nSumner County Unclassifiable/Attainment.\nTipton County Unclassifiable/Attainment.\nTrousdale County Unclassifiable/Attainment.\nUnicoi County Unclassifiable/Attainment.\nUnion County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWeakley County Unclassifiable/Attainment.\nWhite County Unclassifiable/Attainment.\nWilliamson County Unclassifiable/Attainment.\nWilson 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.\nTennessee—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nKnoxville-Sevierville-La Follette, TN: 8/28/2017 Attainment\nAnderson County Attainment\nBlount County Attainment\nKnox County Attainment\nLoudon County Attainment\nRoane County (part) Attainment\nThe area described by U.S. Census 2000 block group identifier 47-145-0307-2.\nRest of State:\nBedford County Unclassifiable/Attainment.\nBenton County Unclassifiable/Attainment.\nBledsoe County Unclassifiable/Attainment.\nBradley County Unclassifiable/Attainment.\nCampbell County Unclassifiable/Attainment.\nCannon County Unclassifiable/Attainment.\nCarroll County Unclassifiable/Attainment.\nCarter County Unclassifiable/Attainment.\nCheatham County Unclassifiable/Attainment.\nChester County Unclassifiable/Attainment.\nClaiborne County Unclassifiable/Attainment.\nClay County Unclassifiable/Attainment.\nCocke County Unclassifiable/Attainment.\nCoffee County Unclassifiable/Attainment.\nCrockett County Unclassifiable/Attainment.\nCumberland County Unclassifiable/Attainment.\nDavidson County Unclassifiable/Attainment.\nDecatur County Unclassifiable/Attainment.\nDeKalb County Unclassifiable/Attainment.\nDickson County Unclassifiable/Attainment.\nDyer County Unclassifiable/Attainment.\nFayette County Unclassifiable/Attainment.\nFentress County Unclassifiable/Attainment.\nFranklin County Unclassifiable/Attainment.\nGibson County Unclassifiable/Attainment.\nGiles County Unclassifiable/Attainment.\nGrainger County Unclassifiable/Attainment.\nGreene County Unclassifiable/Attainment.\nGrundy County Unclassifiable/Attainment.\nHamblen County Unclassifiable/Attainment.\nHamilton County Unclassifiable/Attainment.\nHancock County Unclassifiable/Attainment.\nHardeman County Unclassifiable/Attainment.\nHardin County Unclassifiable/Attainment.\nHawkins County Unclassifiable/Attainment.\nHaywood County Unclassifiable/Attainment.\nHenderson County Unclassifiable/Attainment.\nHenry County Unclassifiable/Attainment.\nHickman County Unclassifiable/Attainment.\nHouston County Unclassifiable/Attainment.\nHumphreys County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJohnson County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLauderdale County Unclassifiable/Attainment.\nLawrence County Unclassifiable/Attainment.\nLewis County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nMcMinn County Unclassifiable/Attainment.\nMcNairy County Unclassifiable/Attainment.\nMacon County Unclassifiable/Attainment.\nMadison County Unclassifiable/Attainment.\nMarion County Unclassifiable/Attainment.\nMarshall County Unclassifiable/Attainment.\nMaury County Unclassifiable/Attainment.\nMeigs County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontgomery County Unclassifiable/Attainment.\nMoore County Unclassifiable/Attainment.\nMorgan County Unclassifiable/Attainment.\nObion County Unclassifiable/Attainment.\nOverton County Unclassifiable/Attainment.\nPerry County Unclassifiable/Attainment.\nPickett County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPutnam County Unclassifiable/Attainment.\nRhea County Unclassifiable/Attainment.\nRoane County (remainder) Unclassifiable/Attainment.\nRobertson County Unclassifiable/Attainment.\nRutherford County Unclassifiable/Attainment.\nScott County. Unclassifiable/Attainment.\nSequatchie County Unclassifiable/Attainment.\nSevier County Unclassifiable/Attainment.\nShelby County Unclassifiable/Attainment.\nSmith County Unclassifiable/Attainment.\nStewart County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nSumner County Unclassifiable/Attainment.\nTipton County Unclassifiable/Attainment.\nTrousdale County Unclassifiable/Attainment.\nUnicoi County Unclassifiable/Attainment.\nUnion County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWarren County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWeakley County Unclassifiable/Attainment.\nWhite County Unclassifiable/Attainment.\nWilliamson County Unclassifiable/Attainment.\nWilson 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.\n2 This date is July 2, 2014, unless otherwise noted.\nTennessee—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nStatewide x\nTennessee—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nBradley County Unclassifiable/Attainment.\nDavidson County Unclassifiable/Attainment.\nMcMinn County Unclassifiable/Attainment.\nSullivan County Unclassifiable/Attainment.\nRest of State 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.\nTennessee—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nChattanooga, TN-GA-AL:\nHamilton County (2) Attainment.\nMeigs County (2) Attainment.\nClarkesville-Hopkinsville, TN-KY:\nMontgomery County 11/21/2005 Attainment\nJohnson City-Kingsport-Bristol, TN:\nHawkins County (2) Attainment.\nSullivan County (2) Attainment.\nKnoxville, TN:\nAnderson County This action is effective 3/8/2011 Attainment\nBlount County This action is effective 3/8/2011 Attainment\nCocke County (part) This action is effective 3/8/2011 Attainment\n(Great Smoky Mtn Park)\nJefferson County This action is effective 3/8/2011 Attainment\nKnox County This action is effective 3/8/2011 Attainment\nLoudon County This action is effective 3/8/2011 Attainment\nSevier County This action is effective 3/8/2011 Attainment.\nMemphis, TN-AR: Shelby County January 4, 2010 Attainment\nNashville, TN:\nDavidson County (2) Attainment.\nRutherford County (2) Attainment.\nSumner County (2) Attainment.\nWilliamson County (2) Attainment.\nWilson County (2) Attainment.\nRest of State Unclassifiable/Attainment\nBedford County\nBenton County\nBledsoe County\nBradley County\nCampbell County\nCannon County\nCarroll County\nCarter County\nCheatham County\nChester County\nClaiborne County\nClay County\nCocke County (part) remainder\nCoffee County\nCrockett County\nCumberland County\nDecatur County\nDeKalb County\nDickson County\nDyer County\nFayette County\nFentress County\nFranklin County\nGibson County\nGiles County\nGrainger County\nGreene County\nGrundy County\nHamblen County\nHancock County\nHardeman County\nHardin County\nHaywood County\nHenderson County\nHenry County\nHickman County\nHouston County\nHumphreys County\nJackson County\nJohnson County\nLake County\nLauderdale County\nLawrence County\nLewis County\nLincoln County\nMacon County\nMadison County\nMarion County\nMarshall County\nMaury County\nMcMinn County\nMcNairy County\nMonroe County\nMoore County\nMorgan County\nObion County\nOverton County\nPerry County\nPickett County\nPolk County\nPutnam County\nRhea County\nRoane County\nRobertson County\nScott County\nSequatchie County\nSmith County\nStewart County\nTipton County\nTrousdale County\nUnicoi County\nUnion County\nVan Buren County\nWarren County\nWashington County\nWayne County\nWeakley County\nWhite 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.\n2 Effective April 15, 2008.\nTennessee—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nKnoxville, TN 2 This action is effective 7/13/2015 Attainment\nAnderson County (part):\n2000 Census tracts: 202, 213.02\nBlount County\nKnox County\nMemphis, TN-MS-AR: 2 Nonattainment Marginal.\nShelby County 6/23/2016 Attainment\nRest of State: 3 Unclassifiable/Attainment\nAnderson County (part) remainder Unclassifiable/Attainment\nBedford County Unclassifiable/Attainment\nBenton County Unclassifiable/Attainment\nBledsoe County Unclassifiable/Attainment\nBradley County Unclassifiable/Attainment\nCampbell County Unclassifiable/Attainment\nCannon County Unclassifiable/Attainment\nCarroll County Unclassifiable/Attainment\nCarter County Unclassifiable/Attainment\nCheatham County Unclassifiable/Attainment\nChester County Unclassifiable/Attainment\nClaiborne County Unclassifiable/Attainment\nClay County Unclassifiable/Attainment\nCocke County Unclassifiable/Attainment\nCoffee County Unclassifiable/Attainment\nCrockett County Unclassifiable/Attainment\nCumberland County Unclassifiable/Attainment\nDavidson County Unclassifiable/Attainment\nDecatur County Unclassifiable/Attainment\nDeKalb County Unclassifiable/Attainment\nDickson County Unclassifiable/Attainment\nDyer County Unclassifiable/Attainment\nFayette County Unclassifiable/Attainment\nFentress County Unclassifiable/Attainment\nFranklin County Unclassifiable/Attainment\nGibson County Unclassifiable/Attainment\nGiles County Unclassifiable/Attainment\nGrainger County Unclassifiable/Attainment\nGreene County Unclassifiable/Attainment\nGrundy County Unclassifiable/Attainment\nHamblen County Unclassifiable/Attainment\nHamilton County Unclassifiable/Attainment\nHancock County Unclassifiable/Attainment\nHardeman County Unclassifiable/Attainment\nHardin County Unclassifiable/Attainment\nHawkins County Unclassifiable/Attainment\nHaywood County Unclassifiable/Attainment\nHenderson County Unclassifiable/Attainment\nHenry County Unclassifiable/Attainment\nHickman County Unclassifiable/Attainment\nHouston County Unclassifiable/Attainment\nHumphreys County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJohnson County Unclassifiable/Attainment\nLake County Unclassifiable/Attainment\nLauderdale County Unclassifiable/Attainment\nLawrence County Unclassifiable/Attainment\nLewis County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nLoudon County Unclassifiable/Attainment\nMcMinn County Unclassifiable/Attainment\nMcNairy County Unclassifiable/Attainment\nMacon County Unclassifiable/Attainment\nMadison County Unclassifiable/Attainment\nMarion County Unclassifiable/Attainment\nMarshall County Unclassifiable/Attainment\nMaury County Unclassifiable/Attainment\nMeigs County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nMontgomery County Unclassifiable/Attainment\nMoore County Unclassifiable/Attainment\nMorgan County Unclassifiable/Attainment\nObion County Unclassifiable/Attainment\nOverton County Unclassifiable/Attainment\nPerry County Unclassifiable/Attainment\nPickett County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPutnam County Unclassifiable/Attainment\nRhea County Unclassifiable/Attainment\nRoane County Unclassifiable/Attainment\nRobertson County Unclassifiable/Attainment\nRutherford County Unclassifiable/Attainment\nScott County Unclassifiable/Attainment\nSequatchie County Unclassifiable/Attainment\nSevier County Unclassifiable/Attainment\nSmith County Unclassifiable/Attainment\nStewart County Unclassifiable/Attainment\nSullivan County Unclassifiable/Attainment\nSumner County Unclassifiable/Attainment\nTipton County Unclassifiable/Attainment\nTrousdale County Unclassifiable/Attainment\nUnicoi County Unclassifiable/Attainment\nUnion County Unclassifiable/Attainment\nVan Buren County Unclassifiable/Attainment\nWarren County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWayne County Unclassifiable/Attainment\nWeakley County Unclassifiable/Attainment\nWhite County Unclassifiable/Attainment\nWilliamson County Unclassifiable/Attainment\nWilson County Unclassifiable/Attainment\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.\nTennessee—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date Type\nAnderson County Attainment/Unclassifiable\nBedford County Attainment/Unclassifiable\nBenton County Attainment/Unclassifiable\nBledsoe County Attainment/Unclassifiable\nBlount County Attainment/Unclassifiable\nBradley County Attainment/Unclassifiable\nCampbell County Attainment/Unclassifiable\nCannon County Attainment/Unclassifiable\nCarroll County Attainment/Unclassifiable\nCarter County Attainment/Unclassifiable\nCheatham County Attainment/Unclassifiable\nChester County Attainment/Unclassifiable\nClaiborne County Attainment/Unclassifiable\nClay County Attainment/Unclassifiable\nCocke County Attainment/Unclassifiable\nCoffee County Attainment/Unclassifiable\nCrockett County Attainment/Unclassifiable\nCumberland County Attainment/Unclassifiable\nDavidson County Attainment/Unclassifiable\nDecatur County Attainment/Unclassifiable\nDeKalb County Attainment/Unclassifiable\nDickson County Attainment/Unclassifiable\nDyer County Attainment/Unclassifiable\nFayette County Attainment/Unclassifiable\nFentress County Attainment/Unclassifiable\nFranklin County Attainment/Unclassifiable\nGibson County Attainment/Unclassifiable\nGiles County Attainment/Unclassifiable\nGrainger County Attainment/Unclassifiable\nGreene County Attainment/Unclassifiable\nGrundy County Attainment/Unclassifiable\nHamblen County Attainment/Unclassifiable\nHamilton County Attainment/Unclassifiable\nHancock County Attainment/Unclassifiable\nHardeman County Attainment/Unclassifiable\nHardin County Attainment/Unclassifiable\nHawkins County Attainment/Unclassifiable\nHaywood County Attainment/Unclassifiable\nHenderson County Attainment/Unclassifiable\nHenry County Attainment/Unclassifiable\nHickman County Attainment/Unclassifiable\nHouston County Attainment/Unclassifiable\nHumphreys County Attainment/Unclassifiable\nJackson County Attainment/Unclassifiable\nJefferson County Attainment/Unclassifiable\nJohnson County Attainment/Unclassifiable\nKnox County Attainment/Unclassifiable\nLake County Attainment/Unclassifiable\nLauderdale County Attainment/Unclassifiable\nLawrence County Attainment/Unclassifiable\nLewis County Attainment/Unclassifiable\nLincoln County Attainment/Unclassifiable\nLoudon County Attainment/Unclassifiable\nMcMinn County Attainment/Unclassifiable\nMcNairy County Attainment/Unclassifiable\nMacon County Attainment/Unclassifiable\nMadison County Attainment/Unclassifiable\nMarion County Attainment/Unclassifiable\nMarshall County Attainment/Unclassifiable\nMaury County Attainment/Unclassifiable\nMeigs County Attainment/Unclassifiable\nMonroe County Attainment/Unclassifiable\nMontgomery County Attainment/Unclassifiable\nMoore County Attainment/Unclassifiable\nMorgan County Attainment/Unclassifiable\nObion County Attainment/Unclassifiable\nOverton County Attainment/Unclassifiable\nPerry County Attainment/Unclassifiable\nPickett County Attainment/Unclassifiable\nPolk County Attainment/Unclassifiable\nPutnam County Attainment/Unclassifiable\nRhea County Attainment/Unclassifiable\nRoane County Attainment/Unclassifiable\nRobertson County Attainment/Unclassifiable\nRutherford County Attainment/Unclassifiable\nScott County Attainment/Unclassifiable\nSequatchie County Attainment/Unclassifiable\nSevier County Attainment/Unclassifiable\nShelby County Attainment/Unclassifiable\nSmith County Attainment/Unclassifiable\nStewart County Attainment/Unclassifiable\nSullivan County Attainment/Unclassifiable\nSumner County Attainment/Unclassifiable\nTipton County Attainment/Unclassifiable\nTrousdale County Attainment/Unclassifiable\nUnicoi County Attainment/Unclassifiable\nUnion County Attainment/Unclassifiable\nVan Buren County Attainment/Unclassifiable\nWarren County Attainment/Unclassifiable\nWashington County Attainment/Unclassifiable\nWayne County Attainment/Unclassifiable\nWeakley County Attainment/Unclassifiable\nWhite County Attainment/Unclassifiable\nWilliamson County Attainment/Unclassifiable\nWilson 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 January 16, 2018, unless otherwise noted.\nTennessee—1978 Lead NAAQS\nDesignated area Designation Classification\nDate Type Date Type\nShelby County (part) 7/2/2001 Attainment\nArea encompassed by a circle with a 3⁄4 mile radius with center being the intersection of Castex and Mallory Avenue, Memphis, TN.\nWilliamson County (part) 9/10/1999 Attainment\nArea encompassed by a circle centered on Universal Transverse Mercator coordinate 530.38 E, 3961.60 N (Zone 16) with a radius of 1.5 kilometers.\nFayette County (part) 10/17/1995 Attainment\nArea encompassed by a circle centered on Universal Transverse Mercator coordinate 267.59 E, 3881.30 N (Zone 16) with a radius of 1.0 kilometers.\nRest of State Not Designated\nTennessee—2008 Lead NAAQS\nDesignated area Designation for the 2008 NAAQS a\nDate 1 Type\nBristol, TN:\nSullivan County (part) 7/7/2016 Attainment.\nArea is bounded by a 1.25 km radius surrounding the UTM coordinates 4042923 meters E., 386267 meters N., Zone 17, which surrounds the Exide Technologies Facility.\nKnox County, TN:\nKnox County Unclassifiable.\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":"0aebb6495f668a7f13c2d9c3602b0cb66c62b64d459d2af4219709301e106af5","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.342","next":"us/40-cfr-81.344"},"notice":"GroundRules: Original legal text. Not legal advice."}