{"data":{"id":"us/40-cfr-81.323","jurisdiction":"us","citation":"40 CFR 81.323","heading":"Michigan.","body":"Michigan—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\nAQCR 82 (Michigan portion) X\nAQCR 122\n1. Midland County, R2E, T13N, sections 1-6, R2E, T13N, sections 1-6, R2E, T14N, sections 7-36 X\nAQCR 123 X\nAQCR 124 (Michigan portion) X\nAQCR 125 X\nAQCR 126 X\nMichigan—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated area 1 Designation\nDate 2 Type\nDetroit, MI 4/2/2026 Attainment.\nWayne County (part)\nThe area bounded on the east by the Michigan-Ontario border, on the south by the Wayne County-Monroe County border, on the west by Interstate 75 north to Southfield Road, Southfield Road to Interstate 94, and Interstate 94 north to Michigan Avenue, and on the north by Michigan Avenue to Woodward Avenue and a line on Woodward Avenue extended to the Michigan-Ontario border.\nSt. Clair, MI 7/9/2026 Attainment.\nSt. Clair County (part):\nArea defined by the St. Clair River for the eastern boundary, an extension from the St. Clair River straight west to the intersection of State Highway M-29 and St. Clair River Drive, continuing west on State Highway M-29 to Church Road to Arnold Road to County Line Road for the southern boundary, County Line Road and the Macomb/St. Clair County boundary to Stoddard Road to Wales Ridge Road for the western boundary, and Alpine Road to Fitz Road to Smith Creek Road to Range Road to Huron Avenue, extending straight east from the intersection of Huron Road and River Road to the St. Clair River for the northern boundary.\nBay County, MI 9/12/2016 Attainment/Unclassifiable.\nBay County\nLansing, MI 9/12/2016 Attainment/Unclassifiable.\nEaton County\nIngham County\nMarquette County, MI 9/12/2016 Attainment/Unclassifiable.\nMarquette County\nMonroe County, MI 9/12/2016 Attainment/Unclassifiable.\nMonroe County\nOttawa County, MI 9/12/2016 Attainment/Unclassifiable.\nOttawa County\nAlcona County Attainment/Unclassifiable.\nAlger County Attainment/Unclassifiable.\nAllegan County Attainment/Unclassifiable.\nAlpena County Attainment/Unclassifiable.\nAntrim County Attainment/Unclassifiable.\nArenac County Attainment/Unclassifiable.\nBaraga County Attainment/Unclassifiable.\nBarry County Attainment/Unclassifiable.\nBenzie County Attainment/Unclassifiable.\nBerrien County Attainment/Unclassifiable.\nBranch County Attainment/Unclassifiable.\nCalhoun County Attainment/Unclassifiable.\nCass County Attainment/Unclassifiable.\nCharlevoix County Attainment/Unclassifiable.\nCheboygan County Attainment/Unclassifiable.\nChippewa County Attainment/Unclassifiable.\nClare County Attainment/Unclassifiable.\nClinton County Attainment/Unclassifiable.\nCrawford County Attainment/Unclassifiable.\nDelta County Attainment/Unclassifiable.\nDickinson County Attainment/Unclassifiable.\nEmmet County Attainment/Unclassifiable.\nGenesee County Attainment/Unclassifiable.\nGladwin County Attainment/Unclassifiable.\nGogebic County Attainment/Unclassifiable.\nGrand Traverse County Attainment/Unclassifiable.\nGratiot County Attainment/Unclassifiable.\nHillsdale County Attainment/Unclassifiable.\nHoughton County Attainment/Unclassifiable.\nHuron County Attainment/Unclassifiable.\nIonia County Attainment/Unclassifiable.\nIosco County Attainment/Unclassifiable.\nIron County Attainment/Unclassifiable.\nIsabella County Attainment/Unclassifiable.\nJackson County Attainment/Unclassifiable.\nKalamazoo County Attainment/Unclassifiable.\nKalkaska County Attainment/Unclassifiable.\nKent County Attainment/Unclassifiable.\nKeweenaw County Attainment/Unclassifiable.\nLake County Attainment/Unclassifiable.\nLapeer County Attainment/Unclassifiable.\nLeelanau County Attainment/Unclassifiable.\nLenawee County Attainment/Unclassifiable.\nLivingston County Attainment/Unclassifiable.\nLuce County Attainment/Unclassifiable.\nMackinac County Attainment/Unclassifiable.\nMacomb County Attainment/Unclassifiable.\nManistee County Attainment/Unclassifiable.\nMason County Attainment/Unclassifiable.\nMecosta County Attainment/Unclassifiable.\nMenominee County Attainment/Unclassifiable.\nMidland County Attainment/Unclassifiable.\nMissaukee County Attainment/Unclassifiable.\nMontcalm County Attainment/Unclassifiable.\nMontmorency County Attainment/Unclassifiable.\nMuskegon County Attainment/Unclassifiable.\nNewaygo County Attainment/Unclassifiable.\nOakland County Attainment/Unclassifiable.\nOceana County Attainment/Unclassifiable.\nOgemaw County Attainment/Unclassifiable.\nOntonagon County Attainment/Unclassifiable.\nOsceola County Attainment/Unclassifiable.\nOscoda County Attainment/Unclassifiable.\nOtsego County Attainment/Unclassifiable.\nPresque Isle County Attainment/Unclassifiable.\nRoscommon County Attainment/Unclassifiable.\nSaginaw County Attainment/Unclassifiable.\nSt. Clair County (remainder) Attainment/Unclassifiable.\nSt. Joseph County Attainment/Unclassifiable.\nSanilac County Attainment/Unclassifiable.\nSchoolcraft County Attainment/Unclassifiable.\nShiawassee County Attainment/Unclassifiable.\nTuscola County Attainment/Unclassifiable.\nVan Buren County Attainment/Unclassifiable.\nWashtenaw County Attainment/Unclassifiable.\nWayne County (remainder) Attainment/Unclassifiable.\nWexford 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.\nMichigan—Carbon Monoxide\nDesignated Area Designation Classification\nDate 1 Type Date 1 Type\nDETROIT AREA\nAreas included within the following (counter-clockwise): Lake St. Clair to 14 Mile Road to Kelly Road, N. to 15 Mile Road to Hayes Road, S. to 14 Mile Road to Clawson City Boundary, following N. Clawson City boundary to N. Royal Oak boundary to 13 Mile Road to Evergreen Road to southern Beverly Hills City boundary to southern Bingham Farms City boundary to southern Franklin Hills City boundary to Inkster Road, south to Pennsylvania Road extending east to the Detroit River. Macomb County (part) August 30, 1999 Attainment\nOakland County (part) August 30, 1999 Attainment\nWayne County (part) August 30, 1999 Attainment\nAQCR 082 South Bend-Elkhart-Benton Harbor Interstate Unclassifiable/Attainment\nBerrien County\nCass County\nVan Buren County\nAQCR 122 Central Michigan Intrastate Unclassifiable/Attainment\nAllegan County\nArenac County\nBay County\nClare County\nGenesee County\nGladwin County\nGratiot County\nHuron County\nIonia County\nIosco County\nIsabella County\nKent County\nLake County\nLapeer County\nMason County\nMecosta County\nMidland County\nMontcalm County\nMuskegon County\nNewaygo County\nOceana County\nOgemaw County\nOsceola County\nOttawa County\nRoscommon County\nSaginaw County\nSanilac County\nShiawassee County\nTuscola County\nAQCR 123 Metro Detroit-Port Huron Intrastate (Remainder of) Unclassifiable/Attainment\nMacomb County (part)\nRemainder of County\nOakland County (part)\nRemainder of County\nSt. Clair County\nWayne County (part)\nRemainder of County\nAQCR 124 Metropolitan Toledo Interstate Unclassifiable/Attainment\nMonroe County\nAQCR 125 South Central Michigan Intrastate Unclassifiable/Attainment\nBarry County\nBranch County\nCalhoun County\nClinton County\nEaton County\nHillsdale County\nIngham County\nJackson County\nKalamazoo County\nLenawee County\nLivingston County\nSt. Joseph County\nWashtenaw County\nAQCR 126 Upper Michigan Intrastate Unclassifiable/Attainment\nAlcona County\nAlger County\nAlpena County\nAntrim County\nBaraga County\nBenzie County\nCharlevoix County\nCheboygan County\nChippewa County\nCrawford County\nDelta County\nDickinson County\nEmmet County\nGogebic County\nGrand Traverse County\nHoughton County\nIron County\nKalkaska County\nKeweenaw County\nLeelanau County\nLuce County\nMackinac County\nManistee County\nMarquette County\nMenominee County\nMissaukee County\nMontmorency County\nOntonagon County\nOscoda County\nOtsego County\nPresque Isle County\nSchoolcraft County\nWexford County\n1 This date is November 15, 1990, unless otherwise noted.\nMichigan—Ozone (1-Hour Standard)4\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nAllegan County Area:\nAllegan County January 16, 2001 Attainment\nBarry County Area:\nBarry County Unclassifiable/Attainment\nBattle Creek Area:\nCalhoun County Unclassifiable/Attainment\nBenton Harbor Area:\nBerrien County Unclassifiable/Attainment\nBranch County Area:\nBranch County Unclassifiable/Attainment\nCass County Area:\nCass County Unclassifiable/Attainment\nDetroit-Ann Arbor Area:\nLivingston County Attainment\nMacomb County Attainment\nMonroe County Attainment\nOakland County Attainment\nSt. Clair County Attainment\nWashtenaw County Attainment\nWayne County Attainment\nFlint Area:\nGenesee County January 16, 2001 Attainment\nGrand Rapids Area:\nKent County Attainment\nOttawa County Attainment\nGratiot County Area:\nGratiot County Unclassifiable/Attainment\nHillsdale County Area:\nHillsdale County Unclassifiable/Attainment\nHuron County Area:\nHuron County Unclassifiable/Attainment\nIonia County Area:\nIonia County Unclassifiable/Attainment\nJackson Area:\nJackson County Unclassifiable/Attainment\nKalamazoo Area:\nKalamazoo County Unclassifiable/Attainment\nLansing-East Lansing Area:\nClinton County Unclassifiable/Attainment\nEaton County Unclassifiable/Attainment\nIngham County Unclassifiable/Attainment\nLapeer County Area:\nLapeer County Unclassifiable/Attainment\nLenawee County Area:\nLenawee County Unclassifiable/Attainment\nMontcalm Area:\nMontcalm County Unclassifiable/Attainment\nMuskegon Area:\nMuskegon County October 18, 2000 Attainment\nSaginaw-Bay City-Midland Area:\nBay County January 16, 2001 Attainment\nMidland County January 16, 2001 Attainment\nSaginaw County January 16, 2001 Attainment\nSanilac County Area:\nSanilac County Unclassifiable/Attainment\nShiawassee County Area:\nShiawassee County Unclassifiable/Attainment\nSt. Joseph County Area:\nSt. Joseph County Unclassifiable/Attainment\nTuscola County Area:\nTuscola County Unclassifiable/Attainment\nVan Buren County Area:\nVan Buren County Unclassifiable/Attainment\nAQCR 122 Central Michigan Intrastate (Remainder of): Unclassifiable/Attainment\nArenac County\nClare County\nGladwin County\nIosco County\nIsabella County\nLake County\nMason County\nMecosta County\nNewaygo County\nOceana County\nOgemaw County\nOsceola County\nRoscommon County\nAQCR 126 Upper Michigan Intrastate (part) Marquette County Unclassifiable/Attainment\nAQCR 126 Upper Michigan Intrastate (Remainder of): Unclassifiable/Attainment\nAlcona County\nAlger County\nAlpena County\nAntrim County\nBaraga County\nBenzie County\nCharlevoix County\nCheboygan County\nChippewa County\nCrawford County\nDelta County\nDickinson County\nEmmet County\nGogebic County\nGrand Traverse County\nHoughton County\nIron County\nKalkaska County\nKeweenaw County\nLeelanau County\nLuce County\nMackinac County\nManistee County\nMenominee County\nMissaukee County\nMontmorency County\nOntonagon County\nOscoda County\nOtsego County\nPresque Isle County\nSchoolcraft County\nWexford County\n1 This date is October 18, 2000, unless otherwise noted.\n2 An area designated as an ozone nonattainment area as of the date of enactment of the CAAA of the 1990 that did not violate the ozone NAAQS during the period of 1987-1989.\n3 This date is January 16, 2001.\n4 The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Michigan. The Detroit-Ann Arbor, Flint, Grand Rapids, Muskegon, Allegan Co, and Saginaw-Bay City-Midland areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.\nMichigan—PM-10\nDesignated Area Designation Classification\nDate Type Date Type\nWayne County—The area bounded by Michigan Avenue from its intersection with I-75 west to I-94, I-94 southwest to Greenfield Road, Greenfield Road south to Schaefer Road, Schaefer Road south and east to Jefferson Avenue, Jefferson Avenue south (Biddle Avenue through the city of Wyandotte) to Sibley Avenue, Sibley Avenue west to Fort Street, Fort Street south to King Road, King Road east to Jefferson Avenue, Jefferson Avenue south to Helen Road, Helen Road east extended to Trenton Channel, Trenton Channel north to the Detroit River, the Detroit River north to the Ambassador Bridge, Ambassador Bridge to I-75, I-75 to Michigan Avenue 10/4/1996 Attainment\nRest of State 11/15/1990 Unclassifiable\nMichigan—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nDetroit-Ann Arbor, MI: 8/29/2013 Attainment..\nLivingston County\nMacomb County\nMonroe County\nOakland County\nSt. Clair County\nWashtenaw County\nWayne County\nRest of State:\nAlcona County Unclassifiable/Attainment.\nAlger County Unclassifiable/Attainment.\nAllegan County Unclassifiable/Attainment.\nAlpena County Unclassifiable/Attainment.\nAntrim County Unclassifiable/Attainment.\nArenac County Unclassifiable/Attainment.\nBaraga County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBay County Unclassifiable/Attainment.\nBenzie County Unclassifiable/Attainment.\nBerrien County Unclassifiable/Attainment.\nBranch County Unclassifiable/Attainment.\nCalhoun County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCharlevoix County Unclassifiable/Attainment.\nCheboygan County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClare County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDelta County Unclassifiable/Attainment.\nDickinson County Unclassifiable/Attainment.\nEaton County Unclassifiable/Attainment.\nEmmet County Unclassifiable/Attainment.\nGenesee County Unclassifiable/Attainment.\nGladwin County Unclassifiable/Attainment.\nGogebic County Unclassifiable/Attainment.\nGrand Traverse County Unclassifiable/Attainment.\nGratiot County Unclassifiable/Attainment.\nHillsdale County Unclassifiable/Attainment.\nHoughton County Unclassifiable/Attainment.\nHuron County Unclassifiable/Attainment.\nIngham County Unclassifiable/Attainment.\nIonia County Unclassifiable/Attainment.\nIosco County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nIsabella County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nKalamazoo County Unclassifiable/Attainment.\nKalkaska County Unclassifiable/Attainment.\nKent County Unclassifiable/Attainment.\nKeweenaw County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLapeer County Unclassifiable/Attainment.\nLeelanau County Unclassifiable/Attainment.\nLenawee County Unclassifiable/Attainment.\nLuce County Unclassifiable/Attainment.\nMackinac County Unclassifiable/Attainment.\nManistee County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMason County Unclassifiable/Attainment.\nMecosta County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMidland County Unclassifiable/Attainment.\nMissaukee County Unclassifiable/Attainment.\nMontcalm County Unclassifiable/Attainment.\nMontmorency County Unclassifiable/Attainment.\nMuskegon County Unclassifiable/Attainment.\nNewaygo County Unclassifiable/Attainment.\nOceana County Unclassifiable/Attainment.\nOgemaw County Unclassifiable/Attainment.\nOntonagon County Unclassifiable/Attainment.\nOsceola County Unclassifiable/Attainment.\nOscoda County Unclassifiable/Attainment.\nOtsego County Unclassifiable/Attainment.\nOttawa County Unclassifiable/Attainment.\nPresque Isle County Unclassifiable/Attainment.\nRoscommon County Unclassifiable/Attainment.\nSaginaw County Unclassifiable/Attainment.\nSt. Joseph County Unclassifiable/Attainment.\nSanilac County Unclassifiable/Attainment.\nSchoolcraft County Unclassifiable/Attainment.\nShiawassee County Unclassifiable/Attainment.\nTuscola County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWexford 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.\nMichigan—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nAlcona County Unclassifiable/Attainment\nAlger County Unclassifiable/Attainment\nAllegan County Unclassifiable/Attainment\nAlpena County Unclassifiable/Attainment\nAntrim County Unclassifiable/Attainment\nArenac County Unclassifiable/Attainment\nBaraga County Unclassifiable/Attainment\nBarry County Unclassifiable/Attainment\nBay County Unclassifiable/Attainment\nBenzie County Unclassifiable/Attainment\nBerrien County Unclassifiable/Attainment\nBranch County Unclassifiable/Attainment\nCalhoun County Unclassifiable/Attainment\nCass County Unclassifiable/Attainment\nCharlevoix County Unclassifiable/Attainment\nCheboygan County Unclassifiable/Attainment\nChippewa County Unclassifiable/Attainment\nClare County Unclassifiable/Attainment\nClinton County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDelta County Unclassifiable/Attainment\nDickinson County Unclassifiable/Attainment\nEaton County Unclassifiable/Attainment\nEmmet County Unclassifiable/Attainment\nGenesee County Unclassifiable/Attainment\nGladwin County Unclassifiable/Attainment\nGogebic County Unclassifiable/Attainment\nGrand Traverse County Unclassifiable/Attainment\nGratiot County Unclassifiable/Attainment\nHillsdale County Unclassifiable/Attainment\nHoughton County Unclassifiable/Attainment\nHuron County Unclassifiable/Attainment\nIngham County Unclassifiable/Attainment\nIonia County Unclassifiable/Attainment\nIosco County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nIsabella County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nKalamazoo County Unclassifiable/Attainment\nKalkaska County Unclassifiable/Attainment\nKent County Unclassifiable/Attainment\nKeweenaw County Unclassifiable/Attainment\nLake County Unclassifiable/Attainment\nLapeer County Unclassifiable/Attainment\nLeelanau County Unclassifiable/Attainment\nLenawee County Unclassifiable/Attainment\nLivingston County Unclassifiable/Attainment\nLuce County Unclassifiable/Attainment\nMackinac County Unclassifiable/Attainment\nMacomb County Unclassifiable/Attainment\nManistee County Unclassifiable/Attainment\nMarquette County Unclassifiable/Attainment\nMason County Unclassifiable/Attainment\nMecosta County Unclassifiable/Attainment\nMenominee County Unclassifiable/Attainment\nMidland County Unclassifiable/Attainment\nMissaukee County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nMontcalm County Unclassifiable/Attainment\nMontmorency County Unclassifiable/Attainment\nMuskegon County Unclassifiable/Attainment\nNewaygo County Unclassifiable/Attainment\nOakland County Unclassifiable/Attainment\nOceana County Unclassifiable/Attainment\nOgemaw County Unclassifiable/Attainment\nOntonagon County Unclassifiable/Attainment\nOsceola County Unclassifiable/Attainment\nOscoda County Unclassifiable/Attainment\nOtsego County Unclassifiable/Attainment\nOttawa County Unclassifiable/Attainment\nPresque Isle County Unclassifiable/Attainment\nRoscommon County Unclassifiable/Attainment\nSaginaw County Unclassifiable/Attainment\nSt. Clair County Unclassifiable/Attainment\nSt. Joseph County Unclassifiable/Attainment\nSanilac County Unclassifiable/Attainment\nSchoolcraft County Unclassifiable/Attainment\nShiawassee County Unclassifiable/Attainment\nTuscola County Unclassifiable/Attainment\nVan Buren County Unclassifiable/Attainment\nWashtenaw County Unclassifiable/Attainment\nWayne County Unclassifiable/Attainment\nWexford 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.\nMichigan—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nDetroit-Ann Arbor, MI:\nLivingston County Unclassifiable/Attainment.\nMacomb County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nOakland County Unclassifiable/Attainment.\nSt. Clair County Unclassifiable/Attainment.\nWashtenaw County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nRest of State:\nAlcona County Unclassifiable/Attainment.\nAlger County Unclassifiable/Attainment.\nAllegan County Unclassifiable/Attainment.\nAlpena County Unclassifiable/Attainment.\nAntrim County Unclassifiable/Attainment.\nArenac County Unclassifiable/Attainment.\nBaraga County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBay County Unclassifiable/Attainment.\nBenzie County Unclassifiable/Attainment.\nBerrien County Unclassifiable/Attainment.\nBranch County Unclassifiable/Attainment.\nCalhoun County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCharlevoix County Unclassifiable/Attainment.\nCheboygan County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClare County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDelta County Unclassifiable/Attainment.\nDickinson County Unclassifiable/Attainment.\nEaton County Unclassifiable/Attainment.\nEmmet County Unclassifiable/Attainment.\nGenesee County Unclassifiable/Attainment.\nGladwin County Unclassifiable/Attainment.\nGogebic County Unclassifiable/Attainment.\nGrand Traverse County Unclassifiable/Attainment.\nGratiot County Unclassifiable/Attainment.\nHillsdale County Unclassifiable/Attainment.\nHoughton County Unclassifiable/Attainment.\nHuron County Unclassifiable/Attainment.\nIngham County Unclassifiable/Attainment.\nIonia County Unclassifiable/Attainment.\nIosco County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nIsabella County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nKalamazoo County Unclassifiable/Attainment.\nKalkaska County Unclassifiable/Attainment.\nKent County Unclassifiable/Attainment.\nKeweenaw County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLapeer County Unclassifiable/Attainment.\nLeelanau County Unclassifiable/Attainment.\nLenawee County Unclassifiable/Attainment.\nLuce County Unclassifiable/Attainment.\nMackinac County Unclassifiable/Attainment.\nManistee County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMason County Unclassifiable/Attainment.\nMecosta County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMidland County Unclassifiable/Attainment.\nMissaukee County Unclassifiable/Attainment.\nMontcalm County Unclassifiable/Attainment.\nMontmorency County Unclassifiable/Attainment.\nMuskegon County Unclassifiable/Attainment.\nNewaygo County Unclassifiable/Attainment.\nOceana County Unclassifiable/Attainment.\nOgemaw County Unclassifiable/Attainment.\nOntonagon County Unclassifiable/Attainment.\nOsceola County Unclassifiable/Attainment.\nOscoda County Unclassifiable/Attainment.\nOtsego County Unclassifiable/Attainment.\nOttawa County Unclassifiable/Attainment.\nPresque Isle County Unclassifiable/Attainment.\nRoscommon County Unclassifiable/Attainment.\nSaginaw County Unclassifiable/Attainment.\nSt. Joseph County Unclassifiable/Attainment.\nSanilac County Unclassifiable/Attainment.\nSchoolcraft County Unclassifiable/Attainment.\nShiawassee County Unclassifiable/Attainment.\nTuscola County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWexford 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.\nMichigan—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date Type\nDetroit-Ann Arbor, MI: 8/29/2013 Attainment.\nLivingston County\nMacomb County\nMonroe County\nOakland County\nSt. Clair County\nWashtenaw County\nWayne County\nRest of State:\nAlcona County Unclassifiable/Attainment.\nAlger County Unclassifiable/Attainment.\nAllegan County Unclassifiable/Attainment.\nAlpena County Unclassifiable/Attainment.\nAntrim County Unclassifiable/Attainment.\nArenac County Unclassifiable/Attainment.\nBaraga County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBay County Unclassifiable/Attainment.\nBenzie County Unclassifiable/Attainment.\nBerrien County Unclassifiable/Attainment.\nBranch County Unclassifiable/Attainment.\nCalhoun County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCharlevoix County Unclassifiable/Attainment.\nCheboygan County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClare County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDelta County Unclassifiable/Attainment.\nDickinson County Unclassifiable/Attainment.\nEaton County Unclassifiable/Attainment.\nEmmet County Unclassifiable/Attainment.\nGenesee County Unclassifiable/Attainment.\nGladwin County Unclassifiable/Attainment.\nGogebic County Unclassifiable/Attainment.\nGrand Traverse County Unclassifiable/Attainment.\nGratiot County Unclassifiable/Attainment.\nHillsdale County Unclassifiable/Attainment.\nHoughton County Unclassifiable/Attainment.\nHuron County Unclassifiable/Attainment.\nIngham County Unclassifiable/Attainment.\nIonia County Unclassifiable/Attainment.\nIosco County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nIsabella County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nKalamazoo County Unclassifiable/Attainment.\nKalkaska County Unclassifiable/Attainment.\nKent County Unclassifiable/Attainment.\nKeweenaw County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLapeer County Unclassifiable/Attainment.\nLeelanau County Unclassifiable/Attainment.\nLenawee County Unclassifiable/Attainment.\nLuce County Unclassifiable/Attainment.\nMackinac County Unclassifiable/Attainment.\nManistee County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMason County Unclassifiable/Attainment.\nMecosta County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMidland County Unclassifiable/Attainment.\nMissaukee County Unclassifiable/Attainment.\nMontcalm County Unclassifiable/Attainment.\nMontmorency County Unclassifiable/Attainment.\nMuskegon County Unclassifiable/Attainment.\nNewaygo County Unclassifiable/Attainment.\nOceana County Unclassifiable/Attainment.\nOgemaw County Unclassifiable/Attainment.\nOntonagon County Unclassifiable/Attainment.\nOsceola County Unclassifiable/Attainment.\nOscoda County Unclassifiable/Attainment.\nOtsego County Unclassifiable/Attainment.\nOttawa County Unclassifiable/Attainment.\nPresque Isle County Unclassifiable/Attainment.\nRoscommon County Unclassifiable/Attainment.\nSaginaw County Unclassifiable/Attainment.\nSt. Joseph County Unclassifiable/Attainment.\nSanilac County Unclassifiable/Attainment.\nSchoolcraft County Unclassifiable/Attainment.\nShiawassee County Unclassifiable/Attainment.\nTuscola County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWexford 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.\nMichigan—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nState of Michigan X\nMichigan—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nAlcona County Unclassifiable/Attainment.\nAlger County Unclassifiable/Attainment.\nAllegan County Unclassifiable/Attainment.\nAlpena County Unclassifiable/Attainment.\nAntrim County Unclassifiable/Attainment.\nArenac County Unclassifiable/Attainment.\nBaraga County Unclassifiable/Attainment.\nBarry County Unclassifiable/Attainment.\nBay County Unclassifiable/Attainment.\nBenzie County Unclassifiable/Attainment.\nBerrien County Unclassifiable/Attainment.\nBranch County Unclassifiable/Attainment.\nCalhoun County Unclassifiable/Attainment.\nCass County Unclassifiable/Attainment.\nCharlevoix County Unclassifiable/Attainment.\nCheboygan County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClare County Unclassifiable/Attainment.\nClinton County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDelta County Unclassifiable/Attainment.\nDickinson County Unclassifiable/Attainment.\nEaton County Unclassifiable/Attainment.\nEmmet County Unclassifiable/Attainment.\nGenesee County Unclassifiable/Attainment.\nGladwin County Unclassifiable/Attainment.\nGogebic County Unclassifiable/Attainment.\nGrand Traverse County Unclassifiable/Attainment.\nGratiot County Unclassifiable/Attainment.\nHillsdale County Unclassifiable/Attainment.\nHoughton County Unclassifiable/Attainment.\nHuron County Unclassifiable/Attainment.\nIngham County Unclassifiable/Attainment.\nIonia County Unclassifiable/Attainment.\nIosco County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nIsabella County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nKalamazoo County Unclassifiable/Attainment.\nKalkaska County Unclassifiable/Attainment.\nKent County Unclassifiable/Attainment.\nKeweenaw County Unclassifiable/Attainment.\nLake County Unclassifiable/Attainment.\nLapeer County Unclassifiable/Attainment.\nLeelanau County Unclassifiable/Attainment.\nLenawee County Unclassifiable/Attainment.\nLivingston County Unclassifiable/Attainment.\nLuce County Unclassifiable/Attainment.\nMackinac County Unclassifiable/Attainment.\nMacomb County Unclassifiable/Attainment.\nManistee County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMason County Unclassifiable/Attainment.\nMecosta County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMidland County Unclassifiable/Attainment.\nMissaukee County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nMontcalm County Unclassifiable/Attainment.\nMontmorency County Unclassifiable/Attainment.\nMuskegon County Unclassifiable/Attainment.\nNewaygo County Unclassifiable/Attainment.\nOakland County Unclassifiable/Attainment.\nOceana County Unclassifiable/Attainment.\nOgemaw County Unclassifiable/Attainment.\nOntonagon County Unclassifiable/Attainment.\nOsceola County Unclassifiable/Attainment.\nOscoda County Unclassifiable/Attainment.\nOtsego County Unclassifiable/Attainment.\nOttawa County Unclassifiable/Attainment.\nPresque Isle County Unclassifiable/Attainment.\nRoscommon County Unclassifiable/Attainment.\nSaginaw County Unclassifiable/Attainment.\nSt. Clair County Unclassifiable/Attainment.\nSt. Joseph County Unclassifiable/Attainment.\nSanilac County Unclassifiable/Attainment.\nSchoolcraft County Unclassifiable/Attainment.\nShiawassee County Unclassifiable/Attainment.\nTuscola County Unclassifiable/Attainment.\nVan Buren County Unclassifiable/Attainment.\nWashtenaw County Unclassifiable/Attainment.\nWayne County Unclassifiable/Attainment.\nWexford 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.\nMichigan—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nAllegan County, MI:\nAllegan County 9/24/2010 Attainment\nBarry County Area:\nBenton Harbor, MI:\nBerrien County 5/16/2007 Attainment\nBenzie County, MI:\nBenzie County 5/16/2007 Attainment\nBranch County Area:\nBranch County Unclassifiable/Attainment\nCass County, MI:\nCass County 5/16/2007 Attainment\nDetroit-Ann Arbor, MI:\nLenawee County 6/29/2009 Attainment\nLivingston County.\nMacomb County\nMonroe County\nOakland County\nSt. Clair County\nWashtenaw County\nWayne County\nFlint, MI:\nGenesee County 5/16/2007 Attainment\nLapeer County\nGrand Rapids, MI:\nKent County 5/16/2007 Attainment\nOttawa County\nGratiot County Area:\nGratiot County Unclassifiable/Attainment\nHillsdale County Area:\nHillsdale County Unclassifiable/Attainment\nHuron County, MI:\nHuron County 5/16/2007 Attainment\nIonia County Area:\nIonia County Unclassifiable/Attainment\nJackson Area:\nJackson County Unclassifiable/Attainment\nKalamazoo-Battle Creek, MI:\nCalhoun County 5/16/2007 Attainment\nKalamazoo County\nVan Buren County\nLansing-East Lansing, MI:\nClinton County 5/16/2007 Attainment\nEaton County\nIngham County\nMason County, MI:\nMason County 5/16/2007 Attainment\nMontcalm Area:\nMontcalm County Unclassifiable/Attainment\nMuskegon, MI:\nMuskegon County 5/16/2007 Attainment\nSaginaw-Bay City-Midland Area:\nBay County Unclassifiable/Attainment\nMidland County Unclassifiable/Attainment\nSaginaw County Unclassifiable/Attainment\nSanilac County Area:\nSanilac County Unclassifiable/Attainment\nShiawassee County Area:\nShiawassee County Unclassifiable/Attainment\nSt Joseph County Area:\nSt Joseph County Unclassifiable/Attainment\nTuscola County Area:\nTuscola County Unclassifiable/Attainment\nAQCR 122 Central Michigan Intrastate (remainder of) Unclassifiable/Attainment\nArenac County\nClare County\nGladwin County\nIosco County\nIsabella County\nLake County\nMecosta County\nNewaygo County\nOceana County\nOgemaw County\nOsceola County\nRoscommon County\nAQCR 126 Upper Michigan Intrastate (part) Unclassifiable/Attainment\nMarquette County\nAQCR 126 Upper Michigan Intrastate (remainder of) Unclassifiable/Attainment\nAlcona County\nAlger County\nAlpena County\nAntrim County\nBaraga County\nCharlevoix County\nCheboygan County\nChippewa County\nCrawford County\nDelta County\nDickinson County\nEmmet County\nGogebic County\nGrand Traverse County\nHoughton County\nIron County\nKalkaska County\nKeweenaw County\nLeelanau County\nLuce County\nMackinac County\nManistee County\nMenominee County\nMissaukee County\nMontmorency County\nOntonagon County\nOscoda County\nOtsego County\nPresque Isle County\nSchoolcraft County\nWexford 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 November 22, 2004.\nMichigan—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nStatewide and Any Areas of Indian Country Unclassifiable/Attainment\n1 This date is July 20, 2012, unless otherwise noted.\nMichigan—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nAllegan County, MI Nonattainment 1/16/2025 Serious.\nAllegan County (part):\nCasco Township, Cheshire Township, City of Douglas, City of Holland, City of Saugatuck, Clyde Township, Fillmore Township, Ganges Township, Heath Township, Laketown Township, Lee Township, Manilus Township, Overisel Township, Saugatuck Township, and Valley Township.\nBerrien County, MI: Nonattainment 1/16/2025 Serious.\nBerrien County.\nDetroit, MI Nonattainment March 1, 2023 Moderate.\nLivingston County.\nMacomb County.\nMonroe County.\nOakland County.\nSt. Clair County.\nWashtenaw County.\nWayne County.\nMuskegon County, MI Nonattainment 1/16/2025 Serious.\nMuskegon County (part):\nBlue Lake Township, City of Montague, City of Muskegon, City of Muskegon Heights, City of North Muskegon, City of Roosevelt Park, City of Whitehall, Dalton Township, (incl. Village of Lakewood Club), Fruitland Township, Fruitport Township, (incl. Village of Fruitport), Laketon Township, Montague Township, Muskegon Township, Norton Shores Township, White River Township, and Whitehall Township.\nAlcona County 1/16/2018 Attainment/Unclassifiable\nAlger County 1/16/2018 Attainment/Unclassifiable\nAllegan County (part) remainder Attainment/Unclassifiable\nAlpena County 1/16/2018 Attainment/Unclassifiable\nAntrim County 1/16/2018 Attainment/Unclassifiable\nArenac County 1/16/2018 Attainment/Unclassifiable\nBaraga County 1/16/2018 Attainment/Unclassifiable\nBarry County Attainment/Unclassifiable\nBay County 1/16/2018 Attainment/Unclassifiable\nBenzie County 1/16/2018 Attainment/Unclassifiable\nBranch County 1/16/2018 Attainment/Unclassifiable\nCalhoun County 1/16/2018 Attainment/Unclassifiable\nCass County Attainment/Unclassifiable\nCharlevoix County 1/16/2018 Attainment/Unclassifiable\nCheboygan County 1/16/2018 Attainment/Unclassifiable\nChippewa County 1/16/2018 Attainment/Unclassifiable\nClare County 1/16/2018 Attainment/Unclassifiable\nClinton County 1/16/2018 Attainment/Unclassifiable\nCrawford County 1/16/2018 Attainment/Unclassifiable\nDelta County 1/16/2018 Attainment/Unclassifiable\nDickinson County 1/16/2018 Attainment/Unclassifiable\nEaton County 1/16/2018 Attainment/Unclassifiable\nEmmet County 1/16/2018 Attainment/Unclassifiable\nGenesee County Attainment/Unclassifiable\nGladwin County 1/16/2018 Attainment/Unclassifiable\nGogebic County 1/16/2018 Attainment/Unclassifiable\nGrand Traverse County 1/16/2018 Attainment/Unclassifiable\nGratiot County 1/16/2018 Attainment/Unclassifiable\nHillsdale County 1/16/2018 Attainment/Unclassifiable\nHoughton County 1/16/2018 Attainment/Unclassifiable\nHuron County 1/16/2018 Attainment/Unclassifiable\nIngham County 1/16/2018 Attainment/Unclassifiable\nIonia County Attainment/Unclassifiable\nIosco County 1/16/2018 Attainment/Unclassifiable\nIron County 1/16/2018 Attainment/Unclassifiable\nIsabella County 1/16/2018 Attainment/Unclassifiable\nJackson County 1/16/2018 Attainment/Unclassifiable\nKalamazoo County Attainment/Unclassifiable\nKalkaska County 1/16/2018 Attainment/Unclassifiable\nKent County Attainment/Unclassifiable\nKeweenaw County 1/16/2018 Attainment/Unclassifiable\nLake County 1/16/2018 Attainment/Unclassifiable\nLapeer County Attainment/Unclassifiable\nLeelanau County 1/16/2018 Attainment/Unclassifiable\nLenawee County Attainment/Unclassifiable\nLuce County 1/16/2018 Attainment/Unclassifiable\nMackinac County 1/16/2018 Attainment/Unclassifiable\nManistee County 1/16/2018 Attainment/Unclassifiable\nMarquette County 1/16/2018 Attainment/Unclassifiable\nMason County 1/16/2018 Attainment/Unclassifiable\nMecosta County Attainment/Unclassifiable\nMenominee County 1/16/2018 Attainment/Unclassifiable\nMidland County 1/16/2018 Attainment/Unclassifiable\nMissaukee County 1/16/2018 Attainment/Unclassifiable\nMontcalm County Attainment/Unclassifiable\nMontmorency County 1/16/2018 Attainment/Unclassifiable\nMuskegon County (part) remainder Attainment/Unclassifiable\nNewaygo County Attainment/Unclassifiable\nOceana County Attainment/Unclassifiable\nOgemaw County 1/16/2018 Attainment/Unclassifiable\nOntonagon County 1/16/2018 Attainment/Unclassifiable\nOsceola County 1/16/2018 Attainment/Unclassifiable\nOscoda County 1/16/2018 Attainment/Unclassifiable\nOtsego County 1/16/2018 Attainment/Unclassifiable\nOttawa County Attainment/Unclassifiable\nPresque Isle County 1/16/2018 Attainment/Unclassifiable\nRoscommon County 1/16/2018 Attainment/Unclassifiable\nSaginaw County 1/16/2018 Attainment/Unclassifiable\nSt. Joseph County 1/16/2018 Attainment/Unclassifiable\nSanilac County Attainment/Unclassifiable\nSchoolcraft County 1/16/2018 Attainment/Unclassifiable\nShiawassee County 1/16/2018 Attainment/Unclassifiable\nTuscola County 1/16/2018 Attainment/Unclassifiable\nVan Buren County Attainment/Unclassifiable\nWexford 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.\nMichigan—2008 Lead NAAQS\nDesignated area Designation for the 2008 NAAQS a\nDate 1 Type\nBelding, MI:\nIonia County (part) 5/31/2017 Attainment.\nThe area bounded by the following coordinates: Southeast corner by latitude 43.0956705 N and longitude 85.2130771 W; southwest corner (intersection of S. Broas St. and W. Washington St.) by latitude 43.0960358 N and longitude 85.2324027 W; northeast corner by latitude 43.1074942 N and longitude 85.2132313 W; western boundary 1 (intersection of W. Ellis St. and the vertical extension of S. Broas St.) by latitude 43.1033277 N and longitude 85.2322553 W; western boundary 2 (intersection of W. Ellis St. and N. Bridge St.) by latitude 43.1033911 N and longitude 85.2278464 W; western boundary 3 (intersection of N. Bridge St. and Earle St.) by latitude 43.1074479 N and longitude 85.2279722 W.\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":"67a4b67a09d89ff706ddea0ca377318a39ef54377d319b9d4d53d0aa2875bc0d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.322","next":"us/40-cfr-81.324"},"notice":"GroundRules: Original legal text. Not legal advice."}