Michigan.

Michigan—1971 Sulfur Dioxide NAAQS [Primary and Secondary] Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards AQCR 82 (Michigan portion) X AQCR 122 1. Midland County, R2E, T13N, sections 1-6, R2E, T13N, sections 1-6, R2E, T14N, sections 7-36 X AQCR 123 X AQCR 124 (Michigan portion) X AQCR 125 X AQCR 126 X Michigan—2010 Sulfur Dioxide NAAQS [Primary] Designated area 1 Designation Date 2 Type Detroit, MI 4/2/2026 Attainment. Wayne County (part) The 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. St. Clair, MI 7/9/2026 Attainment. St. Clair County (part): Area 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. Bay County, MI 9/12/2016 Attainment/Unclassifiable. Bay County Lansing, MI 9/12/2016 Attainment/Unclassifiable. Eaton County Ingham County Marquette County, MI 9/12/2016 Attainment/Unclassifiable. Marquette County Monroe County, MI 9/12/2016 Attainment/Unclassifiable. Monroe County Ottawa County, MI 9/12/2016 Attainment/Unclassifiable. Ottawa County Alcona County Attainment/Unclassifiable. Alger County Attainment/Unclassifiable. Allegan County Attainment/Unclassifiable. Alpena County Attainment/Unclassifiable. Antrim County Attainment/Unclassifiable. Arenac County Attainment/Unclassifiable. Baraga County Attainment/Unclassifiable. Barry County Attainment/Unclassifiable. Benzie County Attainment/Unclassifiable. Berrien County Attainment/Unclassifiable. Branch County Attainment/Unclassifiable. Calhoun County Attainment/Unclassifiable. Cass County Attainment/Unclassifiable. Charlevoix County Attainment/Unclassifiable. Cheboygan County Attainment/Unclassifiable. Chippewa County Attainment/Unclassifiable. Clare County Attainment/Unclassifiable. Clinton County Attainment/Unclassifiable. Crawford County Attainment/Unclassifiable. Delta County Attainment/Unclassifiable. Dickinson County Attainment/Unclassifiable. Emmet County Attainment/Unclassifiable. Genesee County Attainment/Unclassifiable. Gladwin County Attainment/Unclassifiable. Gogebic County Attainment/Unclassifiable. Grand Traverse County Attainment/Unclassifiable. Gratiot County Attainment/Unclassifiable. Hillsdale County Attainment/Unclassifiable. Houghton County Attainment/Unclassifiable. Huron County Attainment/Unclassifiable. Ionia County Attainment/Unclassifiable. Iosco County Attainment/Unclassifiable. Iron County Attainment/Unclassifiable. Isabella County Attainment/Unclassifiable. Jackson County Attainment/Unclassifiable. Kalamazoo County Attainment/Unclassifiable. Kalkaska County Attainment/Unclassifiable. Kent County Attainment/Unclassifiable. Keweenaw County Attainment/Unclassifiable. Lake County Attainment/Unclassifiable. Lapeer County Attainment/Unclassifiable. Leelanau County Attainment/Unclassifiable. Lenawee County Attainment/Unclassifiable. Livingston County Attainment/Unclassifiable. Luce County Attainment/Unclassifiable. Mackinac County Attainment/Unclassifiable. Macomb County Attainment/Unclassifiable. Manistee County Attainment/Unclassifiable. Mason County Attainment/Unclassifiable. Mecosta County Attainment/Unclassifiable. Menominee County Attainment/Unclassifiable. Midland County Attainment/Unclassifiable. Missaukee County Attainment/Unclassifiable. Montcalm County Attainment/Unclassifiable. Montmorency County Attainment/Unclassifiable. Muskegon County Attainment/Unclassifiable. Newaygo County Attainment/Unclassifiable. Oakland County Attainment/Unclassifiable. Oceana County Attainment/Unclassifiable. Ogemaw County Attainment/Unclassifiable. Ontonagon County Attainment/Unclassifiable. Osceola County Attainment/Unclassifiable. Oscoda County Attainment/Unclassifiable. Otsego County Attainment/Unclassifiable. Presque Isle County Attainment/Unclassifiable. Roscommon County Attainment/Unclassifiable. Saginaw County Attainment/Unclassifiable. St. Clair County (remainder) Attainment/Unclassifiable. St. Joseph County Attainment/Unclassifiable. Sanilac County Attainment/Unclassifiable. Schoolcraft County Attainment/Unclassifiable. Shiawassee County Attainment/Unclassifiable. Tuscola County Attainment/Unclassifiable. Van Buren County Attainment/Unclassifiable. Washtenaw County Attainment/Unclassifiable. Wayne County (remainder) Attainment/Unclassifiable. Wexford County Attainment/Unclassifiable. 1 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. 2 This date is April 9, 2018, unless otherwise noted. Michigan—Carbon Monoxide Designated Area Designation Classification Date 1 Type Date 1 Type DETROIT AREA Areas 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 Oakland County (part) August 30, 1999 Attainment Wayne County (part) August 30, 1999 Attainment AQCR 082 South Bend-Elkhart-Benton Harbor Interstate Unclassifiable/Attainment Berrien County Cass County Van Buren County AQCR 122 Central Michigan Intrastate Unclassifiable/Attainment Allegan County Arenac County Bay County Clare County Genesee County Gladwin County Gratiot County Huron County Ionia County Iosco County Isabella County Kent County Lake County Lapeer County Mason County Mecosta County Midland County Montcalm County Muskegon County Newaygo County Oceana County Ogemaw County Osceola County Ottawa County Roscommon County Saginaw County Sanilac County Shiawassee County Tuscola County AQCR 123 Metro Detroit-Port Huron Intrastate (Remainder of) Unclassifiable/Attainment Macomb County (part) Remainder of County Oakland County (part) Remainder of County St. Clair County Wayne County (part) Remainder of County AQCR 124 Metropolitan Toledo Interstate Unclassifiable/Attainment Monroe County AQCR 125 South Central Michigan Intrastate Unclassifiable/Attainment Barry County Branch County Calhoun County Clinton County Eaton County Hillsdale County Ingham County Jackson County Kalamazoo County Lenawee County Livingston County St. Joseph County Washtenaw County AQCR 126 Upper Michigan Intrastate Unclassifiable/Attainment Alcona County Alger County Alpena County Antrim County Baraga County Benzie County Charlevoix County Cheboygan County Chippewa County Crawford County Delta County Dickinson County Emmet County Gogebic County Grand Traverse County Houghton County Iron County Kalkaska County Keweenaw County Leelanau County Luce County Mackinac County Manistee County Marquette County Menominee County Missaukee County Montmorency County Ontonagon County Oscoda County Otsego County Presque Isle County Schoolcraft County Wexford County 1 This date is November 15, 1990, unless otherwise noted. Michigan—Ozone (1-Hour Standard) 4 Designated area Designation Classification Date 1 Type Date 1 Type Allegan County Area: Allegan County January 16, 2001 Attainment Barry County Area: Barry County Unclassifiable/Attainment Battle Creek Area: Calhoun County Unclassifiable/Attainment Benton Harbor Area: Berrien County Unclassifiable/Attainment Branch County Area: Branch County Unclassifiable/Attainment Cass County Area: Cass County Unclassifiable/Attainment Detroit-Ann Arbor Area: Livingston County Attainment Macomb County Attainment Monroe County Attainment Oakland County Attainment St. Clair County Attainment Washtenaw County Attainment Wayne County Attainment Flint Area: Genesee County January 16, 2001 Attainment Grand Rapids Area: Kent County Attainment Ottawa County Attainment Gratiot County Area: Gratiot County Unclassifiable/Attainment Hillsdale County Area: Hillsdale County Unclassifiable/Attainment Huron County Area: Huron County Unclassifiable/Attainment Ionia County Area: Ionia County Unclassifiable/Attainment Jackson Area: Jackson County Unclassifiable/Attainment Kalamazoo Area: Kalamazoo County Unclassifiable/Attainment Lansing-East Lansing Area: Clinton County Unclassifiable/Attainment Eaton County Unclassifiable/Attainment Ingham County Unclassifiable/Attainment Lapeer County Area: Lapeer County Unclassifiable/Attainment Lenawee County Area: Lenawee County Unclassifiable/Attainment Montcalm Area: Montcalm County Unclassifiable/Attainment Muskegon Area: Muskegon County October 18, 2000 Attainment Saginaw-Bay City-Midland Area: Bay County January 16, 2001 Attainment Midland County January 16, 2001 Attainment Saginaw County January 16, 2001 Attainment Sanilac County Area: Sanilac County Unclassifiable/Attainment Shiawassee County Area: Shiawassee County Unclassifiable/Attainment St. Joseph County Area: St. Joseph County Unclassifiable/Attainment Tuscola County Area: Tuscola County Unclassifiable/Attainment Van Buren County Area: Van Buren County Unclassifiable/Attainment AQCR 122 Central Michigan Intrastate (Remainder of): Unclassifiable/Attainment Arenac County Clare County Gladwin County Iosco County Isabella County Lake County Mason County Mecosta County Newaygo County Oceana County Ogemaw County Osceola County Roscommon County AQCR 126 Upper Michigan Intrastate (part) Marquette County Unclassifiable/Attainment AQCR 126 Upper Michigan Intrastate (Remainder of): Unclassifiable/Attainment Alcona County Alger County Alpena County Antrim County Baraga County Benzie County Charlevoix County Cheboygan County Chippewa County Crawford County Delta County Dickinson County Emmet County Gogebic County Grand Traverse County Houghton County Iron County Kalkaska County Keweenaw County Leelanau County Luce County Mackinac County Manistee County Menominee County Missaukee County Montmorency County Ontonagon County Oscoda County Otsego County Presque Isle County Schoolcraft County Wexford County 1 This date is October 18, 2000, unless otherwise noted. 2 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. 3 This date is January 16, 2001. 4 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. Michigan—PM-10 Designated Area Designation Classification Date Type Date Type Wayne 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 Rest of State 11/15/1990 Unclassifiable Michigan—1997 Annual PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Detroit-Ann Arbor, MI: 8/29/2013 Attainment.. Livingston County Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Rest of State: Alcona County Unclassifiable/Attainment. Alger County Unclassifiable/Attainment. Allegan County Unclassifiable/Attainment. Alpena County Unclassifiable/Attainment. Antrim County Unclassifiable/Attainment. Arenac County Unclassifiable/Attainment. Baraga County Unclassifiable/Attainment. Barry County Unclassifiable/Attainment. Bay County Unclassifiable/Attainment. Benzie County Unclassifiable/Attainment. Berrien County Unclassifiable/Attainment. Branch County Unclassifiable/Attainment. Calhoun County Unclassifiable/Attainment. Cass County Unclassifiable/Attainment. Charlevoix County Unclassifiable/Attainment. Cheboygan County Unclassifiable/Attainment. Chippewa County Unclassifiable/Attainment. Clare County Unclassifiable/Attainment. Clinton County Unclassifiable/Attainment. Crawford County Unclassifiable/Attainment. Delta County Unclassifiable/Attainment. Dickinson County Unclassifiable/Attainment. Eaton County Unclassifiable/Attainment. Emmet County Unclassifiable/Attainment. Genesee County Unclassifiable/Attainment. Gladwin County Unclassifiable/Attainment. Gogebic County Unclassifiable/Attainment. Grand Traverse County Unclassifiable/Attainment. Gratiot County Unclassifiable/Attainment. Hillsdale County Unclassifiable/Attainment. Houghton County Unclassifiable/Attainment. Huron County Unclassifiable/Attainment. Ingham County Unclassifiable/Attainment. Ionia County Unclassifiable/Attainment. Iosco County Unclassifiable/Attainment. Iron County Unclassifiable/Attainment. Isabella County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Kalamazoo County Unclassifiable/Attainment. Kalkaska County Unclassifiable/Attainment. Kent County Unclassifiable/Attainment. Keweenaw County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lapeer County Unclassifiable/Attainment. Leelanau County Unclassifiable/Attainment. Lenawee County Unclassifiable/Attainment. Luce County Unclassifiable/Attainment. Mackinac County Unclassifiable/Attainment. Manistee County Unclassifiable/Attainment. Marquette County Unclassifiable/Attainment. Mason County Unclassifiable/Attainment. Mecosta County Unclassifiable/Attainment. Menominee County Unclassifiable/Attainment. Midland County Unclassifiable/Attainment. Missaukee County Unclassifiable/Attainment. Montcalm County Unclassifiable/Attainment. Montmorency County Unclassifiable/Attainment. Muskegon County Unclassifiable/Attainment. Newaygo County Unclassifiable/Attainment. Oceana County Unclassifiable/Attainment. Ogemaw County Unclassifiable/Attainment. Ontonagon County Unclassifiable/Attainment. Osceola County Unclassifiable/Attainment. Oscoda County Unclassifiable/Attainment. Otsego County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Presque Isle County Unclassifiable/Attainment. Roscommon County Unclassifiable/Attainment. Saginaw County Unclassifiable/Attainment. St. Joseph County Unclassifiable/Attainment. Sanilac County Unclassifiable/Attainment. Schoolcraft County Unclassifiable/Attainment. Shiawassee County Unclassifiable/Attainment. Tuscola County Unclassifiable/Attainment. Van Buren County Unclassifiable/Attainment. Wexford County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. Michigan—2012 Annual PM 2.5 NAAQS [Primary] Designated area 1 Designation Classification Date 2 Type Date 2 Type Statewide: Alcona County Unclassifiable/Attainment Alger County Unclassifiable/Attainment Allegan County Unclassifiable/Attainment Alpena County Unclassifiable/Attainment Antrim County Unclassifiable/Attainment Arenac County Unclassifiable/Attainment Baraga County Unclassifiable/Attainment Barry County Unclassifiable/Attainment Bay County Unclassifiable/Attainment Benzie County Unclassifiable/Attainment Berrien County Unclassifiable/Attainment Branch County Unclassifiable/Attainment Calhoun County Unclassifiable/Attainment Cass County Unclassifiable/Attainment Charlevoix County Unclassifiable/Attainment Cheboygan County Unclassifiable/Attainment Chippewa County Unclassifiable/Attainment Clare County Unclassifiable/Attainment Clinton County Unclassifiable/Attainment Crawford County Unclassifiable/Attainment Delta County Unclassifiable/Attainment Dickinson County Unclassifiable/Attainment Eaton County Unclassifiable/Attainment Emmet County Unclassifiable/Attainment Genesee County Unclassifiable/Attainment Gladwin County Unclassifiable/Attainment Gogebic County Unclassifiable/Attainment Grand Traverse County Unclassifiable/Attainment Gratiot County Unclassifiable/Attainment Hillsdale County Unclassifiable/Attainment Houghton County Unclassifiable/Attainment Huron County Unclassifiable/Attainment Ingham County Unclassifiable/Attainment Ionia County Unclassifiable/Attainment Iosco County Unclassifiable/Attainment Iron County Unclassifiable/Attainment Isabella County Unclassifiable/Attainment Jackson County Unclassifiable/Attainment Kalamazoo County Unclassifiable/Attainment Kalkaska County Unclassifiable/Attainment Kent County Unclassifiable/Attainment Keweenaw County Unclassifiable/Attainment Lake County Unclassifiable/Attainment Lapeer County Unclassifiable/Attainment Leelanau County Unclassifiable/Attainment Lenawee County Unclassifiable/Attainment Livingston County Unclassifiable/Attainment Luce County Unclassifiable/Attainment Mackinac County Unclassifiable/Attainment Macomb County Unclassifiable/Attainment Manistee County Unclassifiable/Attainment Marquette County Unclassifiable/Attainment Mason County Unclassifiable/Attainment Mecosta County Unclassifiable/Attainment Menominee County Unclassifiable/Attainment Midland County Unclassifiable/Attainment Missaukee County Unclassifiable/Attainment Monroe County Unclassifiable/Attainment Montcalm County Unclassifiable/Attainment Montmorency County Unclassifiable/Attainment Muskegon County Unclassifiable/Attainment Newaygo County Unclassifiable/Attainment Oakland County Unclassifiable/Attainment Oceana County Unclassifiable/Attainment Ogemaw County Unclassifiable/Attainment Ontonagon County Unclassifiable/Attainment Osceola County Unclassifiable/Attainment Oscoda County Unclassifiable/Attainment Otsego County Unclassifiable/Attainment Ottawa County Unclassifiable/Attainment Presque Isle County Unclassifiable/Attainment Roscommon County Unclassifiable/Attainment Saginaw County Unclassifiable/Attainment St. Clair County Unclassifiable/Attainment St. Joseph County Unclassifiable/Attainment Sanilac County Unclassifiable/Attainment Schoolcraft County Unclassifiable/Attainment Shiawassee County Unclassifiable/Attainment Tuscola County Unclassifiable/Attainment Van Buren County Unclassifiable/Attainment Washtenaw County Unclassifiable/Attainment Wayne County Unclassifiable/Attainment Wexford County Unclassifiable/Attainment 1 Includes areas of Indian country located in each county or area, except as otherwise specified. 2 This date is April 15, 2015, unless otherwise noted. Michigan—1997 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Detroit-Ann Arbor, MI: Livingston County Unclassifiable/Attainment. Macomb County Unclassifiable/Attainment. Monroe County Unclassifiable/Attainment. Oakland County Unclassifiable/Attainment. St. Clair County Unclassifiable/Attainment. Washtenaw County Unclassifiable/Attainment. Wayne County Unclassifiable/Attainment. Rest of State: Alcona County Unclassifiable/Attainment. Alger County Unclassifiable/Attainment. Allegan County Unclassifiable/Attainment. Alpena County Unclassifiable/Attainment. Antrim County Unclassifiable/Attainment. Arenac County Unclassifiable/Attainment. Baraga County Unclassifiable/Attainment. Barry County Unclassifiable/Attainment. Bay County Unclassifiable/Attainment. Benzie County Unclassifiable/Attainment. Berrien County Unclassifiable/Attainment. Branch County Unclassifiable/Attainment. Calhoun County Unclassifiable/Attainment. Cass County Unclassifiable/Attainment. Charlevoix County Unclassifiable/Attainment. Cheboygan County Unclassifiable/Attainment. Chippewa County Unclassifiable/Attainment. Clare County Unclassifiable/Attainment. Clinton County Unclassifiable/Attainment. Crawford County Unclassifiable/Attainment. Delta County Unclassifiable/Attainment. Dickinson County Unclassifiable/Attainment. Eaton County Unclassifiable/Attainment. Emmet County Unclassifiable/Attainment. Genesee County Unclassifiable/Attainment. Gladwin County Unclassifiable/Attainment. Gogebic County Unclassifiable/Attainment. Grand Traverse County Unclassifiable/Attainment. Gratiot County Unclassifiable/Attainment. Hillsdale County Unclassifiable/Attainment. Houghton County Unclassifiable/Attainment. Huron County Unclassifiable/Attainment. Ingham County Unclassifiable/Attainment. Ionia County Unclassifiable/Attainment. Iosco County Unclassifiable/Attainment. Iron County Unclassifiable/Attainment. Isabella County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Kalamazoo County Unclassifiable/Attainment. Kalkaska County Unclassifiable/Attainment. Kent County Unclassifiable/Attainment. Keweenaw County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lapeer County Unclassifiable/Attainment. Leelanau County Unclassifiable/Attainment. Lenawee County Unclassifiable/Attainment. Luce County Unclassifiable/Attainment. Mackinac County Unclassifiable/Attainment. Manistee County Unclassifiable/Attainment. Marquette County Unclassifiable/Attainment. Mason County Unclassifiable/Attainment. Mecosta County Unclassifiable/Attainment. Menominee County Unclassifiable/Attainment. Midland County Unclassifiable/Attainment. Missaukee County Unclassifiable/Attainment. Montcalm County Unclassifiable/Attainment. Montmorency County Unclassifiable/Attainment. Muskegon County Unclassifiable/Attainment. Newaygo County Unclassifiable/Attainment. Oceana County Unclassifiable/Attainment. Ogemaw County Unclassifiable/Attainment. Ontonagon County Unclassifiable/Attainment. Osceola County Unclassifiable/Attainment. Oscoda County Unclassifiable/Attainment. Otsego County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Presque Isle County Unclassifiable/Attainment. Roscommon County Unclassifiable/Attainment. Saginaw County Unclassifiable/Attainment. St. Joseph County Unclassifiable/Attainment. Sanilac County Unclassifiable/Attainment. Schoolcraft County Unclassifiable/Attainment. Shiawassee County Unclassifiable/Attainment. Tuscola County Unclassifiable/Attainment. Van Buren County Unclassifiable/Attainment. Wexford County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after January 5, 2005, unless otherwise noted. Michigan—2006 24-Hour PM 2.5 NAAQS [Primary and Secondary] Designated area Designation a Classification Date 1 Type Date Type Detroit-Ann Arbor, MI: 8/29/2013 Attainment. Livingston County Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Rest of State: Alcona County Unclassifiable/Attainment. Alger County Unclassifiable/Attainment. Allegan County Unclassifiable/Attainment. Alpena County Unclassifiable/Attainment. Antrim County Unclassifiable/Attainment. Arenac County Unclassifiable/Attainment. Baraga County Unclassifiable/Attainment. Barry County Unclassifiable/Attainment. Bay County Unclassifiable/Attainment. Benzie County Unclassifiable/Attainment. Berrien County Unclassifiable/Attainment. Branch County Unclassifiable/Attainment. Calhoun County Unclassifiable/Attainment. Cass County Unclassifiable/Attainment. Charlevoix County Unclassifiable/Attainment. Cheboygan County Unclassifiable/Attainment. Chippewa County Unclassifiable/Attainment. Clare County Unclassifiable/Attainment. Clinton County Unclassifiable/Attainment. Crawford County Unclassifiable/Attainment. Delta County Unclassifiable/Attainment. Dickinson County Unclassifiable/Attainment. Eaton County Unclassifiable/Attainment. Emmet County Unclassifiable/Attainment. Genesee County Unclassifiable/Attainment. Gladwin County Unclassifiable/Attainment. Gogebic County Unclassifiable/Attainment. Grand Traverse County Unclassifiable/Attainment. Gratiot County Unclassifiable/Attainment. Hillsdale County Unclassifiable/Attainment. Houghton County Unclassifiable/Attainment. Huron County Unclassifiable/Attainment. Ingham County Unclassifiable/Attainment. Ionia County Unclassifiable/Attainment. Iosco County Unclassifiable/Attainment. Iron County Unclassifiable/Attainment. Isabella County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Kalamazoo County Unclassifiable/Attainment. Kalkaska County Unclassifiable/Attainment. Kent County Unclassifiable/Attainment. Keweenaw County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lapeer County Unclassifiable/Attainment. Leelanau County Unclassifiable/Attainment. Lenawee County Unclassifiable/Attainment. Luce County Unclassifiable/Attainment. Mackinac County Unclassifiable/Attainment. Manistee County Unclassifiable/Attainment. Marquette County Unclassifiable/Attainment. Mason County Unclassifiable/Attainment. Mecosta County Unclassifiable/Attainment. Menominee County Unclassifiable/Attainment. Midland County Unclassifiable/Attainment. Missaukee County Unclassifiable/Attainment. Montcalm County Unclassifiable/Attainment. Montmorency County Unclassifiable/Attainment. Muskegon County Unclassifiable/Attainment. Newaygo County Unclassifiable/Attainment. Oceana County Unclassifiable/Attainment. Ogemaw County Unclassifiable/Attainment. Ontonagon County Unclassifiable/Attainment. Osceola County Unclassifiable/Attainment. Oscoda County Unclassifiable/Attainment. Otsego County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Presque Isle County Unclassifiable/Attainment. Roscommon County Unclassifiable/Attainment. Saginaw County Unclassifiable/Attainment. St. Joseph County Unclassifiable/Attainment. Sanilac County Unclassifiable/Attainment. Schoolcraft County Unclassifiable/Attainment. Shiawassee County Unclassifiable/Attainment. Tuscola County Unclassifiable/Attainment. Van Buren County Unclassifiable/Attainment. Wexford County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 30 days after November 13, 2009, unless otherwise noted. Michigan—NO 2 (1971 Annual Standard) Designated area Does not meet primary standards Cannot be classified or better than national standards State of Michigan X Michigan—NO 2 (2010 1-Hour Standard) Designated area Designation a Date 1 Type Alcona County Unclassifiable/Attainment. Alger County Unclassifiable/Attainment. Allegan County Unclassifiable/Attainment. Alpena County Unclassifiable/Attainment. Antrim County Unclassifiable/Attainment. Arenac County Unclassifiable/Attainment. Baraga County Unclassifiable/Attainment. Barry County Unclassifiable/Attainment. Bay County Unclassifiable/Attainment. Benzie County Unclassifiable/Attainment. Berrien County Unclassifiable/Attainment. Branch County Unclassifiable/Attainment. Calhoun County Unclassifiable/Attainment. Cass County Unclassifiable/Attainment. Charlevoix County Unclassifiable/Attainment. Cheboygan County Unclassifiable/Attainment. Chippewa County Unclassifiable/Attainment. Clare County Unclassifiable/Attainment. Clinton County Unclassifiable/Attainment. Crawford County Unclassifiable/Attainment. Delta County Unclassifiable/Attainment. Dickinson County Unclassifiable/Attainment. Eaton County Unclassifiable/Attainment. Emmet County Unclassifiable/Attainment. Genesee County Unclassifiable/Attainment. Gladwin County Unclassifiable/Attainment. Gogebic County Unclassifiable/Attainment. Grand Traverse County Unclassifiable/Attainment. Gratiot County Unclassifiable/Attainment. Hillsdale County Unclassifiable/Attainment. Houghton County Unclassifiable/Attainment. Huron County Unclassifiable/Attainment. Ingham County Unclassifiable/Attainment. Ionia County Unclassifiable/Attainment. Iosco County Unclassifiable/Attainment. Iron County Unclassifiable/Attainment. Isabella County Unclassifiable/Attainment. Jackson County Unclassifiable/Attainment. Kalamazoo County Unclassifiable/Attainment. Kalkaska County Unclassifiable/Attainment. Kent County Unclassifiable/Attainment. Keweenaw County Unclassifiable/Attainment. Lake County Unclassifiable/Attainment. Lapeer County Unclassifiable/Attainment. Leelanau County Unclassifiable/Attainment. Lenawee County Unclassifiable/Attainment. Livingston County Unclassifiable/Attainment. Luce County Unclassifiable/Attainment. Mackinac County Unclassifiable/Attainment. Macomb County Unclassifiable/Attainment. Manistee County Unclassifiable/Attainment. Marquette County Unclassifiable/Attainment. Mason County Unclassifiable/Attainment. Mecosta County Unclassifiable/Attainment. Menominee County Unclassifiable/Attainment. Midland County Unclassifiable/Attainment. Missaukee County Unclassifiable/Attainment. Monroe County Unclassifiable/Attainment. Montcalm County Unclassifiable/Attainment. Montmorency County Unclassifiable/Attainment. Muskegon County Unclassifiable/Attainment. Newaygo County Unclassifiable/Attainment. Oakland County Unclassifiable/Attainment. Oceana County Unclassifiable/Attainment. Ogemaw County Unclassifiable/Attainment. Ontonagon County Unclassifiable/Attainment. Osceola County Unclassifiable/Attainment. Oscoda County Unclassifiable/Attainment. Otsego County Unclassifiable/Attainment. Ottawa County Unclassifiable/Attainment. Presque Isle County Unclassifiable/Attainment. Roscommon County Unclassifiable/Attainment. Saginaw County Unclassifiable/Attainment. St. Clair County Unclassifiable/Attainment. St. Joseph County Unclassifiable/Attainment. Sanilac County Unclassifiable/Attainment. Schoolcraft County Unclassifiable/Attainment. Shiawassee County Unclassifiable/Attainment. Tuscola County Unclassifiable/Attainment. Van Buren County Unclassifiable/Attainment. Washtenaw County Unclassifiable/Attainment. Wayne County Unclassifiable/Attainment. Wexford County Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is 90 days after October 31, 2011, unless otherwise noted. Michigan—1997 8-Hour Ozone NAAQS [Primary and Secondary] Designated area Designation a Category/classification Date 1 Type Date 1 Type Allegan County, MI: Allegan County 9/24/2010 Attainment Barry County Area: Benton Harbor, MI: Berrien County 5/16/2007 Attainment Benzie County, MI: Benzie County 5/16/2007 Attainment Branch County Area: Branch County Unclassifiable/Attainment Cass County, MI: Cass County 5/16/2007 Attainment Detroit-Ann Arbor, MI: Lenawee County 6/29/2009 Attainment Livingston County. Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Flint, MI: Genesee County 5/16/2007 Attainment Lapeer County Grand Rapids, MI: Kent County 5/16/2007 Attainment Ottawa County Gratiot County Area: Gratiot County Unclassifiable/Attainment Hillsdale County Area: Hillsdale County Unclassifiable/Attainment Huron County, MI: Huron County 5/16/2007 Attainment Ionia County Area: Ionia County Unclassifiable/Attainment Jackson Area: Jackson County Unclassifiable/Attainment Kalamazoo-Battle Creek, MI: Calhoun County 5/16/2007 Attainment Kalamazoo County Van Buren County Lansing-East Lansing, MI: Clinton County 5/16/2007 Attainment Eaton County Ingham County Mason County, MI: Mason County 5/16/2007 Attainment Montcalm Area: Montcalm County Unclassifiable/Attainment Muskegon, MI: Muskegon County 5/16/2007 Attainment Saginaw-Bay City-Midland Area: Bay County Unclassifiable/Attainment Midland County Unclassifiable/Attainment Saginaw County Unclassifiable/Attainment Sanilac County Area: Sanilac County Unclassifiable/Attainment Shiawassee County Area: Shiawassee County Unclassifiable/Attainment St Joseph County Area: St Joseph County Unclassifiable/Attainment Tuscola County Area: Tuscola County Unclassifiable/Attainment AQCR 122 Central Michigan Intrastate (remainder of) Unclassifiable/Attainment Arenac County Clare County Gladwin County Iosco County Isabella County Lake County Mecosta County Newaygo County Oceana County Ogemaw County Osceola County Roscommon County AQCR 126 Upper Michigan Intrastate (part) Unclassifiable/Attainment Marquette County AQCR 126 Upper Michigan Intrastate (remainder of) Unclassifiable/Attainment Alcona County Alger County Alpena County Antrim County Baraga County Charlevoix County Cheboygan County Chippewa County Crawford County Delta County Dickinson County Emmet County Gogebic County Grand Traverse County Houghton County Iron County Kalkaska County Keweenaw County Leelanau County Luce County Mackinac County Manistee County Menominee County Missaukee County Montmorency County Ontonagon County Oscoda County Otsego County Presque Isle County Schoolcraft County Wexford County a Includes Indian Country located in each county or area, except as otherwise specified. 1 This date is June 15, 2004, unless otherwise noted. 2 November 22, 2004. Michigan—2008 8-Hour Ozone NAAQS [Primary and Secondary] Designated area Designation Classification Date 1 Type Date 1 Type Statewide and Any Areas of Indian Country Unclassifiable/Attainment 1 This date is July 20, 2012, unless otherwise noted. Michigan—2015 8-Hour Ozone NAAQS [Primary and Secondary] Designated area 1 Designation Classification Date 2 Type Date 2 Type Allegan County, MI Nonattainment 1/16/2025 Serious. Allegan County (part): Casco 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. Berrien County, MI: Nonattainment 1/16/2025 Serious. Berrien County. Detroit, MI Nonattainment March 1, 2023 Moderate. Livingston County. Macomb County. Monroe County. Oakland County. St. Clair County. Washtenaw County. Wayne County. Muskegon County, MI Nonattainment 1/16/2025 Serious. Muskegon County (part): Blue 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. Alcona County 1/16/2018 Attainment/Unclassifiable Alger County 1/16/2018 Attainment/Unclassifiable Allegan County (part) remainder Attainment/Unclassifiable Alpena County 1/16/2018 Attainment/Unclassifiable Antrim County 1/16/2018 Attainment/Unclassifiable Arenac County 1/16/2018 Attainment/Unclassifiable Baraga County 1/16/2018 Attainment/Unclassifiable Barry County Attainment/Unclassifiable Bay County 1/16/2018 Attainment/Unclassifiable Benzie County 1/16/2018 Attainment/Unclassifiable Branch County 1/16/2018 Attainment/Unclassifiable Calhoun County 1/16/2018 Attainment/Unclassifiable Cass County Attainment/Unclassifiable Charlevoix County 1/16/2018 Attainment/Unclassifiable Cheboygan County 1/16/2018 Attainment/Unclassifiable Chippewa County 1/16/2018 Attainment/Unclassifiable Clare County 1/16/2018 Attainment/Unclassifiable Clinton County 1/16/2018 Attainment/Unclassifiable Crawford County 1/16/2018 Attainment/Unclassifiable Delta County 1/16/2018 Attainment/Unclassifiable Dickinson County 1/16/2018 Attainment/Unclassifiable Eaton County 1/16/2018 Attainment/Unclassifiable Emmet County 1/16/2018 Attainment/Unclassifiable Genesee County Attainment/Unclassifiable Gladwin County 1/16/2018 Attainment/Unclassifiable Gogebic County 1/16/2018 Attainment/Unclassifiable Grand Traverse County 1/16/2018 Attainment/Unclassifiable Gratiot County 1/16/2018 Attainment/Unclassifiable Hillsdale County 1/16/2018 Attainment/Unclassifiable Houghton County 1/16/2018 Attainment/Unclassifiable Huron County 1/16/2018 Attainment/Unclassifiable Ingham County 1/16/2018 Attainment/Unclassifiable Ionia County Attainment/Unclassifiable Iosco County 1/16/2018 Attainment/Unclassifiable Iron County 1/16/2018 Attainment/Unclassifiable Isabella County 1/16/2018 Attainment/Unclassifiable Jackson County 1/16/2018 Attainment/Unclassifiable Kalamazoo County Attainment/Unclassifiable Kalkaska County 1/16/2018 Attainment/Unclassifiable Kent County Attainment/Unclassifiable Keweenaw County 1/16/2018 Attainment/Unclassifiable Lake County 1/16/2018 Attainment/Unclassifiable Lapeer County Attainment/Unclassifiable Leelanau County 1/16/2018 Attainment/Unclassifiable Lenawee County Attainment/Unclassifiable Luce County 1/16/2018 Attainment/Unclassifiable Mackinac County 1/16/2018 Attainment/Unclassifiable Manistee County 1/16/2018 Attainment/Unclassifiable Marquette County 1/16/2018 Attainment/Unclassifiable Mason County 1/16/2018 Attainment/Unclassifiable Mecosta County Attainment/Unclassifiable Menominee County 1/16/2018 Attainment/Unclassifiable Midland County 1/16/2018 Attainment/Unclassifiable Missaukee County 1/16/2018 Attainment/Unclassifiable Montcalm County Attainment/Unclassifiable Montmorency County 1/16/2018 Attainment/Unclassifiable Muskegon County (part) remainder Attainment/Unclassifiable Newaygo County Attainment/Unclassifiable Oceana County Attainment/Unclassifiable Ogemaw County 1/16/2018 Attainment/Unclassifiable Ontonagon County 1/16/2018 Attainment/Unclassifiable Osceola County 1/16/2018 Attainment/Unclassifiable Oscoda County 1/16/2018 Attainment/Unclassifiable Otsego County 1/16/2018 Attainment/Unclassifiable Ottawa County Attainment/Unclassifiable Presque Isle County 1/16/2018 Attainment/Unclassifiable Roscommon County 1/16/2018 Attainment/Unclassifiable Saginaw County 1/16/2018 Attainment/Unclassifiable St. Joseph County 1/16/2018 Attainment/Unclassifiable Sanilac County Attainment/Unclassifiable Schoolcraft County 1/16/2018 Attainment/Unclassifiable Shiawassee County 1/16/2018 Attainment/Unclassifiable Tuscola County 1/16/2018 Attainment/Unclassifiable Van Buren County Attainment/Unclassifiable Wexford County 1/16/2018 Attainment/Unclassifiable 1 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. 2 This date is August 3, 2018, unless otherwise noted. Michigan—2008 Lead NAAQS Designated area Designation for the 2008 NAAQS a Date 1 Type Belding, MI: Ionia County (part) 5/31/2017 Attainment. The 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. Rest of State Unclassifiable/Attainment. a Includes Indian Country located in each county or area, except as otherwise specified. 1 December 31, 2011 unless otherwise noted. [43 FR 8964, Mar. 3, 1978] Editorial Note: For Federal Register citations affecting § 81.323, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and at www.govinfo.gov.