1. Regulations
  2. title 40
  3. chapter I-i19
  4. part 81
  5. subpart C
  6. § 81.323

View all text of Subpart C [§ 81.300 - § 81.356]

§ 81.323 - 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 7-36X AQCR 123X AQCR 124 (Michigan portion)X AQCR 125X AQCR 126X

Michigan—2010 Sulfur Dioxide NAAQS

[Primary]

Designated area 1Designation Date 2Type Detroit, MI10/4/13Nonattainment. 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, MI9/12/16Nonattainment. 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, MI9/12/16Attainment/Unclassifiable. Bay County Lansing, MI9/12/16Attainment/Unclassifiable. Eaton County Ingham County Marquette County, MI9/12/16Attainment/Unclassifiable. Marquette County Monroe County, MI9/12/16Attainment/Unclassifiable. Monroe County Ottawa County, MI9/12/16Attainment/Unclassifiable. Ottawa County Alcona CountyAttainment/Unclassifiable. Alger CountyAttainment/Unclassifiable. Allegan CountyAttainment/Unclassifiable. Alpena CountyAttainment/Unclassifiable. Antrim CountyAttainment/Unclassifiable. Arenac CountyAttainment/Unclassifiable. Baraga CountyAttainment/Unclassifiable. Barry CountyAttainment/Unclassifiable. Benzie CountyAttainment/Unclassifiable. Berrien CountyAttainment/Unclassifiable. Branch CountyAttainment/Unclassifiable. Calhoun CountyAttainment/Unclassifiable. Cass CountyAttainment/Unclassifiable. Charlevoix CountyAttainment/Unclassifiable. Cheboygan CountyAttainment/Unclassifiable. Chippewa CountyAttainment/Unclassifiable. Clare CountyAttainment/Unclassifiable. Clinton CountyAttainment/Unclassifiable. Crawford CountyAttainment/Unclassifiable. Delta CountyAttainment/Unclassifiable. Dickinson CountyAttainment/Unclassifiable. Emmet CountyAttainment/Unclassifiable. Genesee CountyAttainment/Unclassifiable. Gladwin CountyAttainment/Unclassifiable. Gogebic CountyAttainment/Unclassifiable. Grand Traverse CountyAttainment/Unclassifiable. Gratiot CountyAttainment/Unclassifiable. Hillsdale CountyAttainment/Unclassifiable. Houghton CountyAttainment/Unclassifiable. Huron CountyAttainment/Unclassifiable. Ionia CountyAttainment/Unclassifiable. Iosco CountyAttainment/Unclassifiable. Iron CountyAttainment/Unclassifiable. Isabella CountyAttainment/Unclassifiable. Jackson CountyAttainment/Unclassifiable. Kalamazoo CountyAttainment/Unclassifiable. Kalkaska CountyAttainment/Unclassifiable. Kent CountyAttainment/Unclassifiable. Keweenaw CountyAttainment/Unclassifiable. Lake CountyAttainment/Unclassifiable. Lapeer CountyAttainment/Unclassifiable. Leelanau CountyAttainment/Unclassifiable. Lenawee CountyAttainment/Unclassifiable. Livingston CountyAttainment/Unclassifiable. Luce CountyAttainment/Unclassifiable. Mackinac CountyAttainment/Unclassifiable. Macomb CountyAttainment/Unclassifiable. Manistee CountyAttainment/Unclassifiable. Mason CountyAttainment/Unclassifiable. Mecosta CountyAttainment/Unclassifiable. Menominee CountyAttainment/Unclassifiable. Midland CountyAttainment/Unclassifiable. Missaukee CountyAttainment/Unclassifiable. Montcalm CountyAttainment/Unclassifiable. Montmorency CountyAttainment/Unclassifiable. Muskegon CountyAttainment/Unclassifiable. Newaygo CountyAttainment/Unclassifiable. Oakland CountyAttainment/Unclassifiable. Oceana CountyAttainment/Unclassifiable. Ogemaw CountyAttainment/Unclassifiable. Ontonagon CountyAttainment/Unclassifiable. Osceola CountyAttainment/Unclassifiable. Oscoda CountyAttainment/Unclassifiable. Otsego CountyAttainment/Unclassifiable. Presque Isle CountyAttainment/Unclassifiable. Roscommon CountyAttainment/Unclassifiable. Saginaw CountyAttainment/Unclassifiable. St. Clair County (remainder)Attainment/Unclassifiable. St. Joseph CountyAttainment/Unclassifiable. Sanilac CountyAttainment/Unclassifiable. Schoolcraft CountyAttainment/Unclassifiable. Shiawassee CountyAttainment/Unclassifiable. Tuscola CountyAttainment/Unclassifiable. Van Buren CountyAttainment/Unclassifiable. Washtenaw CountyAttainment/Unclassifiable. Wayne County (remainder)Attainment/Unclassifiable. Wexford CountyAttainment/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 1Type Date 1Type 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, 1999Attainment Oakland County (part)August 30, 1999Attainment Wayne County (part)August 30, 1999Attainment AQCR 082 South Bend-Elkhart-Benton Harbor InterstateUnclassifiable/Attainment Berrien County Cass County Van Buren County AQCR 122 Central Michigan IntrastateUnclassifiable/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 InterstateUnclassifiable/Attainment Monroe County AQCR 125 South Central Michigan IntrastateUnclassifiable/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 IntrastateUnclassifiable/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 1Type Date 1Type Allegan County Area: Allegan CountyJanuary 16, 2001Attainment Barry County Area: Barry CountyUnclassifiable/Attainment Battle Creek Area: Calhoun CountyUnclassifiable/Attainment Benton Harbor Area: Berrien CountyUnclassifiable/Attainment Branch County Area: Branch CountyUnclassifiable/Attainment Cass County Area: Cass CountyUnclassifiable/Attainment Detroit-Ann Arbor Area: Livingston CountyAttainment Macomb CountyAttainment Monroe CountyAttainment Oakland CountyAttainment St. Clair CountyAttainment Washtenaw CountyAttainment Wayne CountyAttainment Flint Area: Genesee CountyJanuary 16, 2001Attainment Grand Rapids Area: Kent CountyAttainment Ottawa CountyAttainment Gratiot County Area: Gratiot CountyUnclassifiable/Attainment Hillsdale County Area: Hillsdale CountyUnclassifiable/Attainment Huron County Area: Huron CountyUnclassifiable/Attainment Ionia County Area: Ionia CountyUnclassifiable/Attainment Jackson Area: Jackson CountyUnclassifiable/Attainment Kalamazoo Area: Kalamazoo CountyUnclassifiable/Attainment Lansing-East Lansing Area: Clinton CountyUnclassifiable/Attainment Eaton CountyUnclassifiable/Attainment Ingham CountyUnclassifiable/Attainment Lapeer County Area: Lapeer CountyUnclassifiable/Attainment Lenawee County Area: Lenawee CountyUnclassifiable/Attainment Montcalm Area: Montcalm CountyUnclassifiable/Attainment Muskegon Area: Muskegon CountyOctober 18, 2000Attainment Saginaw-Bay City-Midland Area: Bay CountyJanuary 16, 2001Attainment Midland CountyJanuary 16, 2001Attainment Saginaw CountyJanuary 16, 2001Attainment Sanilac County Area: Sanilac CountyUnclassifiable/Attainment Shiawassee County Area: Shiawassee CountyUnclassifiable/Attainment St. Joseph County Area: St. Joseph CountyUnclassifiable/Attainment Tuscola County Area: Tuscola CountyUnclassifiable/Attainment Van Buren County Area: Van Buren CountyUnclassifiable/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 CountyUnclassifiable/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 Avenue10/4/96Attainment Rest of State11/15/90Unclassifiable

Michigan—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date Type Detroit-Ann Arbor, MI:8/29/13Attainment.. Livingston County Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Rest of State: Alcona CountyUnclassifiable/Attainment. Alger CountyUnclassifiable/Attainment. Allegan CountyUnclassifiable/Attainment. Alpena CountyUnclassifiable/Attainment. Antrim CountyUnclassifiable/Attainment. Arenac CountyUnclassifiable/Attainment. Baraga CountyUnclassifiable/Attainment. Barry CountyUnclassifiable/Attainment. Bay CountyUnclassifiable/Attainment. Benzie CountyUnclassifiable/Attainment. Berrien CountyUnclassifiable/Attainment. Branch CountyUnclassifiable/Attainment. Calhoun CountyUnclassifiable/Attainment. Cass CountyUnclassifiable/Attainment. Charlevoix CountyUnclassifiable/Attainment. Cheboygan CountyUnclassifiable/Attainment. Chippewa CountyUnclassifiable/Attainment. Clare CountyUnclassifiable/Attainment. Clinton CountyUnclassifiable/Attainment. Crawford CountyUnclassifiable/Attainment. Delta CountyUnclassifiable/Attainment. Dickinson CountyUnclassifiable/Attainment. Eaton CountyUnclassifiable/Attainment. Emmet CountyUnclassifiable/Attainment. Genesee CountyUnclassifiable/Attainment. Gladwin CountyUnclassifiable/Attainment. Gogebic CountyUnclassifiable/Attainment. Grand Traverse CountyUnclassifiable/Attainment. Gratiot CountyUnclassifiable/Attainment. Hillsdale CountyUnclassifiable/Attainment. Houghton CountyUnclassifiable/Attainment. Huron CountyUnclassifiable/Attainment. Ingham CountyUnclassifiable/Attainment. Ionia CountyUnclassifiable/Attainment. Iosco CountyUnclassifiable/Attainment. Iron CountyUnclassifiable/Attainment. Isabella CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Kalamazoo CountyUnclassifiable/Attainment. Kalkaska CountyUnclassifiable/Attainment. Kent CountyUnclassifiable/Attainment. Keweenaw CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lapeer CountyUnclassifiable/Attainment. Leelanau CountyUnclassifiable/Attainment. Lenawee CountyUnclassifiable/Attainment. Luce CountyUnclassifiable/Attainment. Mackinac CountyUnclassifiable/Attainment. Manistee CountyUnclassifiable/Attainment. Marquette CountyUnclassifiable/Attainment. Mason CountyUnclassifiable/Attainment. Mecosta CountyUnclassifiable/Attainment. Menominee CountyUnclassifiable/Attainment. Midland CountyUnclassifiable/Attainment. Missaukee CountyUnclassifiable/Attainment. Montcalm CountyUnclassifiable/Attainment. Montmorency CountyUnclassifiable/Attainment. Muskegon CountyUnclassifiable/Attainment. Newaygo CountyUnclassifiable/Attainment. Oceana CountyUnclassifiable/Attainment. Ogemaw CountyUnclassifiable/Attainment. Ontonagon CountyUnclassifiable/Attainment. Osceola CountyUnclassifiable/Attainment. Oscoda CountyUnclassifiable/Attainment. Otsego CountyUnclassifiable/Attainment. Ottawa CountyUnclassifiable/Attainment. Presque Isle CountyUnclassifiable/Attainment. Roscommon CountyUnclassifiable/Attainment. Saginaw CountyUnclassifiable/Attainment. St. Joseph CountyUnclassifiable/Attainment. Sanilac CountyUnclassifiable/Attainment. Schoolcraft CountyUnclassifiable/Attainment. Shiawassee CountyUnclassifiable/Attainment. Tuscola CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Wexford CountyUnclassifiable/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 PM2.5 NAAQS

[Primary]

Designated area 1Designation Classification Date 2Type Date 2Type Statewide: Alcona CountyUnclassifiable/Attainment Alger CountyUnclassifiable/Attainment Allegan CountyUnclassifiable/Attainment Alpena CountyUnclassifiable/Attainment Antrim CountyUnclassifiable/Attainment Arenac CountyUnclassifiable/Attainment Baraga CountyUnclassifiable/Attainment Barry CountyUnclassifiable/Attainment Bay CountyUnclassifiable/Attainment Benzie CountyUnclassifiable/Attainment Berrien CountyUnclassifiable/Attainment Branch CountyUnclassifiable/Attainment Calhoun CountyUnclassifiable/Attainment Cass CountyUnclassifiable/Attainment Charlevoix CountyUnclassifiable/Attainment Cheboygan CountyUnclassifiable/Attainment Chippewa CountyUnclassifiable/Attainment Clare CountyUnclassifiable/Attainment Clinton CountyUnclassifiable/Attainment Crawford CountyUnclassifiable/Attainment Delta CountyUnclassifiable/Attainment Dickinson CountyUnclassifiable/Attainment Eaton CountyUnclassifiable/Attainment Emmet CountyUnclassifiable/Attainment Genesee CountyUnclassifiable/Attainment Gladwin CountyUnclassifiable/Attainment Gogebic CountyUnclassifiable/Attainment Grand Traverse CountyUnclassifiable/Attainment Gratiot CountyUnclassifiable/Attainment Hillsdale CountyUnclassifiable/Attainment Houghton CountyUnclassifiable/Attainment Huron CountyUnclassifiable/Attainment Ingham CountyUnclassifiable/Attainment Ionia CountyUnclassifiable/Attainment Iosco CountyUnclassifiable/Attainment Iron CountyUnclassifiable/Attainment Isabella CountyUnclassifiable/Attainment Jackson CountyUnclassifiable/Attainment Kalamazoo CountyUnclassifiable/Attainment Kalkaska CountyUnclassifiable/Attainment Kent CountyUnclassifiable/Attainment Keweenaw CountyUnclassifiable/Attainment Lake CountyUnclassifiable/Attainment Lapeer CountyUnclassifiable/Attainment Leelanau CountyUnclassifiable/Attainment Lenawee CountyUnclassifiable/Attainment Livingston CountyUnclassifiable/Attainment Luce CountyUnclassifiable/Attainment Mackinac CountyUnclassifiable/Attainment Macomb CountyUnclassifiable/Attainment Manistee CountyUnclassifiable/Attainment Marquette CountyUnclassifiable/Attainment Mason CountyUnclassifiable/Attainment Mecosta CountyUnclassifiable/Attainment Menominee CountyUnclassifiable/Attainment Midland CountyUnclassifiable/Attainment Missaukee CountyUnclassifiable/Attainment Monroe CountyUnclassifiable/Attainment Montcalm CountyUnclassifiable/Attainment Montmorency CountyUnclassifiable/Attainment Muskegon CountyUnclassifiable/Attainment Newaygo CountyUnclassifiable/Attainment Oakland CountyUnclassifiable/Attainment Oceana CountyUnclassifiable/Attainment Ogemaw CountyUnclassifiable/Attainment Ontonagon CountyUnclassifiable/Attainment Osceola CountyUnclassifiable/Attainment Oscoda CountyUnclassifiable/Attainment Otsego CountyUnclassifiable/Attainment Ottawa CountyUnclassifiable/Attainment Presque Isle CountyUnclassifiable/Attainment Roscommon CountyUnclassifiable/Attainment Saginaw CountyUnclassifiable/Attainment St. Clair CountyUnclassifiable/Attainment St. Joseph CountyUnclassifiable/Attainment Sanilac CountyUnclassifiable/Attainment Schoolcraft CountyUnclassifiable/Attainment Shiawassee CountyUnclassifiable/Attainment Tuscola CountyUnclassifiable/Attainment Van Buren CountyUnclassifiable/Attainment Washtenaw CountyUnclassifiable/Attainment Wayne CountyUnclassifiable/Attainment Wexford CountyUnclassifiable/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 PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date Type Detroit-Ann Arbor, MI: Livingston CountyUnclassifiable/Attainment. Macomb CountyUnclassifiable/Attainment. Monroe CountyUnclassifiable/Attainment. Oakland CountyUnclassifiable/Attainment. St. Clair CountyUnclassifiable/Attainment. Washtenaw CountyUnclassifiable/Attainment. Wayne CountyUnclassifiable/Attainment. Rest of State: Alcona CountyUnclassifiable/Attainment. Alger CountyUnclassifiable/Attainment. Allegan CountyUnclassifiable/Attainment. Alpena CountyUnclassifiable/Attainment. Antrim CountyUnclassifiable/Attainment. Arenac CountyUnclassifiable/Attainment. Baraga CountyUnclassifiable/Attainment. Barry CountyUnclassifiable/Attainment. Bay CountyUnclassifiable/Attainment. Benzie CountyUnclassifiable/Attainment. Berrien CountyUnclassifiable/Attainment. Branch CountyUnclassifiable/Attainment. Calhoun CountyUnclassifiable/Attainment. Cass CountyUnclassifiable/Attainment. Charlevoix CountyUnclassifiable/Attainment. Cheboygan CountyUnclassifiable/Attainment. Chippewa CountyUnclassifiable/Attainment. Clare CountyUnclassifiable/Attainment. Clinton CountyUnclassifiable/Attainment. Crawford CountyUnclassifiable/Attainment. Delta CountyUnclassifiable/Attainment. Dickinson CountyUnclassifiable/Attainment. Eaton CountyUnclassifiable/Attainment. Emmet CountyUnclassifiable/Attainment. Genesee CountyUnclassifiable/Attainment. Gladwin CountyUnclassifiable/Attainment. Gogebic CountyUnclassifiable/Attainment. Grand Traverse CountyUnclassifiable/Attainment. Gratiot CountyUnclassifiable/Attainment. Hillsdale CountyUnclassifiable/Attainment. Houghton CountyUnclassifiable/Attainment. Huron CountyUnclassifiable/Attainment. Ingham CountyUnclassifiable/Attainment. Ionia CountyUnclassifiable/Attainment. Iosco CountyUnclassifiable/Attainment. Iron CountyUnclassifiable/Attainment. Isabella CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Kalamazoo CountyUnclassifiable/Attainment. Kalkaska CountyUnclassifiable/Attainment. Kent CountyUnclassifiable/Attainment. Keweenaw CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lapeer CountyUnclassifiable/Attainment. Leelanau CountyUnclassifiable/Attainment. Lenawee CountyUnclassifiable/Attainment. Luce CountyUnclassifiable/Attainment. Mackinac CountyUnclassifiable/Attainment. Manistee CountyUnclassifiable/Attainment. Marquette CountyUnclassifiable/Attainment. Mason CountyUnclassifiable/Attainment. Mecosta CountyUnclassifiable/Attainment. Menominee CountyUnclassifiable/Attainment. Midland CountyUnclassifiable/Attainment. Missaukee CountyUnclassifiable/Attainment. Montcalm CountyUnclassifiable/Attainment. Montmorency CountyUnclassifiable/Attainment. Muskegon CountyUnclassifiable/Attainment. Newaygo CountyUnclassifiable/Attainment. Oceana CountyUnclassifiable/Attainment. Ogemaw CountyUnclassifiable/Attainment. Ontonagon CountyUnclassifiable/Attainment. Osceola CountyUnclassifiable/Attainment. Oscoda CountyUnclassifiable/Attainment. Otsego CountyUnclassifiable/Attainment. Ottawa CountyUnclassifiable/Attainment. Presque Isle CountyUnclassifiable/Attainment. Roscommon CountyUnclassifiable/Attainment. Saginaw CountyUnclassifiable/Attainment. St. Joseph CountyUnclassifiable/Attainment. Sanilac CountyUnclassifiable/Attainment. Schoolcraft CountyUnclassifiable/Attainment. Shiawassee CountyUnclassifiable/Attainment. Tuscola CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Wexford CountyUnclassifiable/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 PM2.5 NAAQS

[Primary and Secondary]

Designated area Designation aClassification Date 1Type Date Type Detroit-Ann Arbor, MI:8/29/13Attainment. Livingston County Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Rest of State: Alcona CountyUnclassifiable/Attainment. Alger CountyUnclassifiable/Attainment. Allegan CountyUnclassifiable/Attainment. Alpena CountyUnclassifiable/Attainment. Antrim CountyUnclassifiable/Attainment. Arenac CountyUnclassifiable/Attainment. Baraga CountyUnclassifiable/Attainment. Barry CountyUnclassifiable/Attainment. Bay CountyUnclassifiable/Attainment. Benzie CountyUnclassifiable/Attainment. Berrien CountyUnclassifiable/Attainment. Branch CountyUnclassifiable/Attainment. Calhoun CountyUnclassifiable/Attainment. Cass CountyUnclassifiable/Attainment. Charlevoix CountyUnclassifiable/Attainment. Cheboygan CountyUnclassifiable/Attainment. Chippewa CountyUnclassifiable/Attainment. Clare CountyUnclassifiable/Attainment. Clinton CountyUnclassifiable/Attainment. Crawford CountyUnclassifiable/Attainment. Delta CountyUnclassifiable/Attainment. Dickinson CountyUnclassifiable/Attainment. Eaton CountyUnclassifiable/Attainment. Emmet CountyUnclassifiable/Attainment. Genesee CountyUnclassifiable/Attainment. Gladwin CountyUnclassifiable/Attainment. Gogebic CountyUnclassifiable/Attainment. Grand Traverse CountyUnclassifiable/Attainment. Gratiot CountyUnclassifiable/Attainment. Hillsdale CountyUnclassifiable/Attainment. Houghton CountyUnclassifiable/Attainment. Huron CountyUnclassifiable/Attainment. Ingham CountyUnclassifiable/Attainment. Ionia CountyUnclassifiable/Attainment. Iosco CountyUnclassifiable/Attainment. Iron CountyUnclassifiable/Attainment. Isabella CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Kalamazoo CountyUnclassifiable/Attainment. Kalkaska CountyUnclassifiable/Attainment. Kent CountyUnclassifiable/Attainment. Keweenaw CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lapeer CountyUnclassifiable/Attainment. Leelanau CountyUnclassifiable/Attainment. Lenawee CountyUnclassifiable/Attainment. Luce CountyUnclassifiable/Attainment. Mackinac CountyUnclassifiable/Attainment. Manistee CountyUnclassifiable/Attainment. Marquette CountyUnclassifiable/Attainment. Mason CountyUnclassifiable/Attainment. Mecosta CountyUnclassifiable/Attainment. Menominee CountyUnclassifiable/Attainment. Midland CountyUnclassifiable/Attainment. Missaukee CountyUnclassifiable/Attainment. Montcalm CountyUnclassifiable/Attainment. Montmorency CountyUnclassifiable/Attainment. Muskegon CountyUnclassifiable/Attainment. Newaygo CountyUnclassifiable/Attainment. Oceana CountyUnclassifiable/Attainment. Ogemaw CountyUnclassifiable/Attainment. Ontonagon CountyUnclassifiable/Attainment. Osceola CountyUnclassifiable/Attainment. Oscoda CountyUnclassifiable/Attainment. Otsego CountyUnclassifiable/Attainment. Ottawa CountyUnclassifiable/Attainment. Presque Isle CountyUnclassifiable/Attainment. Roscommon CountyUnclassifiable/Attainment. Saginaw CountyUnclassifiable/Attainment. St. Joseph CountyUnclassifiable/Attainment. Sanilac CountyUnclassifiable/Attainment. Schoolcraft CountyUnclassifiable/Attainment. Shiawassee CountyUnclassifiable/Attainment. Tuscola CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Wexford CountyUnclassifiable/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—NO2 (1971 Annual Standard)

Designated area Does not meet primary standards Cannot be classified or better than national standards State of MichiganX

Michigan—NO2 (2010 1-Hour Standard)

Designated area Designation aDate 1Type Alcona CountyUnclassifiable/Attainment. Alger CountyUnclassifiable/Attainment. Allegan CountyUnclassifiable/Attainment. Alpena CountyUnclassifiable/Attainment. Antrim CountyUnclassifiable/Attainment. Arenac CountyUnclassifiable/Attainment. Baraga CountyUnclassifiable/Attainment. Barry CountyUnclassifiable/Attainment. Bay CountyUnclassifiable/Attainment. Benzie CountyUnclassifiable/Attainment. Berrien CountyUnclassifiable/Attainment. Branch CountyUnclassifiable/Attainment. Calhoun CountyUnclassifiable/Attainment. Cass CountyUnclassifiable/Attainment. Charlevoix CountyUnclassifiable/Attainment. Cheboygan CountyUnclassifiable/Attainment. Chippewa CountyUnclassifiable/Attainment. Clare CountyUnclassifiable/Attainment. Clinton CountyUnclassifiable/Attainment. Crawford CountyUnclassifiable/Attainment. Delta CountyUnclassifiable/Attainment. Dickinson CountyUnclassifiable/Attainment. Eaton CountyUnclassifiable/Attainment. Emmet CountyUnclassifiable/Attainment. Genesee CountyUnclassifiable/Attainment. Gladwin CountyUnclassifiable/Attainment. Gogebic CountyUnclassifiable/Attainment. Grand Traverse CountyUnclassifiable/Attainment. Gratiot CountyUnclassifiable/Attainment. Hillsdale CountyUnclassifiable/Attainment. Houghton CountyUnclassifiable/Attainment. Huron CountyUnclassifiable/Attainment. Ingham CountyUnclassifiable/Attainment. Ionia CountyUnclassifiable/Attainment. Iosco CountyUnclassifiable/Attainment. Iron CountyUnclassifiable/Attainment. Isabella CountyUnclassifiable/Attainment. Jackson CountyUnclassifiable/Attainment. Kalamazoo CountyUnclassifiable/Attainment. Kalkaska CountyUnclassifiable/Attainment. Kent CountyUnclassifiable/Attainment. Keweenaw CountyUnclassifiable/Attainment. Lake CountyUnclassifiable/Attainment. Lapeer CountyUnclassifiable/Attainment. Leelanau CountyUnclassifiable/Attainment. Lenawee CountyUnclassifiable/Attainment. Livingston CountyUnclassifiable/Attainment. Luce CountyUnclassifiable/Attainment. Mackinac CountyUnclassifiable/Attainment. Macomb CountyUnclassifiable/Attainment. Manistee CountyUnclassifiable/Attainment. Marquette CountyUnclassifiable/Attainment. Mason CountyUnclassifiable/Attainment. Mecosta CountyUnclassifiable/Attainment. Menominee CountyUnclassifiable/Attainment. Midland CountyUnclassifiable/Attainment. Missaukee CountyUnclassifiable/Attainment. Monroe CountyUnclassifiable/Attainment. Montcalm CountyUnclassifiable/Attainment. Montmorency CountyUnclassifiable/Attainment. Muskegon CountyUnclassifiable/Attainment. Newaygo CountyUnclassifiable/Attainment. Oakland CountyUnclassifiable/Attainment. Oceana CountyUnclassifiable/Attainment. Ogemaw CountyUnclassifiable/Attainment. Ontonagon CountyUnclassifiable/Attainment. Osceola CountyUnclassifiable/Attainment. Oscoda CountyUnclassifiable/Attainment. Otsego CountyUnclassifiable/Attainment. Ottawa CountyUnclassifiable/Attainment. Presque Isle CountyUnclassifiable/Attainment. Roscommon CountyUnclassifiable/Attainment. Saginaw CountyUnclassifiable/Attainment. St. Clair CountyUnclassifiable/Attainment. St. Joseph CountyUnclassifiable/Attainment. Sanilac CountyUnclassifiable/Attainment. Schoolcraft CountyUnclassifiable/Attainment. Shiawassee CountyUnclassifiable/Attainment. Tuscola CountyUnclassifiable/Attainment. Van Buren CountyUnclassifiable/Attainment. Washtenaw CountyUnclassifiable/Attainment. Wayne CountyUnclassifiable/Attainment. Wexford CountyUnclassifiable/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 aCategory/classification Date 1Type Date 1Type Allegan County, MI: Allegan County9/24/2010Attainment Barry County Area: Benton Harbor, MI: Berrien County5/16/2007Attainment Benzie County, MI: Benzie County5/16/2007Attainment Branch County Area: Branch CountyUnclassifiable/Attainment Cass County, MI: Cass County5/16/2007Attainment Detroit-Ann Arbor, MI: Lenawee County6/29/2009Attainment Livingston County. Macomb County Monroe County Oakland County St. Clair County Washtenaw County Wayne County Flint, MI: Genesee County5/16/2007Attainment Lapeer County Grand Rapids, MI: Kent County5/16/2007Attainment Ottawa County Gratiot County Area: Gratiot CountyUnclassifiable/Attainment Hillsdale County Area: Hillsdale CountyUnclassifiable/Attainment Huron County, MI: Huron County5/16/2007Attainment Ionia County Area: Ionia CountyUnclassifiable/Attainment Jackson Area: Jackson CountyUnclassifiable/Attainment Kalamazoo-Battle Creek, MI: Calhoun County5/16/2007Attainment Kalamazoo County Van Buren County Lansing-East Lansing, MI: Clinton County5/16/2007Attainment Eaton County Ingham County Mason County, MI: Mason County5/16/2007Attainment Montcalm Area: Montcalm CountyUnclassifiable/Attainment Muskegon, MI: Muskegon County5/16/2007Attainment Saginaw-Bay City-Midland Area: Bay CountyUnclassifiable/Attainment Midland CountyUnclassifiable/Attainment Saginaw CountyUnclassifiable/Attainment Sanilac County Area: Sanilac CountyUnclassifiable/Attainment Shiawassee County Area: Shiawassee CountyUnclassifiable/Attainment St Joseph County Area: St Joseph CountyUnclassifiable/Attainment Tuscola County Area: Tuscola CountyUnclassifiable/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 1Type Date 1Type Statewide and Any Areas of Indian CountryUnclassifiable/Attainment

1 This date is July 20, 2012, unless otherwise noted.

Michigan—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Designated area 1Designation Classification Date 2Type Date 2Type Allegan County, MINonattainment11/7/22Moderate. 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, MINonattainment11/7/22Moderate. Berrien County. Detroit, MI5/19/23Attainment Livingston County Macomb County Monroe County Oakland County St Clair County Washtenaw County Wayne County Muskegon County, MINonattainment11/7/22Moderate. 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 County1/16/18Attainment/Unclassifiable Alger County1/16/18Attainment/Unclassifiable Allegan County (part) remainderAttainment/Unclassifiable Alpena County1/16/18Attainment/Unclassifiable Antrim County1/16/18Attainment/Unclassifiable Arenac County1/16/18Attainment/Unclassifiable Baraga County1/16/18Attainment/Unclassifiable Barry CountyAttainment/Unclassifiable Bay County1/16/18Attainment/Unclassifiable Benzie County1/16/18Attainment/Unclassifiable Branch County1/16/18Attainment/Unclassifiable Calhoun County1/16/18Attainment/Unclassifiable Cass CountyAttainment/Unclassifiable Charlevoix County1/16/18Attainment/Unclassifiable Cheboygan County1/16/18Attainment/Unclassifiable Chippewa County1/16/18Attainment/Unclassifiable Clare County1/16/18Attainment/Unclassifiable Clinton County1/16/18Attainment/Unclassifiable Crawford County1/16/18Attainment/Unclassifiable Delta County1/16/18Attainment/Unclassifiable Dickinson County1/16/18Attainment/Unclassifiable Eaton County1/16/18Attainment/Unclassifiable Emmet County1/16/18Attainment/Unclassifiable Genesee CountyAttainment/Unclassifiable Gladwin County1/16/18Attainment/Unclassifiable Gogebic County1/16/18Attainment/Unclassifiable Grand Traverse County1/16/18Attainment/Unclassifiable Gratiot County1/16/18Attainment/Unclassifiable Hillsdale County1/16/18Attainment/Unclassifiable Houghton County1/16/18Attainment/Unclassifiable Huron County1/16/18Attainment/Unclassifiable Ingham County1/16/18Attainment/Unclassifiable Ionia CountyAttainment/Unclassifiable Iosco County1/16/18Attainment/Unclassifiable Iron County1/16/18Attainment/Unclassifiable Isabella County1/16/18Attainment/Unclassifiable Jackson County1/16/18Attainment/Unclassifiable Kalamazoo CountyAttainment/Unclassifiable Kalkaska County1/16/18Attainment/Unclassifiable Kent CountyAttainment/Unclassifiable Keweenaw County1/16/18Attainment/Unclassifiable Lake County1/16/18Attainment/Unclassifiable Lapeer CountyAttainment/Unclassifiable Leelanau County1/16/18Attainment/Unclassifiable Lenawee CountyAttainment/Unclassifiable Luce County1/16/18Attainment/Unclassifiable Mackinac County1/16/18Attainment/Unclassifiable Manistee County1/16/18Attainment/Unclassifiable Marquette County1/16/18Attainment/Unclassifiable Mason County1/16/18Attainment/Unclassifiable Mecosta CountyAttainment/Unclassifiable Menominee County1/16/18Attainment/Unclassifiable Midland County1/16/18Attainment/Unclassifiable Missaukee County1/16/18Attainment/Unclassifiable Montcalm CountyAttainment/Unclassifiable Montmorency County1/16/18Attainment/Unclassifiable Muskegon County (part) remainderAttainment/Unclassifiable Newaygo CountyAttainment/Unclassifiable Oceana CountyAttainment/Unclassifiable Ogemaw County1/16/18Attainment/Unclassifiable Ontonagon County1/16/18Attainment/Unclassifiable Osceola County1/16/18Attainment/Unclassifiable Oscoda County1/16/18Attainment/Unclassifiable Otsego County1/16/18Attainment/Unclassifiable Ottawa CountyAttainment/Unclassifiable Presque Isle County1/16/18Attainment/Unclassifiable Roscommon County1/16/18Attainment/Unclassifiable Saginaw County1/16/18Attainment/Unclassifiable St. Joseph County1/16/18Attainment/Unclassifiable Sanilac CountyAttainment/Unclassifiable Schoolcraft County1/16/18Attainment/Unclassifiable Shiawassee County1/16/18Attainment/Unclassifiable Tuscola County1/16/18Attainment/Unclassifiable Van Buren CountyAttainment/Unclassifiable Wexford County1/16/18Attainment/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 aDate 1Type Belding, MI: Ionia County (part)5/31/2017Attainment. 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 StateUnclassifiable/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.

AUTHORITY: 42 U.S.C. 7401,

SOURCE: 36 FR 22421, Nov. 25, 1971, unless otherwise noted.

CITE AS: 40 CFR 81.323