Status of SIP Requirements for Designated Areas

Michigan Areas by Pollutant
As of 05/20/2012
View Nonattainment Contacts

Jump to Michigan section for: CO Lead (1978) Lead (2008) NO2 Ozone-1Hr (1979) Ozone-8Hr (1997) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) SO2

Michigan CO Areas Return to map
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value (ppm) (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Detroit Area	Maintenance	11/15/1990	Not Classified	1,446,819	2009-2010	1.2	Yes	1 / 1	08/30/1999 64 FR 35017	03/18/1999	08/30/1999 64 FR 35017
Michigan Lead (1978) Areas Return to map Top of page
No designated areas for this pollutant.
Michigan Lead (2008) Areas Return to map Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Belding	Nonattainment	12/31/2011		872				1 / 0
Michigan NO2 Areas Return to map Top of page
No designated areas for this pollutant.
Michigan Ozone-1Hr (1979) Areas Return to map Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Detroit-Ann Arbor Area	Maintenance	11/15/1990	Moderate	4,833,493	2000-2002	119	Yes	23 / 23	04/06/1995 60 FR 12459	11/01/1993	04/06/1995 60 FR 12459
Grand Rapids Area	Maintenance	11/15/1990	Moderate	812,649	2000-2002	109	Yes	23 / 23	06/21/1996 61 FR 31831	03/09/1995	06/21/1996 61 FR 31831
Muskegon Area	Maintenance	11/15/1990	Moderate	170,200	2000-2002	123	Yes	23 / 23	10/18/2000 65 FR 52651	03/09/1995	10/18/2000 65 FR 52651
Michigan Ozone-8Hr (1997) Areas Return to map Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value (ppb) (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Allegan County Area	Maintenance	06/15/2004	Former Subpart 1	105,665	2008-2010	74	Yes	4 / 1	09/25/2010 75 FR 58312	05/12/2010	09/24/2010 75 FR 58312
Benton Harbor Area	Maintenance	06/15/2004	Former Subpart 1	162,453	2008-2010	71	Yes	4 / 0	05/16/2007 72 FR 27425	06/13/2006	05/16/2007 72 FR 27425
Benzie County Area	Maintenance	06/15/2004	Former Subpart 1	15,998	2008-2010	69	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Cass County Area	Maintenance	06/15/2004	Subpart 2/Marginal	51,104	2008-2010	70	Yes	3 / 0	05/16/2007 72 FR 27425	06/13/2006	05/16/2007 72 FR 27425
Detroit-Ann Arbor Area	Maintenance	06/15/2004	Subpart 2/Marginal	4,932,383	2008-2010	75	Yes	3 / 2	06/29/2009 74 FR 30950	03/06/2009	06/29/2009 74 FR 30950
Flint Area	Maintenance	06/15/2004	Former Subpart 1	524,045	2008-2010	68	Yes	4 / 0	05/16/2007 72 FR 27425	06/13/2006	05/16/2007 72 FR 27425
Grand Rapids Area	Maintenance	06/15/2004	Former Subpart 1	812,649	2008-2010	69	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Huron County Area	Maintenance	06/15/2004	Former Subpart 1	36,079	2008-2010	67	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Kalamazoo-Battle Creek Area	Maintenance	06/15/2004	Former Subpart 1	452,851	2008-2010	69	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Lansing-East Lansing Area	Maintenance	06/15/2004	Former Subpart 1	447,728	2008-2010	68	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Mason County Area	Maintenance	06/15/2004	Former Subpart 1	28,274	2008-2010	68	Yes	4 / 0	05/16/2007 72 FR 27425	05/09/2006	05/16/2007 72 FR 27425
Muskegon Area	Maintenance	06/15/2004	Subpart 2/Marginal	170,200	2008-2010	74	Yes	3 / 0	05/16/2007 72 FR 27425	06/13/2006	05/16/2007 72 FR 27425
Michigan PM-10 (1987) Areas Return to map Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Wayne County; (part)	Maintenance	11/15/1990	Moderate	951,270	2008-2010		Yes	3 / 3	10/04/1996 61 FR 40516	07/24/1995	10/04/1996 61 FR 40516
Michigan PM-2.5 (1997) Areas Return to map Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value Annual/24-Hr (ug/m3) (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Detroit-Ann Arbor	Nonattainment	04/05/2005		4,833,493	2008-2010	12.3 /	Yes	5 / 0		07/05/2011
Michigan PM-2.5 (2006) Areas Return to map Area designated nonattainment for the 24-hour standard. Top of page
Click on the Area name to view SIP Requirements Area	Status	Designation Date	Classification	2000 Population (state portion)	Meets NAAQS Basis	Design Value Annual/24-Hr (ug/m3) (entire area)	Meets NAAQS	SIP Requirements Original/Approved	Clean Air Determination Effective Date Citation (link to GPO website)	Redesignation Request Date	Redesignation Effective Date Citation (link to GPO website)
Detroit-Ann Arbor	Nonattainment	12/14/2009		4,833,493	2008-2010	/ 32	Yes	5 / 0		07/05/2011
Michigan SO2 Areas Return to map Top of page
No designated areas for this pollutant.

We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status.

Status of SIP Requirements for Designated Areas

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