SIP Status Reports

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Status of Michigan Designated Areas

Michigan Areas by NAAQS
As of 10/26/2020

Jump to Michigan section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) Ozone-8Hr (2015) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)


Michigan CO (1971) Areas    Return to map
 
Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Detroit Area Maintenance 11/15/1990 Not Classified 1,382,239 2019 2.4 Yes 1 / 1  
 
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 Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(µg/m3)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Belding Maintenance 12/31/2011   1,890 2017-2019 0.09 Yes 6 / 1 09/22/2015
80 FR 43956
01/12/2016 07/31/2017
82 FR 24864

Michigan NO2 (1971) 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 Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Detroit-Ann Arbor Area Maintenance (NAAQS revoked) 11/15/1990 Moderate 4,704,743 2017-2019 0.091 Yes 23 / 23  
 
11/01/1993 04/06/1995
60 FR 12459
Flint Area Maintenance (NAAQS revoked) 11/15/1990 Transitional 425,790 2017-2019 0.078 Yes 1 / 1  
 
05/09/2000 01/16/2001
65 FR 67629
Grand Rapids Area Maintenance (NAAQS revoked) 11/15/1990 Moderate 866,423 2017-2019 0.079 Yes 23 / 23  
 
03/09/1995 06/21/1996
61 FR 31831
Lansing-East Lansing Area Maintenance (NAAQS revoked) 11/15/1990 Transitional 464,036 2017-2019 0.077 Yes 1 / 1  
 
  03/15/1996
61 FR 5707
Muskegon Area Maintenance (NAAQS revoked) 11/15/1990 Moderate 172,188 2017-2019 0.091 Yes 23 / 23  
 
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 Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Allegan County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 111,408 2017-2019 0.072 Yes 4 / 1 09/24/2010
75 FR 58312
05/12/2010 09/24/2010
75 FR 58312
Benton Harbor Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 156,813 2017-2019 0.069 Yes 4 / 0  
 
06/13/2006 05/16/2007
72 FR 27425
Benzie County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 17,525 2017-2019 0.063 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Cass County Area Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 52,293 2017-2019 0.070 Yes 3 / 0  
 
06/13/2006 05/16/2007
72 FR 27425
Detroit-Ann Arbor Area Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 4,804,635 2017-2019 0.072 Yes 3 / 2 06/29/2009
74 FR 30950
03/06/2009 06/29/2009
74 FR 30950
Flint Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 514,109 2017-2019 0.064 Yes 4 / 0  
 
06/13/2006 05/16/2007
72 FR 27425
Grand Rapids Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 866,423 2017-2019 0.067 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Huron County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 33,118 2017-2019 0.064 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Kalamazoo-Battle Creek Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 462,735 2017-2019 0.066 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Lansing-East Lansing Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 464,036 2017-2019 0.063 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Mason County Area Maintenance (NAAQS revoked) 06/15/2004 Former Subpart 1 28,705 2017-2019 0.063 Yes 4 / 0  
 
05/09/2006 05/16/2007
72 FR 27425
Muskegon Area Maintenance (NAAQS revoked) 06/15/2004 Subpart 2/Marginal 172,188 2017-2019 0.074 Yes 3 / 0  
 
06/13/2006 05/16/2007
72 FR 27425

Michigan Ozone-8Hr (2008) Areas     Return to map Top of page

No designated areas for this pollutant.

Michigan Ozone-8Hr (2015) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(ppm)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Allegan County Nonattainment 08/03/2018 Marginal 46,615 2017-2019 0.072 No 3 / 0  
 
   
Berrien County Nonattainment 08/03/2018 Marginal 156,813 2017-2019 0.069 Yes 3 / 0  
 
01/30/2020  
Detroit Nonattainment 08/03/2018 Marginal 4,704,743 2017-2019 0.072 No 3 / 0  
 
   
Muskegon County Nonattainment 08/03/2018 Marginal 146,852 2017-2019 0.074 No 3 / 0  
 
   

Michigan PM-10 (1987) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Average
Estimated
Exceedances
(est. exc.)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Wayne County; (part) Maintenance 11/15/1990 Moderate 713,777 2017-2019 0.0 Yes 3 / 3  
 
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 Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
Annual
(µg/m3)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Detroit-Ann Arbor Maintenance (NAAQS revoked) 04/05/2005 Former Subpart 1 4,704,743 2017-2019 11.6 Yes 5 / 1 12/06/2012
77 FR 66545
07/05/2011 08/29/2013
78 FR 53272

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 Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
Design Value
24-Hr
(µg/m3)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Detroit-Ann Arbor Maintenance 12/14/2009 Former Subpart 1 4,704,743 2017-2019 30 Yes 6 / 0  
 
07/05/2011 08/29/2013
78 FR 53272

Michigan PM-2.5 (2012) Areas     Return to map Top of page

No designated areas for this pollutant.

Michigan SO2 (1971) Areas     Return to map Top of page

No designated areas for this pollutant.

Michigan SO2 (2010) Areas    Return to map     Top of page

Click on the Area name
to view SIP Required Elements


Area
Status Designation
Date
Classification 2010
Population
(state portion)
Meets NAAQS
Basis
3 Year
1-⁠Hour
Design Value
(ppb)
(entire area)
Meets
NAAQS
SIP
Requirements
Original/
Approved
Clean Air
Determination
Citation
Effective Date
Click to view
FR notice
Redesignation
Request Date
Redesignation
Citation
Effective Date
Click to view
FR notice
Detroit Nonattainment 10/04/2013   254,079 2017-2019 66 Yes 6 / 0  
 
   
St. Clair Nonattainment 09/12/2016   52,102 2017-2019   No Data 6 / 0  
 
   
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.

Current and historical design value data can be found on the EPA Air Quality Design Values website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information.

The level of the 1-hour NAAQS for sulfur dioxide is 75 parts per billion (ppb) calculated as the 3-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations.