SIP Status Reports

You are here: EPA Home > Air Quality Implementation Plans > SIP Status Reports > Status of Minnesota Designated Areas

Status of Minnesota Designated Areas

Minnesota Areas by NAAQS
NOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.

Jump to Minnesota 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)

Minnesota 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
Duluth Area	Maintenance	01/06/1992	Moderate <= 12.7ppm	85,857	2019		No Data	4 / 4		10/30/1992	06/13/1994 59 FR 17708
Minneapolis-St. Paul Area	Maintenance	11/15/1990	Moderate <= 12.7ppm	2,920,178	2019	3.9	Yes	5 / 5		05/13/1999	11/29/1999 64 FR 58347
Minnesota Lead (1978) 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
Dakota County (part)	Maintenance	01/06/1992		318,833	2009-2010		No Data	1 / 1		07/02/1993	12/19/1994 59 FR 52431
Minnesota 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
Eagan	Nonattainment	12/31/2010		8,997	2017-2019	0.11	Yes	6 / 0	10/23/2015 80 FR 51127
Minnesota NO2 (1971) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota Ozone-1Hr (1979) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota Ozone-8Hr (1997) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota Ozone-8Hr (2008) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota Ozone-8Hr (2015) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota 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
Olmsted County; (part)	Maintenance	11/15/1990	Moderate	96,199	2017-2019		No Data	3 / 3		09/07/1994	07/31/1995 60 FR 28339
Ramsey County; (part)	Maintenance	11/15/1990	Moderate	284,783	2017-2019	0.0	Yes	3 / 3		06/20/2002	09/24/2002 67 FR 48787
Minnesota PM-2.5 (1997) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota PM-2.5 (2006) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota PM-2.5 (2012) Areas Return to map Top of page
No designated areas for this pollutant.
Minnesota SO2 (1971) 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/24-Hr (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
AQCR 131: Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties (Minneapolis-St. Paul)	Maintenance	11/15/1990		2,849,567		/		1 / 1		11/02/1995	07/14/1997 62 FR 26230
Olmsted; City of Rochester	Maintenance	03/03/1978		106,769		/		0 / 0		11/04/1999	05/08/2001 66 FR 14087
Minnesota SO2 (2010) 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.

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.