SIP Status Reports

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Status of Designated Areas for the PM-10 (1987) NAAQS

by Area Name, State
As of 09/24/2020




PM-10 (1987) Areas    Return to NAAQS selection
 
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Area
State 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
Ada County; Boise ID Maintenance (NAAQS revoked) 03/12/1999 Moderate 240,254 2017-2019 0.3 Yes 3 / 3  
 
  11/26/2003
68 FR 61106
Adams, Denver, and Boulder Counties; Denver Metropolitan area CO Maintenance 11/15/1990 Moderate 2,770,524 2017-2019 0.3 Yes 3 / 3  
 
07/30/2001 10/16/2002
67 FR 58335
Allegheny County; The area including Liberty, Lincoln, Port Vue, and Glassport Boroughs and the City of Clairton PA Maintenance 11/15/1990 Moderate 18,700 2017-2019 0.0 Yes 3 / 3  
 
10/28/2002 10/14/2003
68 FR 53515
Anchorage; Eagle River AK Maintenance 11/15/1990 Moderate 219,193 2017-2019 0.4 Yes 3 / 3 12/20/2010
75 FR 64162
09/29/2010 03/08/2013
78 FR 900
Archuleta County; Pagosa Springs CO Maintenance 11/15/1990 Moderate 2,261 2017-2019 0.0 Yes 3 / 3  
 
05/10/2000 08/14/2001
66 FR 32556
Aroostock County; City of Presque Isle ME Maintenance 11/15/1990 Moderate 972 2017-2019   Insufficient Data 3 / 3  
 
06/07/1994 10/30/1995
60 FR 45056
Bonner County; The Sandpoint Area ID Maintenance 11/15/1990 Moderate 40,876 2017-2019 2.0 No 3 / 3 08/23/2010
75 FR 35302
12/14/2011 05/03/2013
78 FR 20001
Brooke; Follansbee area WV Maintenance 11/15/1990 Moderate 2,674 2017-2019   No Data 3 / 3  
 
05/12/2003 10/27/2003
68 FR 51459
Clark County; Las Vegas planning area NV Maintenance 11/15/1990 Serious 1,951,248 2017-2019 0.7 Yes 3 / 3 10/04/2010
75 FR 45485
  11/05/2014
79 FR 60078
Cochise County; Paul Spur/Douglas planning area AZ Nonattainment 11/15/1990 Moderate 17,495 2017-2019 0.3 Yes 3 / 1 02/10/2011
76 FR 1532
   
Cook County; Lyons Township IL Maintenance 11/15/1990 Moderate 111,688 2017-2019   Insufficient Data 3 / 3  
 
08/02/2005 11/21/2005
70 FR 55541
Cook County; Southeast Chicago (see 40 CFR 81.314, PM-10 table, Cook County entry b. for description) IL Maintenance 11/15/1990 Moderate 3,117 2017-2019   Insufficient Data 3 / 3  
 
08/02/2005 11/21/2005
70 FR 55545
Coso Junction CA Maintenance 11/15/1990 Moderate 7,333 2017-2019 1.7 No 3 / 0 06/18/2010
75 FR 27944
07/14/2010 10/04/2010
75 FR 54031
Cuyahoga County OH Maintenance 11/15/1990 Moderate 1,280,122 2017-2019 0.0 Yes 3 / 3  
 
05/22/2000 01/10/2001
65 FR 77308
Dona Ana County; Anthony NM Nonattainment 11/15/1990 Moderate 3,096 2017-2019 3.0 No 3 / 3  
 
   
East Kern County Area CA Nonattainment 11/15/1990 Serious 125,950 2017-2019 0.3 Yes 4 / 3  
 
   
El Paso County TX Nonattainment 11/15/1990 Moderate 649,121 2017-2019 0.0 Yes 3 / 3  
 
   
Flathead County; Columbia Falls and vicinity MT Maintenance 11/15/1990 Moderate 4,610 2017-2019 0.0 Yes 3 / 3 04/01/2011
76 FR 5280
  07/27/2020
85 FR 38327
Flathead County; Kalispell and vicinity MT Maintenance 11/15/1990 Moderate 18,422 2017-2019 0.0 Yes 3 / 3  
 
  07/27/2020
85 FR 38327
Flathead County; Whitefish and vicinity MT Nonattainment 11/18/1993 Moderate 6,138 2017-2019 0.3 Yes 3 / 3  
 
   
Fremont County; Canon City Area CO Maintenance 11/15/1990 Moderate 18,860 2017-2019   Insufficient Data 3 / 3  
 
09/22/1997 07/31/2000
65 FR 34399
Gila County (part): Payson AZ Maintenance 01/20/1994 Moderate 5,333 2017-2019 0.0 Yes 3 / 3 08/26/2002
67 FR 43013
  08/26/2002
67 FR 43013
Guaynabo County PR Maintenance 11/15/1990 Moderate 90,470 2017-2019   Insufficient Data 3 / 3  
 
03/31/2009 02/11/2010
75 FR 1543
Hancock and Brooke Counties (Part); The city of Weirton WV Maintenance 01/20/1994 Moderate 14,199 2017-2019 0.0 Yes 3 / 3  
 
05/24/2004 08/14/2006
71 FR 40023
Hayden AZ Nonattainment 11/15/1990 Moderate 11,048 2017-2019 2.0 No 3 / 1 02/10/2011
76 FR 1532
   
Imperial County; Imperial Valley planning area CA Nonattainment 11/15/1990 Serious 146,905 2017-2019 1.0 Yes 4 / 1  
 
   
Indian Wells CA Maintenance 11/15/1990 Moderate 15,449 2017-2019 0.3 Yes 3 / 2  
 
  06/06/2003
68 FR 24368
Inyo County; Owens Valley planning area CA Nonattainment 11/15/1990 Serious 7,333 2017-2019 4.7 No 4 / 3  
 
   
Jackson County; Medford-Ashland (including White City) OR Maintenance 11/15/1990 Moderate 87,458 2017-2019 2.0 No 3 / 3 08/18/2006
71 FR 35163
03/10/2005 08/18/2006
71 FR 35163
Jefferson County; (part) OH Maintenance 11/15/1990 Moderate 3,472 2017-2019   No Data 3 / 3  
 
05/22/2000 01/10/2001
65 FR 77308
Josephine County; Grants Pass OR Maintenance 11/15/1990 Moderate 22,449 2017-2019   No Data 3 / 3  
 
11/12/2002 12/26/2003
68 FR 61111
Juneau; Mendenhall Valley area AK Maintenance 11/15/1990 Moderate 14,030 2017-2019   Insufficient Data 3 / 3 09/14/2010
75 FR 41379
05/14/2009 07/08/2013
78 FR 27071
King County; Kent WA Maintenance 11/15/1990 Moderate 47,315 2017-2019   No Data 3 / 3 05/14/2001
66 FR 14492
08/23/1999 05/14/2001
66 FR 14492
King County; Seattle WA Maintenance 11/15/1990 Moderate 661,062 2017-2019   No Data 3 / 3 05/14/2001
66 FR 14492
08/23/1999 05/14/2001
66 FR 14492
Klamath County; Klamath Falls OR Maintenance 11/15/1990 Moderate 20,703 2017-2019   Insufficient Data 3 / 3  
 
11/12/2002 12/22/2003
68 FR 60036
Lake County (part); Lakeview OR Maintenance 10/24/1993 Moderate 3,296 2017-2019   No Data 3 / 3 07/19/2006
71 FR 35159
10/25/2005 07/19/2006
71 FR 35159
Lake County; Cities of East Chicago, Hammond, Whiting, and Gary IN Maintenance 11/15/1990 Moderate 214,867 2017-2019 0.0 Yes 3 / 3  
 
09/30/2002 03/11/2003
68 FR 1370
Lake County; Polson MT Nonattainment 11/15/1990 Moderate 4,099 2017-2019   No Data 3 / 0  
 
   
Lake County; Ronan MT Nonattainment 11/15/1990 Moderate 2,734 2017-2019   No Data 3 / 0  
 
   
Lane County (part); Oakridge OR Nonattainment 01/20/1994 Moderate 3,728 2017-2019 1.3 No 3 / 3 09/24/2001
66 FR 38947
   
Lane County; Eugene/Springfield OR Maintenance 11/15/1990 Moderate 195,160 2017-2019 0.7 Yes 3 / 3 06/10/2013
78 FR 21547
01/13/2012 06/10/2013
78 FR 21547
LaSalle County; Oglesby IL Maintenance 11/15/1990 Moderate 3,862 2017-2019   No Data 3 / 3  
 
01/09/1996 10/07/1996
61 FR 41342
Lincoln County; Libby and vicinity MT Maintenance 11/15/1990 Moderate 3,378 2017-2019 0.0 Yes 3 / 3 04/01/2011
76 FR 5280
  07/27/2020
85 FR 38327
Madison County; Granite City Township and Nameoki Township IL Maintenance 11/15/1990 Moderate 35,652 2017-2019 0.0 Yes 3 / 3  
 
03/20/1996 05/11/1998
63 FR 11842
Maricopa and Pinal Counties; Phoenix planning area AZ Nonattainment 11/15/1990 Serious 3,852,985 2017-2019 4.3 No 4 / 4  
 
   
Miami AZ Nonattainment 11/15/1990 Moderate 15,218 2017-2019   Insufficient Data 3 / 3 05/29/2007
72 FR 14422
   
Missoula county; Missoula and vicinity MT Maintenance 11/15/1990 Moderate 59,733 2017-2019 0.0 Yes 3 / 3  
 
08/03/2016 06/24/2019
84 FR 24037
Mohave County (part); Bullhead City AZ Maintenance 01/20/1994 Moderate 10,710 2017-2019 0.0 Yes 3 / 3 08/26/2002
67 FR 43020
02/07/2002 08/26/2002
67 FR 43020
Mono County; Mammoth Lake planning area CA Maintenance 11/15/1990 Moderate 7,133 2017-2019 2.2 No 3 / 2  
 
09/11/1991 11/04/2015
80 FR 60049
Mono County; Mono Basin CA Nonattainment 12/29/1993 Moderate 285 2017-2019 13.4 No 3 / 0  
 
   
New Haven County CT Maintenance 11/15/1990 Moderate 129,779 2017-2019   No Data 3 / 3  
 
06/23/2005 12/12/2005
70 FR 59657
Ogden Area UT Maintenance 09/26/1995 Moderate 82,825 2017-2019   Insufficient Data 3 / 1 02/06/2013
78 FR 885
  03/27/2020
85 FR 10989
Olmsted County; (part) MN Maintenance 11/15/1990 Moderate 96,199 2017-2019   No Data 3 / 3  
 
09/07/1994 07/31/1995
60 FR 28339
Pierce County; Tacoma WA Maintenance 11/15/1990 Moderate 238,725 2017-2019   No Data 3 / 3 05/14/2001
66 FR 14492
08/23/1999 05/14/2001
66 FR 14492
Pima County; Ajo planning area AZ Maintenance 11/15/1990 Moderate 8,823 2017-2019 0.4 Yes 3 / 2 04/10/2006
71 FR 6352
05/10/2019 09/03/2020
85 FR 47032
Pima County; Rillito planning area AZ Nonattainment 11/15/1990 Moderate 588 2017-2019 1.7 No 3 / 2 10/10/2006
71 FR 44920
   
Pinal County (part); West Pinal AZ Nonattainment 07/02/2012 Serious 283,032 2017-2019 26.4 No 3 / 1  
 
   
Pitkin County; Aspen CO Maintenance 11/15/1990 Moderate 6,772 2017-2019 0.0 Yes 3 / 3  
 
11/09/2001 07/14/2003
68 FR 26212
Power-Bannock Counties; Portneuf Valley Area ID Maintenance 11/15/1990 Moderate 72,396 2017-2019 0.7 Yes 3 / 3 08/26/2002
67 FR 48552
06/30/2004 08/14/2006
71 FR 39574
Prowers County; Lamar CO Maintenance 11/15/1990 Moderate 7,523 2017-2019 0.3 Yes 3 / 3  
 
07/31/2002 11/25/2005
70 FR 61563
Ramsey County; (part) MN Maintenance 11/15/1990 Moderate 284,783 2017-2019 0.0 Yes 3 / 3  
 
06/20/2002 09/24/2002
67 FR 48787
Riverside County; Coachella Valley planning area CA Nonattainment 11/15/1990 Serious 257,794 2017-2019 4.5 No 3 / 2  
 
03/29/2010  
Riverside, Los Angeles, Orange, and San Bernardino Counties; South Coast Air Basin CA Maintenance 11/15/1990 Serious 15,799,134 2017-2019 2.0 No 3 / 3  
 
04/28/2010 07/26/2013
78 FR 38223
Rosebud County; Lame Deer MT Nonattainment 11/15/1990 Moderate 527 2017-2019   No Data 3 / 0  
 
   
Routt County (part); Steamboat Springs CO Maintenance 01/20/1994 Moderate 12,088 2017-2019 0.3 Yes 3 / 3  
 
07/31/2002 11/24/2004
69 FR 62210
Sacramento County CA Maintenance 01/20/1994 Moderate 1,418,788 2017-2019 4.1 No 3 / 0 03/18/2002
67 FR 7082
  10/28/2013
78 FR 59261
Salt Lake County UT Maintenance 11/15/1990 Moderate 1,029,655 2017-2019 0.3 Yes 3 / 3  
 
  03/27/2020
85 FR 10989
San Bernardino County (part); excluding Searles Valley Planning area and South Coast Air Basin CA Nonattainment 01/20/1994 Moderate 237,418 2017-2019 1.3 No 3 / 1 03/18/2002
67 FR 7082
   
San Joaquin Valley Air Basin; Fresno, Kern, Kings, Madera, Merced, San Joaquin, Stanislaus, Tulare Counties CA Maintenance 11/15/1990 Serious 3,830,257 2017-2019 8.4 No 3 / 3  
 
08/19/2003 12/12/2008
73 FR 66759
San Miguel County; Telluride CO Maintenance 11/15/1990 Moderate 2,014 2017-2019 0.0 Yes 3 / 3  
 
05/10/2000 08/14/2001
66 FR 32556
Sanders County (part); Thompson Falls and vicinity MT Nonattainment 01/20/1994 Moderate 1,317 2017-2019 0.4 Yes 3 / 3  
 
   
Santa Cruz County; Nogales planning area AZ Nonattainment 11/15/1990 Moderate 30,359 2017-2019 0.7 Yes 3 / 2 02/10/2011
76 FR 1532
   
Sheridan County; City of Sheridan WY Maintenance 11/15/1990 Moderate 17,300 2017-2019 0.0 Yes 3 / 3  
 
06/02/2017 05/04/2018
83 FR 14373
Shoshone County; City of Pinehurst ID Maintenance 11/15/1990 Moderate 1,578 2017-2019 0.0 Yes 3 / 3 10/22/2001
66 FR 44304
09/29/2017 10/11/2018
83 FR 45830
Shoshone County; Pinehurst Expansion Area ID Maintenance 01/20/1994 Moderate 9,691 2017-2019   No Data 1 / 1 10/22/2001
66 FR 44304
09/29/2017 10/11/2018
83 FR 45830
Silver Bow County; Butte MT Nonattainment 11/15/1990 Moderate 34,201 2017-2019 0.0 Yes 3 / 3  
 
   
Spokane County; (part) WA Maintenance 11/15/1990 Moderate 230,807 2017-2019 2.0 No 3 / 3 10/24/2001
66 FR 48808
11/30/2004 08/30/2005
70 FR 38029
Thurston County; Cities of Olympia, Tumwater, and Lacey WA Maintenance 11/15/1990 Moderate 98,562 2017-2019   No Data 3 / 3  
 
08/16/1999 12/04/2000
65 FR 59128
Trona CA Nonattainment 11/15/1990 Moderate 4,167 2017-2019   Insufficient Data 3 / 0 09/05/2002
67 FR 50805
   
Union County; LaGrande OR Maintenance 11/15/1990 Moderate 13,094 2017-2019   Insufficient Data 3 / 3 07/19/2006
71 FR 35161
10/25/2005 07/19/2006
71 FR 35161
Utah County UT Maintenance 11/15/1990 Moderate 516,564 2017-2019 0.0 Yes 3 / 3  
 
  03/27/2020
85 FR 10989
Vermillion County; Part of Clinton Township IN Maintenance 11/15/1990 Moderate 9,119 2017-2019   No Data 3 / 3  
 
06/17/1997 10/27/1997
62 FR 45168
Walla Walla County; Wallula WA Maintenance 11/15/1990 Serious 426 2017-2019 3.2 No 3 / 3 11/21/2002
67 FR 64815
03/29/2005 09/26/2005
70 FR 50212
Washoe County; Reno planning area NV Maintenance 02/07/2001 Serious 421,404 2017-2019 0.0 Yes 3 / 2 05/19/2011
76 FR 21807
11/07/2014 01/07/2016
80 FR 76232
Wayne County; (part) MI Maintenance 11/15/1990 Moderate 713,777 2017-2019 0.0 Yes 3 / 3  
 
07/24/1995 10/04/1996
61 FR 40516
Yakima County; (part) WA Maintenance 11/15/1990 Moderate 69,565 2017-2019 1.6 No 3 / 3 03/10/2005
70 FR 6591
07/15/2004 03/10/2005
70 FR 6591
Yuma County; Yuma planning area AZ Nonattainment 11/15/1990 Moderate 100,710 2017-2019 5.7 No 3 / 1 05/15/2006
71 FR 13021
   
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.