SIP Status Reports

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Status of Designated Areas for the Ozone-8Hr (2008) NAAQS

by Area Name, State
As of 12/01/2020




Ozone-8Hr (2008) Areas    Return to NAAQS selection
 
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Area
State 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
Allentown-Bethlehem-Easton PA Nonattainment 07/20/2012 Marginal 712,481 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697
   
Atlanta GA Maintenance 07/20/2012 Moderate 4,753,017 2017-2019 0.073 Yes 55 / 3 08/15/2016
81 FR 45419
07/18/2016 06/02/2017
82 FR 25523
Baltimore MD Nonattainment 07/20/2012 Moderate 2,662,691 2017-2019 0.075 Yes 54 / 47 09/23/2019
84 FR 44238
   
Baton Rouge LA Maintenance 07/20/2012 Marginal 732,587 2017-2019 0.071 Yes 3 / 3 06/03/2016
81 FR 26697
05/16/2016 03/21/2017
81 FR 95051
Calaveras County CA Nonattainment 07/20/2012 Marginal 45,578 2017-2019 0.073 Yes 3 / 2 06/03/2016
81 FR 26697
   
Charlotte-Rock Hill SC Maintenance 07/20/2012 Marginal 177,819 2017-2019 0.070 Yes 3 / 2 06/03/2016
81 FR 26697
04/17/2015 01/11/2016
80 FR 76865
Charlotte-Rock Hill NC Maintenance 07/20/2012 Marginal 1,723,605 2017-2019 0.070 Yes 3 / 2 06/03/2016
81 FR 26697
04/16/2015 08/27/2015
80 FR 44873
Chicago-Naperville WI Nonattainment 07/20/2012 Serious 129,844 2017-2019 0.075 Yes 59 / 46  
 
01/21/2020  
Chicago-Naperville IL Nonattainment 07/20/2012 Serious 8,389,546 2017-2019 0.075 Yes 59 / 5  
 
05/06/2020  
Chicago-Naperville IN Nonattainment 07/20/2012 Serious 660,348 2017-2019 0.075 Yes 59 / 2  
 
02/27/2020  
Chico (Butte County) CA Nonattainment 07/20/2012 Marginal 220,000 2017-2019 0.062 Yes 3 / 3 06/03/2016
81 FR 26697
   
Cincinnati IN Maintenance 07/20/2012 Marginal 13,600 2017-2019 0.074 Yes 3 / 2 06/03/2016
81 FR 26697
02/23/2016 04/07/2017
82 FR 16940
Cincinnati KY Maintenance 07/20/2012 Marginal 352,751 2017-2019 0.074 Yes 3 / 3 06/03/2016
81 FR 26697
08/26/2016 07/05/2017
82 FR 30976
Cincinnati OH Maintenance 07/20/2012 Marginal 1,622,600 2017-2019 0.074 Yes 3 / 3 06/03/2016
81 FR 26697
04/21/2016 12/16/2016
81 FR 91035
Cleveland-Akron-Lorain OH Maintenance 07/20/2012 Marginal 2,881,937 2017-2019 0.073 Yes 3 / 3 08/26/2016
81 FR 41444
07/06/2016 01/06/2017
82 FR 1603
Columbus OH Maintenance 07/20/2012 Marginal 1,754,632 2017-2019 0.068 Yes 3 / 3 06/03/2016
81 FR 26697
06/16/2016 12/21/2016
81 FR 93631
Dallas-Fort Worth TX Nonattainment 07/20/2012 Serious 6,280,413 2017-2019 0.077 No 58 / 52  
 
   
Denver-Boulder-Greeley-Ft. Collins-Loveland CO Nonattainment 07/20/2012 Serious 3,330,139 2017-2019 0.078 No 59 / 47  
 
   
Dukes County MA Nonattainment 07/20/2012 Marginal 16,535 2017-2019 0.071 Yes 3 / 3 06/03/2016
81 FR 26697
   
Greater Connecticut CT Nonattainment 07/20/2012 Serious 1,629,115 2017-2019 0.075 Yes 59 / 53 08/12/2020
85 FR 41924
   
Houston-Galveston-Brazoria TX Nonattainment 07/20/2012 Serious 5,891,999 2017-2019 0.081 No 59 / 53  
 
   
Imperial County CA Nonattainment 07/20/2012 Moderate 174,528 2017-2019 0.079 No 54 / 7 03/30/2020
85 FR 11817
   
Inland Sheboygan County WI Maintenance 07/15/2019 Moderate 53,851 2017-2019 0.066 Yes 55 / 52 07/15/2019
84 FR 33699
10/09/2019 07/10/2020
85 FR 41400
Jamestown NY Nonattainment 07/20/2012 Marginal 134,905 2017-2019 0.067 Yes 3 / 2 06/03/2016
81 FR 26697
   
Kern County (Eastern Kern) CA Nonattainment 07/20/2012 Serious 95,176 2017-2019 0.081 No 57 / 0  
 
   
Knoxville TN Maintenance 07/20/2012 Marginal 573,452 2017-2019 0.065 Yes 3 / 2 06/03/2016
81 FR 26697
11/14/2014 08/12/2015
80 FR 39970
Lancaster PA Nonattainment 07/20/2012 Marginal 519,445 2017-2019 0.067 Yes 3 / 2 06/03/2016
81 FR 26697
   
Los Angeles-San Bernardino Counties (West Mojave Desert) CA Nonattainment 07/20/2012 Severe 15 868,380 2017-2019 0.095 No 107 / 92  
 
   
Los Angeles-South Coast Air Basin CA Nonattainment 07/20/2012 Extreme 15,719,485 2017-2019 0.108 No 59 / 56  
 
   
Mariposa County CA Nonattainment 07/20/2012 Moderate 18,251 2017-2019 0.077 No 54 / 1 09/23/2019
84 FR 44238
   
Memphis AR Maintenance 07/20/2012 Marginal 50,902 2017-2019 0.069 Yes 3 / 3 06/03/2016
81 FR 26697
12/10/2015 05/25/2016
81 FR 24030
Memphis TN Maintenance 07/20/2012 Marginal 927,644 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697
01/19/2016 07/25/2016
81 FR 40816
Memphis MS Maintenance 07/20/2012 Marginal 148,923 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697
12/04/2015 05/09/2016
81 FR 20543
Morongo Band of Mission Indians CA Nonattainment 07/20/2012 Serious 913 2017-2019 0.101 No 53 / 0  
 
   
Nevada County (Western part) CA Nonattainment 07/20/2012 Serious 82,107 2017-2019 0.085 No 57 / 47  
 
   
New York-N. New Jersey-Long Island CT Nonattainment 07/20/2012 Serious 1,944,982 2017-2019 0.082 No 59 / 53  
 
   
New York-N. New Jersey-Long Island NJ Nonattainment 07/20/2012 Serious 6,003,340 2017-2019 0.082 No 59 / 52  
 
   
New York-N. New Jersey-Long Island NY Nonattainment 07/20/2012 Serious 12,268,815 2017-2019 0.082 No 59 / 50  
 
   
OTR NY               47 / 46  
 
   
OTR NH               47 / 1  
 
   
OTR NJ               47 / 47  
 
   
OTR MA               47 / 47  
 
   
OTR DC               47 / 46  
 
   
OTR MD               47 / 45  
 
   
OTR PA               47 / 4  
 
   
OTR RI               47 / 47  
 
   
OTR VT               47 / 47  
 
   
OTR CT               47 / 46  
 
   
OTR DE               47 / 47  
 
   
OTR ME               47 / 46  
 
   
OTR VA               47 / 0  
 
   
Pechanga Band of Luiseņo Mission Indians of the Pechanga Reservation CA Nonattainment 07/20/2012 Moderate 2,844 2017-2019 0.079 No 53 / 0  
 
   
Philadelphia-Wilmington-Atlantic City MD Nonattainment 07/20/2012 Marginal 101,108 2017-2019 0.076 No 3 / 2 12/04/2017
82 FR 50814
   
Philadelphia-Wilmington-Atlantic City DE Nonattainment 07/20/2012 Marginal 538,479 2017-2019 0.076 No 3 / 2 12/04/2017
82 FR 50814
   
Philadelphia-Wilmington-Atlantic City PA Nonattainment 07/20/2012 Marginal 4,008,994 2017-2019 0.076 No 3 / 3 12/04/2017
82 FR 50814
   
Philadelphia-Wilmington-Atlantic City NJ Nonattainment 07/20/2012 Marginal 2,788,554 2017-2019 0.076 No 3 / 3 12/04/2017
82 FR 50814
   
Phoenix-Mesa AZ Nonattainment 07/20/2012 Moderate 3,849,627 2017-2019 0.077 No 104 / 48 12/12/2019
84 FR 60920
   
Pittsburgh-Beaver Valley PA Nonattainment 07/20/2012 Marginal 2,356,285 2017-2019 0.068 Yes 3 / 2 01/05/2017
81 FR 87819
   
Reading PA Nonattainment 07/20/2012 Marginal 411,442 2017-2019 0.069 Yes 3 / 2 06/03/2016
81 FR 26697
   
Riverside County (Coachella Valley) CA Nonattainment 07/20/2012 Severe 15 425,806 2017-2019 0.089 No 58 / 54  
 
   
Sacramento Metro CA Nonattainment 07/20/2012 Severe 15 2,241,057 2017-2019 0.086 No 254 / 176  
 
   
San Diego County CA Nonattainment 07/20/2012 Serious 3,095,199 2017-2019 0.082 No 59 / 3  
 
   
San Francisco Bay Area CA Nonattainment 07/20/2012 Marginal 6,973,020 2017-2019 0.073 Yes 3 / 2 06/03/2016
81 FR 26697
   
San Joaquin Valley CA Nonattainment 07/20/2012 Extreme 3,842,365 2017-2019 0.088 No 59 / 57  
 
   
San Luis Obispo (Eastern San Luis Obispo) CA Nonattainment 07/20/2012 Marginal 1,649 2017-2019 0.070 Yes 3 / 2 01/20/2017
81 FR 93620
   
Seaford DE Nonattainment 07/20/2012 Marginal 197,145 2017-2019 0.065 Yes 3 / 2 06/03/2016
81 FR 26697
   
Shoreline Sheboygan County WI Maintenance 07/15/2019 Moderate 61,656 2017-2019 0.075 Yes 55 / 52 07/10/2020
85 FR 41405
02/11/2020 07/10/2020
85 FR 41405
St. Louis-St. Charles-Farmington MO Maintenance 07/20/2012 Marginal 1,998,958 2017-2019 0.071 Yes 3 / 3 08/26/2016
81 FR 41444
09/15/2016 09/20/2018
83 FR 47572
St. Louis-St. Charles-Farmington IL Maintenance 07/20/2012 Marginal 572,295 2017-2019 0.071 Yes 3 / 2 08/26/2016
81 FR 41444
05/08/2017 03/01/2018
83 FR 8756
Tuscan Buttes CA Nonattainment 07/20/2012 Marginal 0 2017-2019   Insufficient Data 3 / 0 06/03/2016
81 FR 26697
   
Upper Green River Basin Area WY Nonattainment 07/20/2012 Marginal 11,498 2017-2019 0.072 Yes 3 / 1 06/03/2016
81 FR 26697
   
Ventura County CA Nonattainment 07/20/2012 Serious 823,262 2017-2019 0.076 No 54 / 53  
 
   
Washington MD Maintenance 07/20/2012 Marginal 2,303,870 2017-2019 0.072 Yes 3 / 3 12/14/2017
82 FR 52651
02/05/2018 05/15/2019
84 FR 15108
Washington DC Maintenance 07/20/2012 Marginal 601,723 2017-2019 0.072 Yes 3 / 2 12/14/2017
82 FR 52651
03/12/2018 08/15/2019
84 FR 33855
Washington VA Maintenance 07/20/2012 Marginal 2,230,623 2017-2019 0.072 Yes 3 / 3 12/14/2017
82 FR 52651
01/03/2018 05/15/2019
84 FR 15108
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.