SIP Status Reports
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Status of Designated Areas for the Ozone-8Hr (2008) NAAQS
Status of Designated Areas for the Ozone-8Hr (2008) NAAQS
by Area Name, StateNOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.
Ozone-8Hr (2008) Areas Return to NAAQS selection |
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Click on the Area name to view SIP Required Elements 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 |
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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 |
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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 / 3 | 06/03/2016 81 FR 26697 |
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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 |
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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 | |
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Denver-Boulder-Greeley-Ft. Collins-Loveland | CO | Nonattainment | 07/20/2012 | Serious | 3,330,139 | 2017-2019 | 0.078 | No | 59 / 47 | |
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Dukes County | MA | Nonattainment | 07/20/2012 | Marginal | 16,535 | 2017-2019 | 0.071 | Yes | 3 / 3 | 06/03/2016 81 FR 26697 |
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Greater Connecticut | CT | Nonattainment | 07/20/2012 | Serious | 1,629,115 | 2017-2019 | 0.075 | Yes | 59 / 53 | 08/12/2020 85 FR 41924 |
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Houston-Galveston-Brazoria | TX | Nonattainment | 07/20/2012 | Serious | 5,891,999 | 2017-2019 | 0.081 | No | 59 / 53 | |
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Imperial County | CA | Nonattainment | 07/20/2012 | Moderate | 174,528 | 2017-2019 | 0.079 | No | 54 / 53 | 03/30/2020 85 FR 11817 |
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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 |
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Kern County (Eastern Kern) | CA | Nonattainment | 07/20/2012 | Serious | 95,176 | 2017-2019 | 0.081 | No | 57 / 0 | |
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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 |
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Los Angeles-San Bernardino Counties (West Mojave Desert) | CA | Nonattainment | 07/20/2012 | Severe 15 | 868,380 | 2017-2019 | 0.095 | No | 107 / 92 | |
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Los Angeles-South Coast Air Basin | CA | Nonattainment | 07/20/2012 | Extreme | 15,719,485 | 2017-2019 | 0.108 | No | 59 / 56 | |
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Mariposa County | CA | Nonattainment | 07/20/2012 | Moderate | 18,251 | 2017-2019 | 0.077 | No | 54 / 3 | 09/23/2019 84 FR 44238 |
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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 | |
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Nevada County (Western part) | CA | Nonattainment | 07/20/2012 | Serious | 82,107 | 2017-2019 | 0.085 | No | 57 / 51 | |
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New York-N. New Jersey-Long Island | CT | Nonattainment | 07/20/2012 | Serious | 1,944,982 | 2017-2019 | 0.082 | No | 59 / 53 | |
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New York-N. New Jersey-Long Island | NJ | Nonattainment | 07/20/2012 | Serious | 6,003,340 | 2017-2019 | 0.082 | No | 59 / 52 | |
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New York-N. New Jersey-Long Island | NY | Nonattainment | 07/20/2012 | Serious | 12,268,815 | 2017-2019 | 0.082 | No | 59 / 50 | |
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OTR | NY | 47 / 46 | |
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OTR | NH | 47 / 1 | |
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OTR | NJ | 47 / 47 | |
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OTR | MA | 47 / 47 | |
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OTR | DC | 47 / 46 | |
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OTR | MD | 47 / 45 | |
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OTR | PA | 47 / 4 | |
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OTR | RI | 47 / 47 | |
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OTR | VT | 47 / 47 | |
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OTR | CT | 47 / 46 | |
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OTR | DE | 47 / 47 | |
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OTR | ME | 47 / 46 | |
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OTR | VA | 47 / 0 | |
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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 | |
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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 |
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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 |
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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 |
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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 |
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Phoenix-Mesa | AZ | Nonattainment | 07/20/2012 | Moderate | 3,849,627 | 2017-2019 | 0.077 | No | 104 / 92 | 12/12/2019 84 FR 60920 |
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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 |
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Reading | PA | Nonattainment | 07/20/2012 | Marginal | 411,442 | 2017-2019 | 0.069 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
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Riverside County (Coachella Valley) | CA | Nonattainment | 07/20/2012 | Severe 15 | 425,806 | 2017-2019 | 0.089 | No | 58 / 54 | |
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Sacramento Metro | CA | Nonattainment | 07/20/2012 | Severe 15 | 2,241,057 | 2017-2019 | 0.086 | No | 254 / 177 | |
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San Diego County | CA | Nonattainment | 07/20/2012 | Serious | 3,095,199 | 2017-2019 | 0.082 | No | 59 / 3 | |
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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 |
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San Joaquin Valley | CA | Nonattainment | 07/20/2012 | Extreme | 3,842,365 | 2017-2019 | 0.088 | No | 59 / 57 | |
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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 |
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Seaford | DE | Nonattainment | 07/20/2012 | Marginal | 197,145 | 2017-2019 | 0.065 | Yes | 3 / 2 | 06/03/2016 81 FR 26697 |
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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 |
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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 |
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Ventura County | CA | Nonattainment | 07/20/2012 | Serious | 823,262 | 2017-2019 | 0.076 | No | 54 / 53 | |
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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. |