Green Book
You are here: EPA Home
>
Green Book
>
8-Hour Ozone (2015) Federal Register Notice Classification Changes
8-Hour Ozone (2015) Federal Register Notice Classification Changes
Data is current as of June 30, 2025Ordered by Classification
Click on the 'FR' link to view the Federal Register Notice
SEVERE 15 | |||
San Diego County, CA | |||
Reclassify from Moderate to Severe 15 | |||
Proposed Approval | 04/08/2021 | 86 FR 18227 | |
Final Approval | 06/02/2021 | 86 FR 29522 | Effective: 07/02/2021 |
SERIOUS | |||
Allegan County, MI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Baltimore, MD | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 08/01/2024 | 89 FR 62663 | Effective: 08/01/2024 |
Berrien County, MI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Chicago, IL-IN-WI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Cleveland, OH | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Dallas-Fort Worth, TX | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Proposed Approval | 01/26/2024 | 89 FR 5145 | |
Final Approval | 06/20/2024 | 89 FR 51829 | Effective: 07/22/2024 |
Denver Metro/North Front Range, CO | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 07/24/2024 | 89 FR 59832 | Effective: 07/24/2024 |
Greater Connecticut, CT | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 07/29/2024 | 89 FR 60827 | Effective: 07/29/2024 |
Houston-Galveston-Brazoria, TX | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Proposed Approval | 01/26/2024 | 89 FR 5145 | |
Final Approval | 06/20/2024 | 89 FR 51829 | Effective: 07/22/2024 |
Kern County (Eastern Kern), CA | |||
Reclassify from Moderate to Serious | |||
Proposed Approval | 08/13/2021 | 86 FR 44677 | |
Final Approval | 10/28/2021 | 86 FR 59648 | Effective: 11/29/2021 |
Las Vegas, NV | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 07/22/2022 | 87 FR 43764 | |
Final Approval | 01/05/2023 | 88 FR 775 | Effective: 01/05/2023 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/19/2024 | 89 FR 103657 | Effective: 01/21/2025 |
Milwaukee, WI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Muskegon County, MI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Nevada County (Western part), CA | |||
Reclassify from Moderate to Serious | |||
Proposed Approval | 08/13/2021 | 86 FR 44677 | |
Final Approval | 10/28/2021 | 86 FR 59648 | Effective: 11/29/2021 |
New York-Northern New Jersey-Long Island, NY-NJ-CT | |||
Reclassify from Moderate to Serious | |||
Final Approval | 07/25/2024 | 89 FR 60314 | Effective: 07/25/2024 |
Northern Wasatch Front, UT | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/09/2024 | 89 FR 97545 | Effective: 01/08/2025 |
Philadelphia-Wilmington-Atlantic City, PA-NJ-MD-DE | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 07/30/2024 | 89 FR 61025 | Effective: 07/30/2024 |
Sacramento Metro, CA | |||
Reclassify from Moderate to Serious | |||
Proposed Approval | 08/13/2021 | 86 FR 44677 | |
Final Approval | 10/28/2021 | 86 FR 59648 | Effective: 11/29/2021 |
San Antonio, TX | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Proposed Approval | 01/26/2024 | 89 FR 5145 | |
Final Approval | 06/20/2024 | 89 FR 51829 | Effective: 07/22/2024 |
Sheboygan County, WI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
St. Louis, MO-IL | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Reclassify from Moderate to Serious | |||
Final Approval | 11/25/2024 | 89 FR 92816 | Effective: 12/31/2024 |
Final Approval | 12/17/2024 | 89 FR 101901 | Effective: 01/16/2025 |
Proposed Approval | 06/20/2025 | 90 FR 26240 | |
MODERATE | |||
Cincinnati, OH-KY | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Detroit, MI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 02/01/2023 | 88 FR 6633 | Effective: 03/01/2023 |
Louisville, KY-IN | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Mariposa County, CA | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Pechanga Band of Luiseno Mission Indians of the Pechanga Reservation, CA | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Phoenix-Mesa, AZ | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Uinta Basin, UT | |||
Reclassify from Marginal to Moderate | |||
Final Approval | 12/16/2024 | 89 FR 101483 | Effective: 01/15/2025 |
Washington, DC-MD-VA | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
MARGINAL | |||
Cincinnati, OH-KY | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
Louisville, KY-IN | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 | |
Final Approval | 10/07/2022 | 87 FR 60897 | Effective: 11/07/2022 |
MARGINAL (RURAL TRANSPORT) | |||
Door County-Revised, WI | |||
Reclassify from Marginal to Moderate | |||
Proposed Approval | 04/13/2022 | 87 FR 21842 |
Go Top