PM-2.5 (1997) Clean Data Determination/Attainment Determinations For Areas with Current Nonattainment Status

Data is current as of March 31, 2024
Ordered by Area Name

Click on the 'FR' link to view the Federal Register Notice

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SERIOUS
San Joaquin Valley, CA
Determination of Attainment by Attainment Date
Proposed Approval	09/24/2021	86 FR 53150
Final Approval	01/28/2022	87 FR 4503	Effective: 02/28/2022
MODERATE
Liberty-Clairton, PA
Both Clean Data Determination and Determination of Attainment by Attainment Date
Proposed Approval	07/23/2013	78 FR 44070
Final Approval	10/25/2013	78 FR 63881	Effective: 11/25/2013
Los Angeles-South Coast Air Basin, CA
Clean Data Determination
Proposed Approval	12/09/2014	79 FR 72999
Final Approval	07/25/2016	81 FR 48350	Effective: 08/24/2016

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