PM-2.5 (2012) Attainment Date Extensions

Data is current as of October 31, 2026
Ordered by Classification

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

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SERIOUS
Los Angeles-South Coast Air Basin, CA
Proposed Approval	06/11/2026	91 FR 35445
Final Approval	10/01/2026	91 FR 62316	Effective: 11/02/2026
San Joaquin Valley, CA
Proposed Approval	06/11/2026	91 FR 35437

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