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PM-2.5 (2012) Clean Data Determination/Attainment Determinations For Areas with Current Nonattainment Status

Data is current as of January 31, 2023
Ordered by Area Name

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


MODERATE

Allegheny County, PA
Clean Data Determination
Proposed Approval 09/03/2021 86 FR 49497
Final Approval 03/16/2022 87 FR 14799 Effective: 04/15/2022

Imperial County, CA
Both Clean Data Determination and Determination of Attainment by Attainment Date
Proposed Approval 10/20/2022 87 FR 63751
Final Approval 01/11/2023 88 FR 1515 Effective: 02/10/2023


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