Attainment Date Extension for the South Coast, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area
By Environmental Protection Agency · Sep 30, 2026, 11:00 PM CDT
The U.S. Environmental Protection Agency (EPA or "Agency") is granting an extension of the "Serious" area attainment date for the Los Angeles-South Coast Air Basin ("South Coast Air Basin" or "South Coast") nonattainment area for the 2012 annual fine particulate matter less than or equal to 2.5 [micro]m in diameter (PM<INF>2.5</INF>) national ambient air quality standards (NAAQS) from December 31,
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Layer 1 · Claims & fact checks
AI analysisLayer 3 · Reporting analysis
AI analysisformal languageUses formal, technical terminology typical of regulatory announcements.
authority framingFrames the decision as grounded in legal criteria, lending legitimacy to the extension.
specificityProvides precise dates, which helps readers understand the scope of the change.
Context
AI analysisMissing context
The specific statutory criteria the State satisfied, the reasons for the original deadline, and any implications for public health, local economies, or future regulatory actions are not provided.
Important context
The extension reflects a legal determination that the State met required criteria, indicating that the EPA believes the State has taken sufficient action to justify a later attainment date under the Clean Air Act provisions for serious nonattainment areas.
Opinion vs. reporting
AI analysisThe text is presented as a factual report of an agency action without editorial commentary or opinion.