Attainment Date Extension for the South Coast, California 2012 Annual PM2.5 Fine Particulate Matter Nonattainment Area
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, 2025, to December 31, 2030, based on a determination that the State has satisfied the statutory criteria for this extension.
What this item does
The short version, using the agency's own summary text.
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, 2025, to December 31, 2030, based on a determination that the State has satisfied the statutory criteria for this extension.
Final action.
Important dates
The dates that matter most for this item.
Published
October 1, 2026
Starts
November 2, 2026
Who published it
The agencies listed in the official filing.
Federal rulebook sections mentioned
These are the parts of the Code of Federal Regulations cited in the filing.