Energy & environment · 02/04/2026
Finding of Failure To Attain the 2006 24-Hour PM2.5 Standards; California; San Joaquin Valley; Error Correction
The Environmental Protection Agency (EPA) is proposing to correct a 2020 final action and deny California's extension request for the 2006 24-hour PM2.5 national ambient air quality standards in the San Joaquin Valley, citing failure to attain the standards by December 31, 2019.