California Valley Hits 1997 Air Clean Mark, EPA Says
Published Date: 7/16/2025
Proposed Rule
Summary
The EPA says the San Joaquin Valley in California has cleaned up its air enough to meet the 1997 fine particle pollution standards by the end of 2024. This means the area is on track to breathe easier, thanks to better air quality from 2022 to 2024. People living and working there can expect healthier air, and the EPA is asking for feedback before making it official.
Analyzed Economic Effects
1 provisions identified: 1 benefits, 0 costs, 0 mixed.
San Joaquin Valley Met 1997 PM2.5 Standard
If you live or work in the San Joaquin Valley, the EPA proposes that the area met the 1997 annual fine particle (PM2.5) air quality standard by the December 31, 2024 attainment date based on monitoring from 2022 through 2024. The EPA is also proposing a Clean Data Determination using the 2022–2024 data and preliminary 2025 monitoring data and is taking public comments before final action.
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Key Dates
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