Data / Federal rules / 2025-04035
Extension of the Attainment Date of the Coachella Valley Extreme Nonattainment Area Under the 1997 Ozone National Ambient Air Quality Standards
The Environmental Protection Agency published this proposed rule in the Federal Register on March 17, 2025. Comments closed on April 16, 2025.
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What the agency says
The Environmental Protection Agency (EPA) is proposing to grant a one-year extension of the "Extreme" attainment date for the 1997 ozone national ambient air quality standards (NAAQS) to the Riverside County (Coachella Valley) ozone nonattainment area ("Coachella Valley"). This action is based on the EPA's evaluation of air quality monitoring data and the extension request submitted by the State of California. We are taking comments on this proposal and plan to follow with a final action.
Key facts
- Document number
- 2025-04035
- Type
- Proposed rule
- Action
- Proposed rule
- Agency
- Environmental Protection Agency
- Published
- March 17, 2025
- Comments due
- April 16, 2025
- Dates
- Comments must be received on or before April 16, 2025.
- Docket
- EPA-R09-OAR-2024-0570; FRL-12518-01-R9
- Code of Federal Regulations
- 40 CFR 52
- Topics
- Air pollution control; Environmental protection; Incorporation by reference; Nitrogen oxides; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
- Pages
- 5
Other documents from the Environmental Protection Agency
Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in March 2025
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.