EPA Finally Approves California's Decades-Old Air Quality Homework
Published Date: 12/11/2025
Rule
Summary
The EPA just gave the green light to a new air quality rule for Southern California’s South Coast area, helping fight ozone pollution and keep the air cleaner. This change affects local businesses and residents by updating how pollution limits are enforced, starting January 12, 2026. No big costs are expected, but it’s a win for healthier air and clearer skies!
Analyzed Economic Effects
2 provisions identified: 1 benefits, 0 costs, 1 mixed.
SCAQMD Rule 317.1 Added to SIP
If you live in California, the EPA approved South Coast Air Quality Management District (SCAQMD) Rule 317.1 into the California State Implementation Plan, effective January 12, 2026. The rule (adopted June 7, 2024 and submitted August 13, 2024) addresses Clean Air Act section 185 fee program requirements for the 1997 and 2008 8-hour ozone standards.
Section 185 Fee Program Incorporated
The EPA incorporated SCAQMD Rule 317.1, titled 'Clean Air Act Nonattainment Fees For 8-Hour Ozone Standards,' which addresses Clean Air Act section 185 fee program requirements. The EPA also certified that this action "is not having a significant economic impact on a substantial number of small entities" under the Regulatory Flexibility Act.
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