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CARB Publishes 2026 State Implementation Plan Revisions for Extreme Ozone Nonattainment
California State Implementation PlansCalifornia Air Resources BoardCalifornia
Announced
Sep 22, 2026
Description
CARB published the 2026 State Implementation Plan (SIP) Revisions for California Extreme Ozone Nonattainment Areas. The SIP revisions address federal Clean Air Act requirements for areas not meeting the 75 ppb ozone National Ambient Air Quality Standard, including motor vehicle emissions budgets and control strategies.
Sources
Key Findings
CARB Publishes 2026 State Implementation Plan Revisions for Extreme Ozone Nonattainment
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