Deal would set deadline on California smog cleanup plan

By Sean Reilly | 07/03/2025 01:46 PM EDT

The proposal regards a previously submitted smog control plan for the San Joaquin Valley, which has long had some of the nation’s dirtiest air.

A stretch of the California State Route 99 corridor in the San Joaquin Valley is shown busy with traffic.

A stretch of the California State Route 99 corridor in the San Joaquin Valley is shown busy with traffic in Fresno, California. Gary Kazanjian/AP

EPA has agreed to act by next year on a Clean Air Act cleanup plan for one of the nation’s most polluted regions, according to a proposed lawsuit settlement.

The tentative deal would require the agency to make a final decision by July 2026 on a previously submitted smog control plan for the San Joaquin Valley in central California, according to a summary of the terms in an upcoming Federal Register notice.

Smog is made up mostly of ground-level ozone, a lung-damaging compound tied to asthma attacks in children and worsened breathing difficulties for people suffering from emphysema and other chronic respiratory diseases.

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The lawsuit was brought last November by Little Manila Rising, a local community group, and two other organizations

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