Air Plan Approval; California; Reasonable Further Progress Plan for the Coachella Valley Ozone Nonattainment Area

Open for public comment until Nov. 30, 2026. Comment on Regulations.gov

What it does

The U.S. Environmental Protection Agency (EPA or "the Agency") is proposing to approve a state implementation plan (SIP) revision from the State of California to meet the Clean Air Act (CAA) "Extreme" nonattainment area requirements for the Riverside County (Coachella Valley), California ozone nonattainment area ("Coachella Valley") for the 2008 8-hour ozone national ambient air quality standards (NAAQS or "standards"). Specifically, the Agency is proposing to approve the reasonable further progress (RFP) demonstration and associated emissions inventory and motor vehicle emissions budgets ("budgets") for the Coachella Valley.

The Environmental Protection Agency's summary, as published in the Federal Register.

What it would change

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

What happens next and when

Written comments must arrive on or before November 30, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R09-OAR-2026-7129 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register