Every article on this site is written by AI from official sources and checked by a second AI. How it works
Final ruleTook effect Aug. 31, 2026

Air Plan Approval; California; San Joaquin Valley Air Pollution Control District

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register July 30, 2026. Document 2026-15377. Updated Nov. 7, 2026.

What it does

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the San Joaquin Valley Air Pollution Control District (SJVAPCD or "District") portion of the California State Implementation Plan (SIP) concerning two rules submitted to address section 185 of the Clean Air Act (CAA or the "Act") with respect to the 2008 and 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS or "standards").

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

What changed in the regulation

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

40 CFR 52

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 243 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This rule is effective August 31, 2026.

The agency's dates, word for word.

Document number2026-15377
ActionFinal rule.
AgenciesEnvironmental Protection Agency
PublishedJuly 30, 2026
Effective dateAug. 31, 2026
DocketEPA-R09-OAR-2025-1938

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