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Final ruleTook effect April 2, 2026

Air Plan Approval; AK; Regional Haze State Implementation Plan for the Second Implementation Period

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register March 3, 2026. Document 2026-04159. Updated Nov. 14, 2026.

What it does

The Environmental Protection Agency (EPA) is approving the Alaska regional haze plan for the second implementation period. Alaska submitted the plan to address applicable requirements under the Clean Air Act and the EPA's Regional Haze Rule.

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 248 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 final rule is effective April 2, 2026.

The agency's dates, word for word.

Document number2026-04159
ActionFinal rule.
AgenciesEnvironmental Protection Agency
PublishedMarch 3, 2026
Effective dateApril 2, 2026
DocketEPA-R10-OAR-2023-0348

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