Data / Federal rules / 2026-04159

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

The Environmental Protection Agency published this final rule in the Federal Register on March 3, 2026. It took effect on April 2, 2026.

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What the agency says

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.

Key facts

Document number: 2026-04159
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: March 3, 2026
Takes effect: April 2, 2026
Dates: This final rule is effective April 2, 2026.
Docket: EPA-R10-OAR-2023-0348; FRL-11133-02-R10
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Carbon monoxide; Environmental protection; Incorporation by reference; Intergovernmental relations; Lead; Nitrogen dioxide; Ozone; Particulate matter; Reporting and recordkeeping requirements; Sulfur oxides; Volatile organic compounds
Pages: 4

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on carbon monoxide · Rules on environmental protection · Published in March 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.