Data / Federal rules / 2026-06396

Air Plan Approval; Michigan; Detroit 2010 Sulfur Dioxide Redesignation and Maintenance Plan

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

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What the agency says

The Environmental Protection Agency (EPA) is finding that the Detroit, Michigan area is attaining the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standard (NAAQS) and is acting in accordance with a request from the Michigan Department of Environment, Great Lakes, and Energy (EGLE) to redesignate the area to attainment for the 2010 SO<INF>2</INF> NAAQS, because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). The EPA is also approving Michigan's maintenance plan for the Detroit area. Michigan submitted the request for approval of the Detroit nonattainment area's redesignation and maintenance plan on May 5, 2025. The EPA approved Michigan's attainment plan for the Detroit area on May 19, 2025.

Key facts

Document number: 2026-06396
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: April 2, 2026
Takes effect: April 2, 2026
Dates: This final rule is effective on April 2, 2026.
Docket: EPA-R05-OAR-2025-0238; FRL-12841-02-R5
Code of Federal Regulations: 40 CFR 52; 40 CFR 81
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Reporting and recordkeeping requirements; Sulfur oxides; Wilderness areas
Pages: 5

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in April 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.