Proposed rule

Air Plan Approval; Michigan; Redesignation of the Detroit, MI Area to Attainment of the 2015 Ozone Standards

Environmental Protection Agency

Federal Register summary (shortened to 600 characters)

The Environmental Protection Agency (EPA) is proposing to approve a request from the Michigan Department of Environment, Great Lakes, and Energy (EGLE) to redesignate the Detroit, Michigan area to attainment for the 2015 ozone National Ambient Air Quality Standards (NAAQS) because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). EGLE submitted this request on January 3, 2022, and submitted a supplement to this request on May 18, 2026. The EPA is also proposing to approve, as a revision to the Michigan State Implementation Plan (SIP), the State's…

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