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Środowisko i energia · 10/04/2026

Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment Area

The Environmental Protection Agency (EPA) is proposing to redesignate the St. Clair nonattainment area in southeast Michigan to attainment for the 2010 sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS), and approve Michigan's maintenance plan for the St. Clair SO2 nonattainment area.

Source: Federal Register — Environmental Protection AgencyOpen original release →