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The EPA is proposing to change how it classifies the air quality in the Detroit area. Specifically, it wants to redesignate the region as being in “attainment” for the 2015 ozone standards. This means the air in Detroit has met the federal requirements for ozone levels set by the Clean Air Act.

Why it matters: This is largely an administrative update to align federal records with the actual air quality in Detroit, though it sets the formal rules for how much pollution motor vehicles can emit in the region through 2040.

Who it affects

  • Michigan state environmental regulators

This information comes from a proposed rule by the EPA; readers should consult the Federal Register before relying on these changes as final.

Agency: Environmental Protection Agency
Source: Federal Register — read the official document

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