EPA Proposes Approval of Ohio's Air Quality Plan to Meet 1997 Fine Particulate Matter Standard

Summary

The US Environmental Protection Agency (EPA) is proposing to approve Ohio's request to redesignate its portion of the Huntington-Ashland nonattainment area to meet the 1997 annual standard for fine particulate matter (PM 2.5), a key air quality metric. The proposed actions aim to ensure Ohio's air quality meets federal standards through 2022.