U.S. EPA Proposed Determination: Cleveland Area Attains Ozone NAAQS

On February 27, 2026, U.S. EPA issued a proposed rule that, if finalized, would position the Cleveland, Ohio Nonattainment Area for redesignation to attainment of the 2015 ozone National Ambient Air Quality Standard (NAAQS).... By: Vorys, Sater, Seymour and Pease LLP