Środowisko i energia · 12.02.2026
EPA Proposes Approval of Illinois' 2015 Ozone Standard Moderate Attainment Plan Elements
The Environmental Protection Agency (EPA) is proposing to approve portions of Illinois' 2015 ozone National Ambient Air Quality Standard (NAAQS) Moderate nonattainment area State Implementation Plan (SIP) submission for the Chicago and Metro East St. Louis areas.