Energy & environment · 15/01/2026Updated: 10/16/2026 · 1 min read
Determination of Attainment by the Attainment Date; 1997 Ozone Standards; California; Coachella Valley
Summary
The Environmental Protection Agency (EPA) is proposing to determine that the Riverside County (Coachella Valley) 1997 ozone nonattainment area attained the 1997 ozone national ambient air quality standards by its June 15, 2025, attainment date, based on data from 2022 through 2024.