Regulacje i polityka gospodarcza · 13/08/2026

EPA Approves Clean Data for Missouri Portion of St. Louis Nonattainment Area

The Environmental Protection Agency (EPA) has determined that the Missouri portion of the St. Louis, MO-IL bi-state nonattainment area has achieved clean data for the 2015 8-hour ozone National Ambient Air Quality Standard (NAAQS) based on quality-assured air monitoring data for the 2023-2025 design value period.