Explore 2 court opinions on Clean Air Act National Ambient Air Quality Standards Naaqs . AI-powered plain English summaries, key holdings, and legal analysis.
2 recent cases analyzed in this topic area.
Fifth Circuit Vacates EPA's PM2.5 Air Quality Standard
Wynnewood Refining v. EPA, decided by Fifth Circuit on August 7, 2025, resulted in a remanded outcome. The Fifth Circuit reviewed the EPA's final rule establishing a national ambient air quality stand...
D.C. Circuit Upholds EPA's PM2.5 Air Quality Standards, Remands One Aspect
United States Steel Corporation v. EPA, decided by D.C. Circuit on May 2, 2025, resulted in a mixed outcome. The D.C. Circuit reviewed the EPA's final rule establishing a national ambient air quality ...