• Air Quality Alert - Windblown Dust and Ash Advisory Windblown dust advisory for Coachella Valley
  • Wildfire Smoke, Ash & Safety Tips Wildfires can often cause very high air pollution levels that are harmful to your health. Protect your health by taking steps Before, During, and After a wildfire to reduce how much pollution you are breathing. Visit our Wildfire Smoke & Ash Health & Safety Tips page for more info.

South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765

909-396-2000

© 2025 South Coast Air Quality Management District