AQI Alerts for Washington, DC

# HEADLINE -------------------- AIR QUALITY ALERT IS IN EFFECT FOR SATURDAY JULY 4 2026 # SUMMARY -------------------- The Metropolitan Washington Council of Governments and District Department of Environment has issued a Code PURPLE Air Quality Alert Saturday for the District of Columbia. For more information on ground-level ozone and fine particles visit the web site https://www.mwcog.org/environment/air/forecast/ # DETAILS -------------------- ISSUED AT Friday, July 3, 2026 at 4:40 PM EDT ISSUED BY Relayed by National Weather Service Baltimore MD/Washington DC HEADER Air Quality Alert Message | MD Dept of Environment and VA Dept of Environmental Quality # AREAS AFFECTED -------------------- District of Columbia