AQI Alerts for Chester, PA

# HEADLINE -------------------- AIR QUALITY ALERT IS IN EFFECT FOR TUESDAY JUNE 30 # SUMMARY -------------------- The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Tuesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/ # DETAILS -------------------- ISSUED AT Monday, June 29, 2026 at 3:45 PM EDT ISSUED BY Relayed by National Weather Service Mount Holly NJ HEADER Air Quality Alert Message | MD Dept of Environment, DE Dept of Natural Resources and | Environmental Control, NJ Dept of Environmental Protection, PA | Dept of Environmental Protection and Delaware Valley Regional | Planning Commission # AREAS AFFECTED -------------------- Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester, Western Montgomery