Ozone Air Quality Alert Issued For Philadelphia, Lehigh ValleyThe Department of Environmental Protection has issued an ozone air quality alert for much of Pennsylvania.
Philadelphia Among ‘25 Most Polluted Cities’ In AmericaA 2013 report by the American Lung Association has found that the air in and around Philadelphia may put people’s health at risk.
Outdoor Air Quality: Is America Suffocating Itself?This spring, runny eyes and a stuffed up nose may not be the result of seasonal allergens.
High Ozone Level Triggers Hot-Weather 'Code Orange' Alert For RegionPhiladelphia and its surrounding counties are under a "code orange," meaning the air contains unhealthy levels of ozone.
Pa. Extends 'Orange' Air Quality Alert For Philadelphia and SuburbsOrange means unhealthy pollution levels for sensitive people. Next would be red, which is unhealthy air for all.