The region has been under an Orange Air Quality Alert issued by the National Weather Service since Thursday. This is not the ...

The Pennsylvania Department of Environmental Protection declared a Code Orange Air Quality Action Day for Wednesday, due to ...

The heat and humidity mixed with smoke resulted in a "code orange" alert for Philly and its suburban counties.

DC's air quality is Code Orange, making it unhealthy for sensitive groups. Find out how to protect yourself as conditions ...

Wildfire smoke pouring into the state from Canadian fires has triggered a red air quality alert, signaling that the air is ...