Children, older adults and those with respiratory conditions could be vulnerable to the effects of air pollution in.

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

A Heat Advisory and Code Orange Air Quality Alert are in effect Wednesday for the Washington, D.C. metro area as temperatures ...

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 ...

On Tuesday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Thursday at ...

A Heat Advisory and Code Orange Air Quality Alert are in effect Wednesday for the Washington, D.C. metro area as temperatures ...

Arlington and the D.C. area is getting a dual whammy of dangerous heat and poor air quality today. A Heat Advisory is in ...