The thick, white smoky haze that increased north and east of the city was primarily the result of wildland fires in New Jersey and Canada.

An air quality alert has been issued by DC Homeland Security & Emergency Management for the District Saturday. The alert was ...

Thursday will be a sunny, hot and hazy day in Philadelphia, though a Code Orange Air Quality Alert is in effect for much of ...

A Code Orange Air Quality Action Day has been issued for parts of the Pittsburgh area on Thursday.

A hot and humid Thursday will bring a Code Orange Air Quality Alert for parts of the Washington, D.C., area, as temperatures ...

On Saturday at 11:38 a.m. the National Weather Service reported an updated air quality alert in effect until Sunday at ...

Thursday will likely be our first 90+ day of the year. The D.C. area is also under a Code Orange Air Quality Alert.

Officials say hazy sunshine through low-level Canadian wildfire smoke, high temperatures and light southwest winds will ...

Philadelphia faces a code orange air quality alert, with sensitive groups advised to avoid outdoor activities due to ...

An air quality alert was reported by the National Weather Service on Saturday at 10:18 a.m. in effect until Sunday at ...