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

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

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 ...

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

New Jersey's Burlington County wildfire grows to 3,250 acres, 30% contained, causing smoke to trigger 'Code Orange' air quality alerts in Philadelphia.

The National Weather Service reported an air quality alert at 3:45 p.m. on Wednesday in effect until Friday at midnight for ...

An air quality alert was reported by the National Weather Service on Wednesday at 3:45 p.m. in effect until Friday at ...

A Code Orange alert is in effect in the Philadelphia area, meaning the air is potentially unhealthy for sensitive groups.