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 ...

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

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

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

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

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

It’s not just hot — it’s hazardous.Air quality across New Jersey and New York is expected to be unhealthy for sensitive ...

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

A Code Orange Air Quality Alert has been issued for much of the Philadelphia region on Thursday, according to Pennsylvania's Department of Environmental Protection. The alert is in effect for Bucks, ...