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

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

On air quality action days, young children, the elderly, and those with respiratory problems, such as asthma, emphysema, and ...

The Lehigh Valley will be under a Code Orange air quality alert Wednesday. Young children, the elderly, and those with ...

A hot and humid Thursday will bring a Code Orange Air Quality Alert for parts of the Washington, D.C., area, as temperatures climb into the 90s.

The National Weather Service reported an air quality alert at 4:30 p.m. on Wednesday in effect until Thursday at 4 p.m. 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, ...

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

Thursday is likely to be the hottest day of the day, so far, and with hazy, hot and humid conditions, officials have issued a ...