The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for the Susquehanna Valley.

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

Monday – already expected to see high heat and humidity combine for a heat index that could reach 110 – will also feature ...

At 8:37 a.m., the NWS issued a statement on the air conditions.

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

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for Erie County, signaling ...

On Monday, the region is also under an extreme heat warning from the National Weather Service as a large area of high ...

On Sunday at 3:45 p.m. the National Weather Service reported an air quality alert in effect until Tuesday at midnight for ...

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

People in Lancaster County are among those being advised to limit outdoor activity today after the state Department of ...