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

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

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

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

The Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality Action Day for ozone for Monday in Lehigh and Northampton counties. On Monday a large area of high ...

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 3:30 p.m. the National Weather Service reported an air quality alert in effect until Tuesday at midnight for ...

Pennsylvania faces unhealthy ozone levels due to stagnant air and high temps. Sensitive groups should limit outdoor ...

At 4:30 p.m. on Sunday, the National Weather Service reported an air quality alert in effect until Monday at 9 p.m. for ...

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

A Code Orange Air Quality alert will be in effect for Philly, Bucks, Montgomery, Chester and Delaware Counties2, 2025.