DA Larry Krasner challenges Trump's federal law enforcement control after DC takeover, as retired judge switches parties to run against him in November election ...

A flood watch is in effect for most of the Philadelphia region through early Thursday morning as heat, humidity and storms make a comeback.

This exposure can be exacerbated while moving quickly, Diaz-Sanchez says. And even exposure to one spike can be “really bad,” ...

A devoted dad has been identified as one of the two steel workers killed from an explosion at a Pennsylvania steel plant on ...

The air we breathe is getting worse here in the Lehigh Valley, according to the American Lung Association's State of the Air report.

Authorities confirmed a second fatality after an explosion at the U.S. Steel Clairton Coke Works facility outside of Pittsburgh.

The Pennsylvania Department of Environmental Protection (DEP) has declared a Code Orange Air Quality Action Day for Tuesday ...

An air quality alert was reported by the National Weather Service on Tuesday at 9:10 a.m. in effect until 11 p.m. for Western ...

The NWS forecasts that ground-level ozone and particulate concentrations will reach dangerous levels and even normally healthy people should exercise caution.

Sunday will have plenty of sunshine and light southerly breezes. However, several Pennsylvania counties will be under an air ...

Sunday will be gorgeous — plenty of sunshine, light southerly breezes, and highs in the mid to upper 80s. However, several ...