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

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

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.

In the 1990s, at least 361 heat-related deaths were recorded by the city Medical Examiner’s Office. In the last 10 years — a ...