Wildfire smoke is causing hazardous air quality in the Pittsburgh area, prompting a warning from health officials.

Smoke from the Canada wildfires is again causing poor air quality right now in the Lehigh Valley region. Here’s how to find ...

An air quality alert was issued by the National Weather Service in Mount Holly at 12:14 p.m. on Thursday, July 16.

Pennsylvania residents waking up to hazy yellow or orange skies Thursday are seeing the effects of a large plume of wildfire smoke drifting south from active fires in Canada and Minnesota. The ...

A new map from Purple Lizard Maps, developed in partnership with the PA Wilds Center, highlights one of Pennsylvania’s most ...

The Pennsylvania Department of Environmental Protection has declared a Code Red Air Quality Action Day across the commonwealth for Thursday, July 16. "Wildfire smoke from Canada and Minnesota will be ...

Part of the Mon/Fayette Expressway is closed during the morning commute in Washington County after an early-morning deadly ...