Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

U.S. Steel Clairton Coke Works' current limited coke-making capacity due to Monday's explosion is prompting concerns.

Allegheny County agreed to pay $700k for a plan to downsize its jail in Pittsburgh, but the jail’s population is growing for the first time in more than a decade.

An Allegheny County school district is delaying a scheduled back-to-school date for one of their elementary schools.Edgewood ...

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...

Data from PA Courts shows which counties had the most tickets for speeding in a school zone and passing stopped school buses.

The Allegheny County Health Department announced that Mobile Air Units will be deployed in the Mon Valley Thursday and Friday ...

Data from the EPA and OSHA provide a glimpse into some of the previous violations and injury reports at the Clairton Coke ...