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

In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at ...

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

Two workers died and at least 10 people were injured after multiple explosions at the U.S. Steel Clairton plant.

The exact locations and times for the units’ deployment will be based on real-time forecasts developed by ACHD and PADEP ...

A second Westmoreland County man was identified as the other victim who was killed Monday in an explosion at U.S. Steel’s ...

The department is working closely with the state health department, emergency services and U.S. Steel representatives, ...

The potential pollution impact was mitigated because the weather cooperated, the Allegheny County Health Department said.

A day after a deadly explosion rocked the Clairton Coke Works facility, Allegheny County officials confirmed that two men ...

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of ...

Officials who monitor the air quality in Allegheny County say at this time, nothing alarming stands out to them following the fatal explosion at the Clairton Coke plant on Monday. But, that’s not to ...

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