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

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, ...

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

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

Organizations like the Breathe Project and the Group Against Smog and Pollution, in conjunction with the Allegheny County Health Department, have been closely monitoring the air quality in Clairton ...

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

Rescuers were continuing to search for one missing worker at the Clairton Coke Works more than five hours after mid-morning ...