ACHD Lifts Stay Indoors Advisory for Clairton Area

Published on August 11, 2025

PITTSBURGH – The Allegheny County Health Department has been closely monitoring air quality in and around Clairton following this morning’s incident at the U.S. Steel Clairton Coke Works. No County Air Quality monitors have recorded an exceedance since the incident. 

Based on this data, ACHD is lifting the Stay Indoors advisory effective immediately.

Residents may resume normal activities. As always, please contact the Health Department with any concerns.

ACHD thanks the community for its cooperation and partner agencies for their rapid response.

Media inquiries may be directed to the Communications Office.
For contact information, including email addresses and telephone numbers,
visit the Communications webpage.