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Published on July 19, 2026
PITTSBURGH – The Allegheny County Health Department has ended an Air Pollution Episode Warning for the Mon Valley that was issued Thursday, July 16.
The 24-hour PM2.5 standard for the Mon Valley is below exceedance levels.
Get the latest local updates on air quality by enrolling in Allegheny Alerts for free.
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The Allegheny County Health Department's mission is to protect, promote, and preserve the health and well-being of the more than 1.2 million people who call Allegheny County home.
Media inquiries may be directed to Ronnie Das, Public Information Officer for the Health Department, at ronnie.das@alleghenycounty.us or by phone at 412-578-7991.