(WPXI, July 28, 2025)

Allegheny, Liberty-Clairton areas reach air quality milestones, EPA says

The U.S. Environmental Protection Agency (EPA) has approved Pennsylvania’s request to designate Liberty-Clairton as a maintenance area, marking a significant achievement in air quality improvement.

PGH Works Perspective

Air quality in the Pittsburgh region continues to improve, despite what some might claim.

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