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Code Orange Air Quality Alerts Continue in Parts of Pennsylvania, Extending Into Thursday in Some Areas

Stagnant air under a temperature inversion is trapping fine particle pollution near the surface.

Code Orange Air Quality Alerts in Effect for Allegheny County and South-Central Pennsylvania Through This Evening

Apple Pays $261,283 to Settle EPA Case Over Hazardous Waste Violations at Santa Clara Site

EPA Proposes Exemptions to Narrow PFAS Reporting Rule

Labor Day Beachgoers Confront Widespread No-Swim Warnings as Fecal Bacteria Closes Popular Shores