Allegheny County cancels events and closes pools as air quality alert and heat persist

Allegheny County Executive Sara Innamorato urges residents to stay indoors during a Code Purple air quality alert and extreme ...

Code Maroon: Allegheny County says 'hazardous' air quality, no outdoor activities recommended

The health department says PM2.5 air quality conditions in areas of Allegheny County are in the hazardous range Thursday."At ...