Air Quality
Good
Water Violations
135
Air quality in Allegheny County is rated good with a median AQI of 49 (182 days measured in 2025). 22 community water systems serve the area, with 135 recent violations in the last 5 years. 341 EV charging stations are available in the area.
Air Quality — Allegheny County (2025)i
AQSThe Air Quality Index measures how clean or polluted the air is on a given day. AQI is reported at the county level. A score of 0-50 is considered good; 51-100 is moderate; above 100 may be unhealthy for sensitive groups.
Median AQI
PM2.5 Daysi
92Ozone Daysi
89Drinking Wateri
SDWISPublic water systems registered to serve this area. Community systems (CWS) provide water to residents year-round. Violations indicate a system failed to meet federal drinking water standards.
Community Systemsi
22Active Systemsi
20Recent Violationsi
135Recent Violations (Last 5 Years)
ASPINWALL BORO WATER DEPT
BLAWNOX BORO WATER DEPT
PITTSBURGH WATER & SEWER AUTH
PLUM BORO MUNI AUTH
WEST VIEW WATER AUTHORITY
ROBINSON TWP MUNI AUTH
RESERVE TWP WATER DEPT
CARSON TOWERS
LIGHTHOUSE POINTE
Historical Violations (Over 5 Years Ago)
EV Charging & Alternative Fuel Stationsi
AFDC