Air Quality
Good
Water Violations
17
Active Permits
1
Air quality in Hunterdon County is rated good with a median AQI of 41 (178 days measured in 2025). 1 community water system serve the area, with 17 recent violations in the last 5 years. 2 industrial facilities report toxic chemical releases totaling 702.5K lbs.
Air Quality — Hunterdon 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
73Ozone Daysi
105Drinking 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
1Active Systemsi
3Recent Violationsi
17Recent Violations (Last 5 Years)
HIGH BRIDGE W DEPT