Air Quality in New Jersey
10-year air quality trends for 16 monitored areas in New Jersey.
See full New Jersey air quality rankings →All Monitored Areas in New Jersey
Hudson, New Jersey
Hudson County · AQI 44 (5yr avg) · Improving · PM2.5
Atlantic, New Jersey
Atlantic County · AQI 38 (5yr avg) · Improving · Ozone
Morris, New Jersey
Morris County · AQI 36 (5yr avg) · Stable · Ozone
Monmouth, New Jersey
Monmouth County · AQI 37 (5yr avg) · Stable · Ozone
Passaic, New Jersey
Passaic County · AQI 39 (5yr avg) · Stable · Ozone
Gloucester, New Jersey
Gloucester County · AQI 40 (5yr avg) · Stable · Ozone
Ocean, New Jersey
Ocean County · AQI 40 (5yr avg) · Stable · PM2.5
Camden, New Jersey
Camden County · AQI 49 (5yr avg) · Improving · PM2.5
Hunterdon, New Jersey
Hunterdon County · AQI 43 (5yr avg) · Stable · Ozone
Union, New Jersey
Union County · AQI 51 (5yr avg) · Improving · PM2.5
Bergen, New Jersey
Bergen County · AQI 46 (5yr avg) · Stable · PM2.5
Warren, New Jersey
Warren County · AQI 41 (5yr avg) · Stable · PM2.5
Mercer, New Jersey
Mercer County · AQI 46 (5yr avg) · Stable · PM2.5
Cumberland, New Jersey
Cumberland County · AQI 42 (5yr avg) · Worsening · Ozone
Essex, New Jersey
Essex County · AQI 45 (5yr avg) · Worsening · PM2.5
Middlesex, New Jersey
Middlesex County · AQI 43 (5yr avg) · Worsening · PM2.5
Frequently Asked Questions
New Jersey has 16 monitored areas with an average 5-year AQI of 42 and an average Air Quality Grade of B. 8 cities are improving, 5 are worsening, and 3 are stable.
Hudson, New Jersey has the best Air Quality Grade (B) in New Jersey with a 5-year average AQI of 44.
Of 16 monitored areas in New Jersey, 8 are showing improving trends, 5 are worsening, and 3 remain stable over the past decade.