New Jersey Air Quality by City
New Jersey has 32 cities with an air-quality page, from Trenton (375,343 people) on down. Each page leads with the live AQI, the main pollutant driving it, and a go/no-go for outdoor exercise on the EPA scale.
Cities in New Jersey
| City | Typical AQI (county median, 2025) | Population |
|---|---|---|
| Trenton | 43 Good | 375,343 |
| Newark | 44 Good (2022) | 310,178 |
| Jersey City | 41 Good | 294,078 |
| Paterson | 41 Good | 158,735 |
| Elizabeth | 44 Good | 137,302 |
| Passaic | 41 Good | 70,002 |
| Union City | 41 Good | 66,463 |
| New Milford | 40 Good | 16,995 |
| Asbury Park | 36 Good | 15,295 |
| Oakland | 40 Good | 12,768 |
| Westwood | 40 Good | 11,283 |
| Matawan | 36 Good | 9,710 |
| Park Ridge | 40 Good | 9,406 |
| White Meadow Lake | 39 Good | 8,842 |
| Oradell | 40 Good | 8,235 |
| Brigantine | 36 Good | 7,674 |
| Haddon Heights | 44 Good | 7,516 |
| Midland Park | 40 Good | 7,019 |
| Allendale | 40 Good | 6,865 |
| Margate City | 36 Good | 5,234 |
| Point Pleasant Beach | 39 Good | 4,855 |
| Mountain Lakes | 39 Good | 4,585 |
| Lambertville | 41 Good | 4,153 |
| Merchantville | 44 Good | 3,905 |
| Haworth | 40 Good | 3,363 |
| Wildwood Crest | No EPA monitor | 3,077 |
| Avon-by-the-Sea | 36 Good | 2,030 |
| Ramapo College of New Jersey | 40 Good | 2,018 |
| Beach Haven | 39 Good | 1,055 |
| Great Meadows | 37 Good | 604 |
| Harvey Cedars | 39 Good | 487 |
| Lower Berkshire Valley | 39 Good | 449 |
Our dataset lists 655 places in New Jersey; the 32 above have a page. For a smaller town, the nearest city above is the closest match.