AQI 50 · Ozone · Trend: Improving
| Average AQI | 50 |
| Good Days / Year | 212 |
| Unhealthy Days / Year | 10 |
| Primary Pollutant | Ozone |
| PM2.5 Average | 9 µg/m³ |
| Trend | ↓ Improving |
| Monitoring Stations | 38 |
| Nonattainment Areas | 1 |
New Jersey's air quality challenges stem from its dense population, heavy highway traffic, and proximity to NYC. The state has significant environmental justice concerns in cities like Newark and Camden where industrial facilities are concentrated near low-income communities.
NJ DEP Bureau of Air Quality manages standards. Vehicle emissions testing. Member of RGGI. Strong industrial emission controls. Environmental justice legislation.
Northern NJ (NYC metro) — ozone and PM2.5 nonattainment. Densest population state faces concentrated vehicle and industrial emissions.