New Jersey Air Quality

Real-time AQI data and air quality trends for 655 cities across New Jersey.

Statewide Air Quality Overview

40
Average AQI
2061
Good Air Days
620
Moderate Days
Unhealthy Days
168
Highest AQI

Based on 2025 EPA data

Cleanest Air in New Jersey

1. Regency at MonroeMedian AQI: 36
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2. BrownvilleMedian AQI: 36
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3. SewarenMedian AQI: 36
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4. ForsgateMedian AQI: 36
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5. Renaissance at MonroeMedian AQI: 36
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Most Polluted in New Jersey

1. Long BranchMedian AQI: 37
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2. MatawanMedian AQI: 37
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3. EatontownMedian AQI: 37
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4. BelmarMedian AQI: 37
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5. MorganvilleMedian AQI: 37
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Learn About Air Quality

What Is the AQI?
Understand how the Air Quality Index is calculated and what each level means for your health.
Pollutant Guide
Learn about PM2.5, ozone, and other pollutants that affect air quality across New Jersey.
National Rankings
Compare New Jersey cities to the rest of the US by air quality grade and median AQI.

All Cities in New Jersey

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