Vermont Air Quality

Real-time AQI data and air quality trends for 107 cities across Vermont.

Statewide Air Quality Overview

32
Average AQI
478
Good Air Days
83
Moderate Days
Unhealthy Days
108
Highest AQI

Based on 2025 EPA data

Cleanest Air in Vermont

1. JacksonvilleMedian AQI: 12
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2. WardsboroMedian AQI: 12
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3. JamaicaMedian AQI: 12
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4. Saxtons RiverMedian AQI: 12
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5. South LondonderryMedian AQI: 12
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Most Polluted in Vermont

1. South BurlingtonMedian AQI: 40
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2. Essex JunctionMedian AQI: 40
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3. WinooskiMedian AQI: 40
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4. HuntingtonMedian AQI: 40
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5. Underhill FlatsMedian AQI: 40
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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 Vermont.
National Rankings
Compare Vermont cities to the rest of the US by air quality grade and median AQI.

All Cities in Vermont

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