Wyoming Air Quality

Real-time AQI data and air quality trends for 204 cities across Wyoming.

Statewide Air Quality Overview

32
Average AQI
2651
Good Air Days
576
Moderate Days
6
Unhealthy Days
406
Highest AQI

Based on 2025 EPA data

Cleanest Air in Wyoming

1. HannaMedian AQI: 7
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2. BaggsMedian AQI: 7
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3. DixonMedian AQI: 7
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4. Ryan ParkMedian AQI: 7
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5. SaratogaMedian AQI: 7
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Most Polluted in Wyoming

1. SlaterMedian AQI: 14
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2. PowellMedian AQI: 14
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3. MeeteetseMedian AQI: 14
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4. LonetreeMedian AQI: 10
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5. Alpine NortheastMedian AQI: 10
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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 Wyoming.
National Rankings
Compare Wyoming cities to the rest of the US by air quality grade and median AQI.

All Cities in Wyoming

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