Alaska(AK)
Air quality overview and monitoring data — 2025
191
Monitoring Sites
2,314
Active Monitors
17
Counties with Data
26
Cities Monitored
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County Air Quality
| County | Median AQI ▲ | 90th %ile | Max AQI | Good | Moderate | USG | Unhealthy |
|---|---|---|---|---|---|---|---|
| Matanuska-Susitna | 7 | 48 | 141 | 159 | 15 | 2 | 0 |
| North Slope | 7 | 19 | 27 | 19 | 0 | 0 | 0 |
| Kenai Peninsula | 8 | 13 | 14 | 20 | 0 | 0 | 0 |
| Aleutians East | 11 | 32 | 58 | 19 | 1 | 0 | 0 |
| Juneau | 21 | 57 | 138 | 154 | 26 | 1 | 0 |
| Anchorage | 24 | 61 | 110 | 147 | 34 | 1 | 0 |
| Denali | 38 | 44 | 49 | 217 | 0 | 0 | 0 |
| Fairbanks North Star | 42 | 87 | 190 | 112 | 60 | 6 | 4 |
Pollutant Trends
Ozone
No data available
PM2.5
No data available
PM10
No data available
CO
No data available
NO2
No data available
SO2
No data available