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  4. Custer County

Custer County

Idaho

2026-03-11 16:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
8.9
O3
μg/m³
79.7
PM10
μg/m³
15.5
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
-1℃
55%
10 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • PM10
  • SO2
Places included
Challis
AQI 50
Clayton
AQI 50
Mackay
AQI 39
Stanley
AQI 50

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Cities Nearby

Clayton
AQI 50
Challis
AQI 50
Stanley
AQI 50
Mackay
AQI 39
Sun Valley
AQI 31
Ketchum
AQI 4
Leadore
AQI 32
Hailey
AQI 31
Bellevue
AQI 31
Moore
AQI 39
Salmon
AQI 23