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  3. Montana
  4. Lewis and Clark County

Lewis and Clark County

Montana

2026-01-21 06:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
10.4
O3
μg/m³
83.6
Weather
  • ℃
  • ℉
-7℃
70%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
Places included
Augusta
AQI 30
East Helena
AQI 56
Helena
AQI 37
Helena Valley Northwest
AQI 56
Helena Valley Southeast
AQI 56
Helena Valley West Central
AQI 63
Lincoln
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Augusta
AQI 30
Simms
AQI 42
Lincoln
AQI 40
Fairfield
AQI 26
Fort Shaw
AQI 42
Cascade
AQI 42
Sun River
AQI 42
Choteau
AQI 5
Ovando
AQI 26
Helena Valley Northwest
AQI 56
Vaughn
AQI 53