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  4. Lewis and Clark County

Lewis and Clark County

Montana

2025-12-06 17:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
57.9
PM2.5
μg/m³
2.9
Weather
  • ℃
  • ℉
-7℃
85%
5 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
Places included
Augusta
AQI 31
East Helena
AQI 20
Helena
AQI 26
Helena Valley Northwest
AQI 20
Helena Valley Southeast
AQI 20
Helena Valley West Central
AQI 20
Lincoln
AQI 40
Data Sources
http://www.airnow.gov/

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Cities Nearby

Augusta
AQI 31
Simms
AQI 25
Lincoln
AQI 40
Fairfield
AQI 17
Fort Shaw
AQI 25
Cascade
AQI 25
Sun River
AQI 25
Choteau
AQI 17
Ovando
AQI 24
Helena Valley Northwest
AQI 20
Vaughn
AQI 21