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  4. Lewis and Clark County

Lewis and Clark County

Montana

2026-02-19 03:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
49.3
PM2.5
μg/m³
2.1
Weather
  • ℃
  • ℉
-21℃
88%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM2.5
Places included
Augusta
AQI 9
East Helena
AQI 5
Helena
AQI 50
Helena Valley Northwest
AQI 5
Helena Valley Southeast
AQI 5
Helena Valley West Central
AQI 1
Lincoln
AQI 12
Data Sources
http://www.airnow.gov/

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Cities Nearby

Augusta
AQI 9
Simms
AQI 52
Lincoln
AQI 12
Fairfield
AQI 52
Fort Shaw
AQI 52
Cascade
AQI 52
Sun River
AQI 52
Choteau
AQI 0
Ovando
AQI 48
Helena Valley Northwest
AQI 5
Vaughn
AQI 19