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  4. Lewis and Clark County

Lewis and Clark County

Montana

2026-05-12 22:00
CAQI (Europe)
Medium
Pollutants|Pollens
O3
μg/m³
128.6
PM2.5
μg/m³
4.3
Weather
  • ℃
  • ℉
23℃
22%
3 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
Places included
Augusta
AQI 51
East Helena
AQI 9
Helena
AQI 54
Helena Valley Northwest
AQI 9
Helena Valley Southeast
AQI 9
Helena Valley West Central
AQI 9
Lincoln
AQI 10
Data Sources
http://www.airnow.gov/

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Cities Nearby

Augusta
AQI 51
Simms
AQI 17
Lincoln
AQI 10
Fairfield
AQI 11
Fort Shaw
AQI 25
Cascade
AQI 21
Sun River
AQI 27
Choteau
AQI 11
Ovando
AQI 10
Helena Valley Northwest
AQI 9
Vaughn
AQI 18