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  4. Lewis and Clark County

Lewis and Clark County

Montana

2026-05-12 14:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
79.3
PM2.5
μg/m³
7.3
Weather
  • ℃
  • ℉
12℃
48%
4 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
Places included
Augusta
AQI 30
East Helena
AQI 15
Helena
AQI 34
Helena Valley Northwest
AQI 15
Helena Valley Southeast
AQI 15
Helena Valley West Central
AQI 15
Lincoln
AQI 10
Data Sources
http://www.airnow.gov/

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Cities Nearby

Augusta
AQI 30
Simms
AQI 12
Lincoln
AQI 10
Fairfield
AQI 8
Fort Shaw
AQI 14
Cascade
AQI 15
Sun River
AQI 15
Choteau
AQI 8
Ovando
AQI 10
Helena Valley Northwest
AQI 15
Vaughn
AQI 20