1. North America
  2. United States
  3. Montana
  4. Lewis and Clark County
  5. Helena

Helena

Lewis and Clark County, Montana

2026-08-13 16:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
47.1
PM2.5
μg/m³
5.1
Weather
  • ℃
  • ℉
14℃
82%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM2.5
Places included
NCORE
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Helena
AQI 15
Helena Valley West Central
AQI 2
Helena Valley Southeast
AQI 1
East Helena
AQI 1
Helena Valley Northwest
AQI 1
Elliston
AQI 12
Winston
AQI 12
Basin
AQI 20
Boulder
AQI 20
Avon
AQI 15
Townsend
AQI 17