Hourly Weather | Today › Sunday, November 1, 2026
Great Falls, Montana
11 PM
Cloudy Weather
36°
Feels Like 30°
40
Humidity: 98%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.59 µg/m³
  • PM10: 0.61 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.