Hourly Weather | Today Monday, August 24, 2026
Billings, Montana
9 PM
Cloudy Night
77°
Feels Like 73°
37
Humidity: 29%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
73°
Feels Like 72°
33
Humidity: 33%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
72°
Feels Like 70°
32
Humidity: 37%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 0.97 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

10 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.83 µg/m³
  • PM10: 1 µg/m³
  • O3: 0.026 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.06 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.88 µg/m³
  • PM10: 1.07 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.07 ppm

Health Recommendations:

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