Hourly Weather | Today Thursday, October 30, 2025
Billings, Montana
5 PM
Cloudy Weather
54°
Feels Like 52°
0
Humidity: 31%
Wind: 8 mph
UV Index: 1
6 PM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 35%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 43%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
46°
Feels Like 43°
1
Humidity: 47%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
43°
Feels Like 39°
1
Humidity: 53%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
39°
Feels Like 37°
1
Humidity: 59%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
39°
Feels Like 36°
1
Humidity: 63%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.7 µg/m³
  • PM10: 1.45 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

6 PM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.72 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

7 PM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.75 µg/m³
  • PM10: 1.55 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

8 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.78 µg/m³
  • PM10: 1.54 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.93 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.99 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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