Hourly Weather | Today › Saturday, October 24, 2026
Billings, Montana
6 AM
Cloudy Weather
34°
Feels Like 28°
49
Humidity: 71%
UV Index: 0
Wind: 7 mph
7 AM
Rainy Weather
34°
Feels Like 27°
70
Humidity: 81%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
36°
Feels Like 32°
0
Humidity: 75%
UV Index: 0
Wind: 6 mph
9 AM
Cloudy Weather
36°
Feels Like 36°
0
Humidity: 76%
UV Index: 1
Wind: 6 mph
10 AM
Cloudy Weather
37°
Feels Like 37°
0
Humidity: 66%
UV Index: 2
Wind: 6 mph
11 AM
Cloudy Weather
43°
Feels Like 45°
0
Humidity: 51%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
46°
Feels Like 48°
0
Humidity: 42%
UV Index: 3
Wind: 7 mph
1 PM
Cloudy Weather
50°
Feels Like 52°
0
Humidity: 35%
UV Index: 3
Wind: 7 mph
2 PM
Cloudy Weather
52°
Feels Like 54°
0
Humidity: 31%
UV Index: 3
Wind: 8 mph
3 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 29%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
55°
Feels Like 55°
0
Humidity: 28%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 31%
UV Index: 1
Wind: 6 mph
6 PM
Cloudy Weather
52°
Feels Like 52°
0
Humidity: 36%
UV Index: 0
Wind: 5 mph
7 PM
Cloudy Night
48°
Feels Like 48°
0
Humidity: 40%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 44%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
43°
Feels Like 41°
0
Humidity: 48%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 54%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
39°
Feels Like 37°
0
Humidity: 55%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.6 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.64 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.68 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.69 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.63 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

11 AM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.6 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

12 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.62 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

1 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.65 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

2 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.75 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 0.99 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.5 µg/m³
  • PM10: 1.24 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.1 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 1.5 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.52 µg/m³
  • PM10: 1.75 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.55 µg/m³
  • PM10: 1.95 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.6 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.8 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.64 µg/m³
  • PM10: 2.1 µg/m³
  • O3: 0.033 ppm
  • NO2: 1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.67 µg/m³
  • PM10: 2.05 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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