Hourly Weather | Today › Friday, November 13, 2026
Billings, Montana
10 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 63%
UV Index: 2
Wind: 7 mph
11 AM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 49%
UV Index: 2
Wind: 7 mph
12 PM
Sunny Weather
59°
Feels Like 61°
0
Humidity: 39%
UV Index: 2
Wind: 7 mph
1 PM
Sunny Weather
63°
Feels Like 64°
0
Humidity: 34%
UV Index: 2
Wind: 6 mph
2 PM
Cloudy Weather
64°
Feels Like 66°
0
Humidity: 32%
UV Index: 2
Wind: 6 mph
3 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 35%
UV Index: 1
Wind: 6 mph
4 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 40%
UV Index: 1
Wind: 6 mph
5 PM
Cloudy Night
57°
Feels Like 55°
0
Humidity: 46%
UV Index: 0
Wind: 6 mph
6 PM
Cloudy Night
54°
Feels Like 52°
0
Humidity: 52%
UV Index: 0
Wind: 6 mph
7 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 56%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 60%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 63%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 2.04 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.4 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
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.92 µg/m³
  • PM10: 2.19 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.2 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
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.97 µg/m³
  • PM10: 2.27 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.13 µg/m³
  • PM10: 2.43 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 2.76 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.08 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: 1.58 µg/m³
  • PM10: 3.28 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 3.66 µg/m³
  • O3: 0.036 ppm
  • NO2: 1.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.93 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.6 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
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.04 µg/m³
  • PM10: 3.99 µg/m³
  • O3: 0.030 ppm
  • NO2: 2 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.13 µg/m³
  • PM10: 4.01 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.21 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.27 µg/m³
  • PM10: 3.83 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.35 µg/m³
  • PM10: 3.91 µg/m³
  • O3: 0.027 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.46 µg/m³
  • PM10: 4.05 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

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