Hourly Weather | Today Thursday, November 20, 2025
Billings, Montana
2 PM
Sunny Weather
48°
Feels Like 48°
0
Humidity: 55%
Wind: 6 mph
UV Index: 2
3 PM
Sunny Weather
50°
Feels Like 50°
0
Humidity: 52%
Wind: 6 mph
UV Index: 1
4 PM
Sunny Weather
48°
Feels Like 46°
0
Humidity: 57%
Wind: 6 mph
UV Index: 0
5 PM
Cloudy Night
46°
Feels Like 43°
0
Humidity: 63%
Wind: 7 mph
UV Index: 0
6 PM
Night
43°
Feels Like 39°
0
Humidity: 70%
Wind: 7 mph
UV Index: 0
7 PM
Night
43°
Feels Like 37°
0
Humidity: 71%
Wind: 7 mph
UV Index: 0
8 PM
Night
39°
Feels Like 34°
0
Humidity: 78%
Wind: 8 mph
UV Index: 0
9 PM
Night
37°
Feels Like 30°
0
Humidity: 82%
Wind: 9 mph
UV Index: 0
10 PM
Night
36°
Feels Like 28°
0
Humidity: 83%
Wind: 9 mph
UV Index: 0
11 PM
Night
36°
Feels Like 28°
0
Humidity: 81%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.65 µg/m³
  • PM10: 1.42 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.69 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.5 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.86 µg/m³
  • PM10: 2.62 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.04 µg/m³
  • PM10: 3.16 µg/m³
  • O3: 0.029 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.

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

Pollutant Concentrations:

  • PM2.5: 1.22 µg/m³
  • PM10: 3.71 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 3.96 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.3 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
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.27 µg/m³
  • PM10: 3.78 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.4 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: 1.23 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.4 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 3.62 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 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
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.3 µg/m³
  • PM10: 3.57 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.