Hourly Weather | Today Tuesday, December 23, 2025
Bismarck, North Dakota
4 PM
Cloudy Weather
21°
Feels Like 12°
0
Humidity: 80%
Wind: 9 mph
UV Index: 0
5 PM
Cloudy Night
21°
Feels Like 12°
0
Humidity: 89%
Wind: 9 mph
UV Index: 0
6 PM
Cloudy Night
21°
Feels Like 12°
0
Humidity: 89%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
23°
Feels Like 12°
0
Humidity: 89%
Wind: 9 mph
UV Index: 0
8 PM
Cloudy Night
23°
Feels Like 12°
0
Humidity: 91%
Wind: 10 mph
UV Index: 0
9 PM
Cloudy Night
25°
Feels Like 14°
0
Humidity: 87%
Wind: 10 mph
UV Index: 0
10 PM
Cloudy Night
25°
Feels Like 14°
0
Humidity: 90%
Wind: 9 mph
UV Index: 0
11 PM
Cloudy Night
25°
Feels Like 16°
0
Humidity: 88%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.18 µg/m³
  • PM10: 2.81 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.12 µg/m³
  • PM10: 2.71 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 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: 2.18 µg/m³
  • PM10: 2.75 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 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: 2.29 µg/m³
  • PM10: 2.84 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 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: 2.39 µg/m³
  • PM10: 2.92 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 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: 2.5 µg/m³
  • PM10: 3 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 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: 2.63 µg/m³
  • PM10: 3.1 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.77 µg/m³
  • PM10: 3.22 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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