Hourly Weather | Today Tuesday, December 23, 2025
Grand Forks, North Dakota
4 PM
Cloudy Weather
16°
Feels Like 16°
34
Humidity: 55%
Wind: 4 mph
UV Index: 0
5 PM
Cloudy Night
14°
Feels Like 10°
34
Humidity: 53%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Night
14°
Feels Like
22
Humidity: 52%
Wind: 7 mph
UV Index: 0
7 PM
Cloudy Night
12°
Feels Like
0
Humidity: 61%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
10°
Feels Like
0
Humidity: 73%
Wind: 8 mph
UV Index: 0
9 PM
Cloudy Night
Feels Like
0
Humidity: 77%
Wind: 8 mph
UV Index: 0
10 PM
Cloudy Night
Feels Like -9°
0
Humidity: 100%
Wind: 8 mph
UV Index: 0
11 PM
Cloudy Night
10°
Feels Like -2°
0
Humidity: 83%
Wind: 9 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.03 µg/m³
  • PM10: 5.17 µg/m³
  • O3: 0.026 ppm
  • NO2: 4.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.24 µg/m³
  • PM10: 5.39 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

6 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.46 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.023 ppm
  • NO2: 5.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.19 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.69 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.022 ppm
  • NO2: 6 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.86 µg/m³
  • PM10: 6.09 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.99 µg/m³
  • PM10: 6.24 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.16 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.34 µg/m³
  • PM10: 6.59 µg/m³
  • O3: 0.022 ppm
  • NO2: 5.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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