Hourly Weather | Today Wednesday, May 20, 2026
Grand Forks, North Dakota
6 PM
Cloudy Weather
66°
Feels Like 64°
0
Humidity: 32%
UV Index: 2
Wind: 17 mph
7 PM
Cloudy Weather
64°
Feels Like 63°
0
Humidity: 35%
UV Index: 1
Wind: 17 mph
8 PM
Cloudy Weather
63°
Feels Like 57°
0
Humidity: 44%
UV Index: 0
Wind: 14 mph
9 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 50%
UV Index: 0
Wind: 13 mph
10 PM
Cloudy Night
55°
Feels Like 48°
0
Humidity: 57%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
54°
Feels Like 46°
0
Humidity: 60%
UV Index: 0
Wind: 13 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.76 µg/m³
  • PM10: 0.8 µg/m³
  • O3: 0.050 ppm
  • NO2: 0.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.77 µg/m³
  • PM10: 0.82 µg/m³
  • O3: 0.050 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.

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.85 µg/m³
  • O3: 0.050 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.

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

Pollutant Concentrations:

  • PM2.5: 0.85 µg/m³
  • PM10: 0.9 µg/m³
  • O3: 0.049 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 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.91 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 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
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 0.99 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.7 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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