Hourly Weather | Today Thursday, July 23, 2026
Grand Forks, North Dakota
8 AM
Cloudy Weather
57°
Feels Like 59°
0
Humidity: 93%
UV Index: 2
Wind: 8 mph
9 AM
Sunny Weather
63°
Feels Like 63°
0
Humidity: 85%
UV Index: 3
Wind: 10 mph
10 AM
Sunny Weather
66°
Feels Like 70°
0
Humidity: 74%
UV Index: 4
Wind: 12 mph
11 AM
Sunny Weather
72°
Feels Like 73°
0
Humidity: 61%
UV Index: 6
Wind: 13 mph
12 PM
Sunny Weather
77°
Feels Like 81°
0
Humidity: 50%
UV Index: 8
Wind: 14 mph
1 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 41%
UV Index: 8
Wind: 14 mph
2 PM
Cloudy Weather
84°
Feels Like 86°
0
Humidity: 40%
UV Index: 8
Wind: 14 mph
3 PM
Cloudy Weather
84°
Feels Like 86°
0
Humidity: 38%
UV Index: 6
Wind: 15 mph
4 PM
Cloudy Weather
88°
Feels Like 88°
0
Humidity: 35%
UV Index: 4
Wind: 15 mph
5 PM
Cloudy Weather
86°
Feels Like 84°
0
Humidity: 37%
UV Index: 3
Wind: 14 mph
6 PM
Cloudy Weather
84°
Feels Like 82°
0
Humidity: 40%
UV Index: 2
Wind: 14 mph
7 PM
Cloudy Weather
82°
Feels Like 81°
0
Humidity: 44%
UV Index: 1
Wind: 14 mph
8 PM
Cloudy Weather
81°
Feels Like 77°
0
Humidity: 47%
UV Index: 0
Wind: 13 mph
9 PM
Cloudy Weather
77°
Feels Like 73°
0
Humidity: 54%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
73°
Feels Like 70°
0
Humidity: 60%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
72°
Feels Like 68°
0
Humidity: 66%
UV Index: 0
Wind: 12 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 AM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.2 µg/m³
  • PM10: 3.25 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.2 ppb
  • SO2: 0 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

9 AM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.1 µg/m³
  • PM10: 3.15 µg/m³
  • O3: 0.023 ppm
  • NO2: 1.1 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.09 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.025 ppm
  • NO2: 0.9 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

11 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.24 µg/m³
  • PM10: 3.29 µg/m³
  • O3: 0.032 ppm
  • NO2: 0.6 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.59 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.036 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 4.13 µg/m³
  • O3: 0.038 ppm
  • NO2: 0.4 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.99 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.043 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.89 µg/m³
  • PM10: 3.94 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.05 µg/m³
  • PM10: 4.11 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.35 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.3 ppb
  • SO2: 0 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 4.87 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.3 µg/m³
  • PM10: 5.4 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.8 µg/m³
  • PM10: 5.9 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.05 µg/m³
  • PM10: 6.13 µg/m³
  • O3: 0.042 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.73 µg/m³
  • PM10: 5.78 µg/m³
  • O3: 0.041 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 5.04 µg/m³
  • O3: 0.040 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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