Hourly Weather | Today Thursday, February 26, 2026
Duluth, Minnesota
2 AM
Snowy Weather
Feels Like
40
Frost Risk: 100%
Humidity: 77%
UV Index: 0
Wind: 7 mph
3 AM
Cloudy Weather
10°
Feels Like
37
Frost Risk: 100%
Humidity: 79%
UV Index: 0
Wind: 7 mph
4 AM
Cloudy Weather
12°
Feels Like
14
Frost Risk: 100%
Humidity: 78%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Weather
12°
Feels Like
14
Frost Risk: 100%
Humidity: 77%
UV Index: 0
Wind: 8 mph
6 AM
Cloudy Weather
16°
Feels Like
9
Frost Risk: 100%
Humidity: 74%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Weather
16°
Feels Like
33
Frost Risk: 100%
Humidity: 76%
UV Index: 0
Wind: 9 mph
8 AM
Cloudy Weather
19°
Feels Like
33
Frost Risk: 98%
Humidity: 74%
UV Index: 0
Wind: 10 mph
9 AM
Cloudy Weather
21°
Feels Like
38
Frost Risk: 86%
Humidity: 71%
UV Index: 1
Wind: 12 mph
10 AM
Snowy Weather
25°
Feels Like 12°
43
Humidity: 67%
UV Index: 1
Wind: 13 mph
11 AM
Snowy Weather
28°
Feels Like 16°
42
Humidity: 66%
UV Index: 1
Wind: 14 mph
12 PM
Snowy Weather
32°
Feels Like 19°
44
Humidity: 64%
UV Index: 1
Wind: 14 mph
1 PM
Snowy Weather
34°
Feels Like 23°
43
Humidity: 61%
UV Index: 1
Wind: 13 mph
2 PM
Cloudy Weather
37°
Feels Like 28°
40
Humidity: 58%
UV Index: 2
Wind: 13 mph
3 PM
Cloudy Weather
37°
Feels Like 30°
37
Humidity: 59%
UV Index: 1
Wind: 13 mph
4 PM
Cloudy Weather
39°
Feels Like 32°
40
Humidity: 58%
UV Index: 1
Wind: 12 mph
5 PM
Snowy Weather
36°
Feels Like 27°
44
Humidity: 64%
UV Index: 0
Wind: 10 mph
6 PM
Cloudy Night
36°
Feels Like 27°
40
Humidity: 68%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Night
34°
Feels Like 25°
0
Humidity: 72%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Night
32°
Feels Like 23°
0
Humidity: 75%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Night
30°
Feels Like 21°
0
Humidity: 78%
UV Index: 0
Wind: 9 mph
10 PM
Cloudy Night
28°
Feels Like 21°
0
Humidity: 80%
UV Index: 0
Wind: 9 mph
11 PM
Cloudy Night
28°
Feels Like 19°
0
Frost Risk: 70%
Humidity: 82%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
41 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.86 µg/m³
  • PM10: 11.86 µg/m³
  • O3: 0.026 ppm
  • NO2: 13.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

3 AM
40 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.61 µg/m³
  • PM10: 11.45 µg/m³
  • O3: 0.027 ppm
  • NO2: 11.5 ppb
  • SO2: 1.2 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

4 AM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.18 µg/m³
  • PM10: 9.65 µg/m³
  • O3: 0.031 ppm
  • NO2: 8.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

5 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.19 µg/m³
  • PM10: 8.4 µg/m³
  • O3: 0.033 ppm
  • NO2: 6.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

6 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.59 µg/m³
  • PM10: 7.67 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

7 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.24 µg/m³
  • PM10: 7.33 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.12 µg/m³
  • PM10: 7.3 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 7.46 µg/m³
  • O3: 0.033 ppm
  • NO2: 6.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.49 µg/m³
  • PM10: 7.84 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.7 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.15 µg/m³
  • PM10: 8.57 µg/m³
  • O3: 0.033 ppm
  • NO2: 4.9 ppb
  • SO2: 0.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

12 PM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.15 µg/m³
  • PM10: 9.6 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.3 ppb
  • SO2: 0.9 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

1 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.81 µg/m³
  • PM10: 10.24 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.19 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.29 µg/m³
  • PM10: 10.73 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

3 PM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.15 µg/m³
  • PM10: 10.63 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.3 ppb
  • SO2: 1.2 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.85 µg/m³
  • PM10: 10.41 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.8 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.7 µg/m³
  • PM10: 10.36 µg/m³
  • O3: 0.040 ppm
  • NO2: 5.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.57 µg/m³
  • PM10: 10.34 µg/m³
  • O3: 0.038 ppm
  • NO2: 6.7 ppb
  • SO2: 0.6 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

7 PM
33 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.89 µg/m³
  • PM10: 9.72 µg/m³
  • O3: 0.036 ppm
  • NO2: 7 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.98 µg/m³
  • PM10: 8.89 µg/m³
  • O3: 0.036 ppm
  • NO2: 6.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 8.13 µg/m³
  • O3: 0.038 ppm
  • NO2: 5.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.68 µg/m³
  • PM10: 7.63 µg/m³
  • O3: 0.038 ppm
  • NO2: 5.2 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
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.59 µg/m³
  • PM10: 7.56 µg/m³
  • O3: 0.038 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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