Hourly Weather | Today › Wednesday, November 4, 2026
Duluth, Minnesota
11 AM
Rainy Weather
52°
Feels Like 45°
75
Humidity: 94%
UV Index: 0
Wind: 13 mph
12 PM
Rainy Weather
52°
Feels Like 45°
82
Humidity: 93%
UV Index: 0
Wind: 12 mph
1 PM
Rainy Weather
54°
Feels Like 46°
90
Humidity: 88%
UV Index: 0
Wind: 10 mph
2 PM
Rainy Weather
54°
Feels Like 46°
90
Humidity: 91%
UV Index: 0
Wind: 8 mph
3 PM
Rainy Weather
54°
Feels Like 46°
90
Humidity: 91%
UV Index: 0
Wind: 8 mph
4 PM
Rainy Weather
54°
Feels Like 46°
90
Humidity: 91%
UV Index: 0
Wind: 8 mph
5 PM
Rainy Weather
54°
Feels Like 46°
90
Humidity: 91%
UV Index: 0
Wind: 8 mph
6 PM
Rainy Weather
52°
Feels Like 46°
90
Humidity: 91%
UV Index: 0
Wind: 8 mph
7 PM
Rainy Weather
50°
Feels Like 43°
61
Humidity: 97%
UV Index: 0
Wind: 10 mph
8 PM
Rainy Weather
50°
Feels Like 41°
61
Humidity: 96%
UV Index: 0
Wind: 12 mph
9 PM
Rainy Weather
50°
Feels Like 39°
61
Humidity: 95%
UV Index: 0
Wind: 12 mph
10 PM
Rainy Weather
48°
Feels Like 39°
51
Humidity: 96%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Weather
48°
Feels Like 43°
47
Humidity: 95%
UV Index: 0
Wind: 10 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.45 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.011 ppm
  • NO2: 5.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.55 µg/m³
  • PM10: 2.14 µg/m³
  • O3: 0.011 ppm
  • NO2: 5.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.52 µg/m³
  • PM10: 2.16 µg/m³
  • O3: 0.011 ppm
  • NO2: 5.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.58 µg/m³
  • PM10: 2.28 µg/m³
  • O3: 0.011 ppm
  • NO2: 6.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 2.39 µg/m³
  • O3: 0.011 ppm
  • NO2: 6.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.65 µg/m³
  • PM10: 2.41 µg/m³
  • O3: 0.011 ppm
  • NO2: 7.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.7 µg/m³
  • PM10: 2.45 µg/m³
  • O3: 0.011 ppm
  • NO2: 7.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.79 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.011 ppm
  • NO2: 8 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 2.49 µg/m³
  • O3: 0.011 ppm
  • NO2: 8 ppb
  • SO2: 0.4 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.73 µg/m³
  • PM10: 2.26 µg/m³
  • O3: 0.011 ppm
  • NO2: 7.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.47 µg/m³
  • PM10: 1.8 µg/m³
  • O3: 0.012 ppm
  • NO2: 5.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.08 µg/m³
  • PM10: 1.26 µg/m³
  • O3: 0.014 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.8 µg/m³
  • PM10: 0.92 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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