Hourly Weather | Today Monday, September 21, 2026
Dubuque, Iowa
2 PM
Rainy Weather
63°
Feels Like 57°
70
Humidity: 79%
UV Index: 1
Wind: 10 mph
3 PM
Rainy Weather
63°
Feels Like 59°
62
Humidity: 75%
UV Index: 1
Wind: 9 mph
4 PM
Cloudy Weather
63°
Feels Like 61°
49
Humidity: 76%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
63°
Feels Like 59°
49
Humidity: 77%
UV Index: 1
Wind: 9 mph
6 PM
Rainy Weather
61°
Feels Like 55°
61
Humidity: 77%
UV Index: 0
Wind: 9 mph
7 PM
Cloudy Weather
61°
Feels Like 57°
49
Humidity: 78%
UV Index: 0
Wind: 9 mph
8 PM
Cloudy Weather
59°
Feels Like 55°
43
Humidity: 81%
UV Index: 0
Wind: 9 mph
9 PM
Cloudy Weather
57°
Feels Like 54°
47
Humidity: 82%
UV Index: 0
Wind: 9 mph
10 PM
Rainy Weather
57°
Feels Like 50°
51
Humidity: 84%
UV Index: 0
Wind: 9 mph
11 PM
Rainy Weather
55°
Feels Like 48°
51
Humidity: 85%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 1.42 µg/m³
  • O3: 0.027 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 1.37 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.31 µg/m³
  • PM10: 1.41 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.36 µg/m³
  • PM10: 1.46 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.41 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.4 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.37 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.36 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.34 µg/m³
  • PM10: 1.51 µg/m³
  • O3: 0.023 ppm
  • NO2: 2.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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