Hourly Weather | Today Tuesday, September 1, 2026
Dubuque, Iowa
11 AM
Foggy Weather
84°
Feels Like 99°
40
Humidity: 76%
UV Index: 5
Wind: 6 mph
12 PM
Foggy Weather
88°
Feels Like 102°
34
Humidity: 71%
UV Index: 6
Wind: 7 mph
1 PM
Foggy Weather
90°
Feels Like 106°
29
Humidity: 65%
UV Index: 6
Wind: 7 mph
2 PM
Cloudy Weather
91°
Feels Like 106°
20
Humidity: 63%
UV Index: 6
Wind: 8 mph
3 PM
Cloudy Weather
93°
Feels Like 108°
20
Humidity: 59%
UV Index: 5
Wind: 7 mph
4 PM
Cloudy Weather
91°
Feels Like 106°
20
Humidity: 61%
UV Index: 3
Wind: 7 mph
5 PM
Cloudy Weather
91°
Feels Like 104°
20
Humidity: 62%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
90°
Feels Like 102°
20
Humidity: 67%
UV Index: 1
Wind: 6 mph
7 PM
Cloudy Weather
88°
Feels Like 99°
13
Humidity: 73%
UV Index: 0
Wind: 5 mph
8 PM
Cloudy Night
84°
Feels Like 97°
0
Humidity: 75%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
82°
Feels Like 91°
0
Humidity: 79%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
81°
Feels Like 88°
0
Humidity: 83%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
77°
Feels Like 84°
0
Humidity: 88%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 7.04 µg/m³
  • PM10: 7.65 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.75 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 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: 8.8 µg/m³
  • PM10: 9.41 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.27 µg/m³
  • PM10: 9.85 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 8.65 µg/m³
  • PM10: 9.2 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.5 ppb
  • SO2: 0.8 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.76 µg/m³
  • PM10: 8.29 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.5 ppb
  • SO2: 0.7 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 7.63 µg/m³
  • O3: 0.047 ppm
  • NO2: 0.6 ppb
  • SO2: 0.6 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.73 µg/m³
  • PM10: 7.27 µg/m³
  • O3: 0.043 ppm
  • NO2: 1 ppb
  • SO2: 0.5 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.45 µg/m³
  • PM10: 7.01 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.25 µg/m³
  • PM10: 6.83 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.18 µg/m³
  • PM10: 6.75 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 6.75 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.22 µg/m³
  • PM10: 6.76 µg/m³
  • O3: 0.037 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.10 ppm

Health Recommendations:

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