Hourly Weather | Today Thursday, February 26, 2026
Dubuque, Iowa
2 AM
Night
30°
Feels Like 27°
0
Frost Risk: 88%
Humidity: 82%
UV Index: 0
Wind: 6 mph
3 AM
Night
30°
Feels Like 27°
0
Frost Risk: 69%
Humidity: 83%
UV Index: 0
Wind: 6 mph
4 AM
Night
28°
Feels Like 25°
0
Frost Risk: 97%
Humidity: 85%
UV Index: 0
Wind: 7 mph
5 AM
Night
30°
Feels Like 25°
0
Frost Risk: 61%
Humidity: 81%
UV Index: 0
Wind: 7 mph
6 AM
Cloudy Night
30°
Feels Like 25°
0
Frost Risk: 56%
Humidity: 81%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
32°
Feels Like 23°
0
Humidity: 82%
UV Index: 0
Wind: 11 mph
8 AM
Cloudy Weather
34°
Feels Like 27°
0
Humidity: 81%
UV Index: 1
Wind: 11 mph
9 AM
Cloudy Weather
39°
Feels Like 32°
0
Humidity: 70%
UV Index: 2
Wind: 12 mph
10 AM
Cloudy Weather
45°
Feels Like 39°
0
Humidity: 60%
UV Index: 3
Wind: 12 mph
11 AM
Cloudy Weather
50°
Feels Like 46°
0
Humidity: 52%
UV Index: 3
Wind: 15 mph
12 PM
Cloudy Weather
54°
Feels Like 48°
0
Humidity: 49%
UV Index: 4
Wind: 16 mph
1 PM
Cloudy Weather
55°
Feels Like 50°
0
Humidity: 46%
UV Index: 3
Wind: 21 mph
2 PM
Cloudy Weather
59°
Feels Like 54°
0
Humidity: 43%
UV Index: 3
Wind: 21 mph
3 PM
Cloudy Weather
57°
Feels Like 50°
0
Humidity: 47%
UV Index: 2
Wind: 20 mph
4 PM
Cloudy Weather
55°
Feels Like 50°
0
Humidity: 49%
UV Index: 1
Wind: 19 mph
5 PM
Cloudy Weather
52°
Feels Like 45°
0
Humidity: 56%
UV Index: 0
Wind: 15 mph
6 PM
Cloudy Night
48°
Feels Like 41°
0
Humidity: 61%
UV Index: 0
Wind: 14 mph
7 PM
Cloudy Night
46°
Feels Like 41°
0
Humidity: 65%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
43°
Feels Like 36°
0
Humidity: 68%
UV Index: 0
Wind: 11 mph
9 PM
Cloudy Night
41°
Feels Like 32°
0
Humidity: 71%
UV Index: 0
Wind: 12 mph
10 PM
Cloudy Night
37°
Feels Like 28°
0
Humidity: 74%
UV Index: 0
Wind: 12 mph
11 PM
Cloudy Night
36°
Feels Like 27°
0
Humidity: 75%
UV Index: 0
Wind: 11 mph

Hourly Air Quality Forecast - AQI (US EPA)

2 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.05 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.21 µg/m³
  • PM10: 3.86 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

4 AM
40 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 4.06 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

5 AM
39 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 4.19 µg/m³
  • O3: 0.042 ppm
  • NO2: 1.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.5 µg/m³
  • PM10: 4.31 µg/m³
  • O3: 0.041 ppm
  • NO2: 2 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.61 µg/m³
  • PM10: 4.49 µg/m³
  • O3: 0.040 ppm
  • NO2: 2.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 4.65 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.71 µg/m³
  • PM10: 4.66 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.6 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.66 µg/m³
  • PM10: 4.42 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.78 µg/m³
  • PM10: 4.46 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.81 µg/m³
  • PM10: 3.27 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.4 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.12 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.1 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 3.8 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.1 ppb
  • SO2: 1.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.21 µg/m³
  • PM10: 4.68 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.6 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 5.6 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.1 ppb
  • SO2: 0.5 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.5 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.036 ppm
  • NO2: 5.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6 µg/m³
  • PM10: 7.16 µg/m³
  • O3: 0.032 ppm
  • NO2: 6.2 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

8 PM
27 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.54 µg/m³
  • PM10: 7.92 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.11 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.38 µg/m³
  • PM10: 8.94 µg/m³
  • O3: 0.026 ppm
  • NO2: 6.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

11 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.35 µg/m³
  • PM10: 8.84 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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