Hourly Weather | Today Thursday, February 26, 2026
Aurora, Illinois
4 AM
Cloudy Night
25°
Feels Like
7
Humidity: 61%
UV Index: 0
Wind: 15 mph
5 AM
Cloudy Night
23°
Feels Like
7
Frost Risk: 48%
Humidity: 62%
UV Index: 0
Wind: 15 mph
6 AM
Cloudy Night
23°
Feels Like
5
Frost Risk: 49%
Humidity: 62%
UV Index: 0
Wind: 15 mph
7 AM
Cloudy Weather
21°
Feels Like 19°
0
Frost Risk: 99%
Humidity: 76%
UV Index: 0
Wind: 5 mph
8 AM
Cloudy Weather
23°
Feels Like 25°
0
Frost Risk: 93%
Humidity: 71%
UV Index: 1
Wind: 5 mph
9 AM
Cloudy Weather
27°
Feels Like 28°
0
Humidity: 62%
UV Index: 1
Wind: 5 mph
10 AM
Cloudy Weather
32°
Feels Like 32°
0
Humidity: 54%
UV Index: 2
Wind: 6 mph
11 AM
Cloudy Weather
36°
Feels Like 34°
0
Humidity: 49%
UV Index: 2
Wind: 7 mph
12 PM
Cloudy Weather
37°
Feels Like 36°
0
Humidity: 46%
UV Index: 2
Wind: 9 mph
1 PM
Cloudy Weather
41°
Feels Like 36°
0
Humidity: 46%
UV Index: 2
Wind: 10 mph
2 PM
Cloudy Weather
43°
Feels Like 37°
0
Humidity: 46%
UV Index: 2
Wind: 10 mph
3 PM
Cloudy Weather
45°
Feels Like 37°
0
Humidity: 47%
UV Index: 1
Wind: 12 mph
4 PM
Cloudy Weather
43°
Feels Like 37°
0
Humidity: 54%
UV Index: 1
Wind: 10 mph
5 PM
Cloudy Weather
41°
Feels Like 36°
0
Humidity: 61%
UV Index: 0
Wind: 8 mph
6 PM
Cloudy Night
39°
Feels Like 34°
0
Humidity: 70%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Night
36°
Feels Like 30°
0
Humidity: 77%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 83%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
34°
Feels Like 28°
0
Humidity: 81%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
32°
Feels Like 28°
0
Humidity: 84%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
30°
Feels Like 27°
0
Frost Risk: 85%
Humidity: 88%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 4.42 µg/m³
  • PM10: 4.98 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.7 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 AM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 5.25 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.5 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 AM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.06 µg/m³
  • PM10: 5.65 µg/m³
  • O3: 0.034 ppm
  • NO2: 3.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.58 µg/m³
  • PM10: 6.26 µg/m³
  • O3: 0.032 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.2 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.65 µg/m³
  • PM10: 7.67 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.99 µg/m³
  • PM10: 6.99 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.7 ppb
  • SO2: 1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.43 µg/m³
  • PM10: 6.34 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.5 ppb
  • SO2: 1.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.95 µg/m³
  • PM10: 5.75 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.7 ppb
  • SO2: 1.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.42 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.6 ppb
  • SO2: 1.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.62 µg/m³
  • PM10: 3.14 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.15 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: 2.47 µg/m³
  • PM10: 2.97 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.9 ppb
  • SO2: 1.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.99 µg/m³
  • PM10: 3.56 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.8 ppb
  • SO2: 1.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.75 µg/m³
  • PM10: 4.43 µg/m³
  • O3: 0.042 ppm
  • NO2: 5.1 ppb
  • SO2: 0.8 ppb
  • CO: 0.18 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: 4.51 µg/m³
  • PM10: 5.32 µg/m³
  • O3: 0.036 ppm
  • NO2: 7.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 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: 5.2 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.032 ppm
  • NO2: 8.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.77 µg/m³
  • PM10: 6.72 µg/m³
  • O3: 0.031 ppm
  • NO2: 8.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.22 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.15 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.032 ppm
  • NO2: 7.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.37 µg/m³
  • PM10: 7.23 µg/m³
  • O3: 0.034 ppm
  • NO2: 6.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.75 µg/m³
  • PM10: 7.61 µg/m³
  • O3: 0.034 ppm
  • NO2: 5.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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