Hourly Weather | Today › Friday, October 30, 2026
Naperville, Illinois
6 AM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
7 AM
Cloudy Night
45°
Feels Like 43°
0
Humidity: 85%
UV Index: 0
Wind: 6 mph
8 AM
Cloudy Weather
45°
Feels Like 43°
0
Humidity: 84%
UV Index: 0
Wind: 6 mph
9 AM
Cloudy Weather
48°
Feels Like 48°
0
Humidity: 80%
UV Index: 1
Wind: 7 mph
10 AM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 73%
UV Index: 2
Wind: 8 mph
11 AM
Cloudy Weather
57°
Feels Like 59°
0
Humidity: 65%
UV Index: 2
Wind: 8 mph
12 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 61%
UV Index: 2
Wind: 8 mph
1 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 59%
UV Index: 2
Wind: 8 mph
2 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 56%
UV Index: 1
Wind: 9 mph
3 PM
Cloudy Weather
61°
Feels Like 59°
0
Humidity: 58%
UV Index: 1
Wind: 9 mph
4 PM
Cloudy Weather
61°
Feels Like 57°
0
Humidity: 58%
UV Index: 1
Wind: 9 mph
5 PM
Cloudy Weather
57°
Feels Like 55°
0
Humidity: 62%
UV Index: 0
Wind: 9 mph
6 PM
Cloudy Weather
57°
Feels Like 54°
0
Humidity: 66%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Weather
55°
Feels Like 52°
1
Humidity: 71%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
54°
Feels Like 50°
22
Humidity: 75%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Weather
54°
Feels Like 52°
22
Humidity: 74%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Weather
54°
Feels Like 50°
27
Humidity: 76%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
54°
Feels Like 50°
49
Humidity: 76%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
30 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.29 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.023 ppm
  • NO2: 5.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

7 AM
35 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.3 µg/m³
  • PM10: 9.65 µg/m³
  • O3: 0.022 ppm
  • NO2: 6.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

8 AM
38 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 9.12 µg/m³
  • PM10: 10.76 µg/m³
  • O3: 0.021 ppm
  • NO2: 7.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.04 µg/m³
  • PM10: 10.94 µg/m³
  • O3: 0.022 ppm
  • NO2: 8.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 AM
36 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.72 µg/m³
  • PM10: 10.74 µg/m³
  • O3: 0.024 ppm
  • NO2: 7.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.22 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.13 µg/m³
  • PM10: 10.03 µg/m³
  • O3: 0.029 ppm
  • NO2: 7.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.45 µg/m³
  • PM10: 9.26 µg/m³
  • O3: 0.031 ppm
  • NO2: 7 ppb
  • SO2: 1.9 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.47 µg/m³
  • PM10: 9.17 µg/m³
  • O3: 0.034 ppm
  • NO2: 6.7 ppb
  • SO2: 1.8 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.59 µg/m³
  • PM10: 7.8 µg/m³
  • O3: 0.040 ppm
  • NO2: 4.9 ppb
  • SO2: 1.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.08 µg/m³
  • PM10: 7 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.6 ppb
  • SO2: 1.3 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.84 µg/m³
  • PM10: 6.62 µg/m³
  • O3: 0.045 ppm
  • NO2: 3 ppb
  • SO2: 1.1 ppb
  • CO: 0.16 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: 5.63 µg/m³
  • PM10: 6.26 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.7 ppb
  • SO2: 1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.53 µg/m³
  • PM10: 6.04 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.9 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.45 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.32 µg/m³
  • PM10: 5.74 µg/m³
  • O3: 0.043 ppm
  • NO2: 3.2 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 5.75 µg/m³
  • O3: 0.041 ppm
  • NO2: 3.3 ppb
  • SO2: 0.6 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.2 µg/m³
  • PM10: 5.7 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 5.6 µg/m³
  • O3: 0.040 ppm
  • NO2: 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.