Hourly Weather | Today Thursday, October 16, 2025
Naperville, Illinois
4 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 51%
Wind: 8 mph
UV Index: 20
5 PM
Cloudy Weather
66°
Feels Like 66°
0
Humidity: 54%
Wind: 8 mph
UV Index: 12
6 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 59%
Wind: 8 mph
UV Index: 3
7 PM
Cloudy Night
63°
Feels Like 61°
1
Humidity: 65%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
63°
Feels Like 61°
3
Humidity: 63%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
63°
Feels Like 61°
3
Humidity: 66%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
61°
Feels Like 59°
3
Humidity: 68%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
61°
Feels Like 57°
3
Humidity: 68%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 9.48 µg/m³
  • PM10: 10.23 µg/m³
  • O3: 0.051 ppm
  • NO2: 0.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.35 µg/m³
  • PM10: 10.06 µg/m³
  • O3: 0.051 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.25 µg/m³
  • PM10: 9.95 µg/m³
  • O3: 0.049 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.2 µg/m³
  • PM10: 9.9 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.1 µg/m³
  • PM10: 9.83 µg/m³
  • O3: 0.045 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.27 µg/m³
  • PM10: 10.07 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 9.71 µg/m³
  • PM10: 10.6 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 10.2 µg/m³
  • PM10: 11.19 µg/m³
  • O3: 0.043 ppm
  • NO2: 2.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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