What is the air quality in Naperville today?

The current Air Quality Index (AQI) in Naperville is 20 (Good). PM2.5 concentration is 4.8 µg/m³.

What is the temperature in Naperville right now?

The current temperature in Naperville is 11.1°C (feels like 11.1°C). Humidity is 69.9% and wind speed is 81.2 km/h.

Is it safe to go outside in Naperville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Naperville, United States

Windy

11.1°C · 69.9% humidity

11.1°

Feels 11.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

27 1pm

20 4pm

24 7pm

24 10pm

27 1am

27 4am

27 7am

25 10am

Air Quality Index Trend

47h · 3 stn

View full history →

Naperville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

69.9%

Humidity

81.2 km/h

Wind NNE

1028.4 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Naperville?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations

PM2.54.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX9.4

Very High

Station readings (1 station within 25 km)

4.8

Median

4.8

Average

4.8

Low

4.8

High

PM2.5 µg/m³ · Model: 7.35 · Bias: +2.5

What is the 7-day forecast for Naperville?

05-28

25.1° 10.8°

18.56 mm

05-29

28.1° 5.0°

05-30

23.1° 11.7°

0.56 mm

05-31

29.5° 12.5°

06-01

29.6° 14.5°

06-02

21.1° 14.0°

9.81 mm

06-03

29.0° 21.3°

Both models agree Avg diff: 5.1°C

Where are air quality stations near Naperville?

Schiller Park Collocation 2

30.0 km PM2.5: 5.0 µg/m³

Schiller Park Collocation 1

30.0 km PM2.5: 5.1 µg/m³

Schiller Park Collocation 3

30.0 km PM2.5: 5.3 µg/m³

O'Hare 2

31.6 km PM2.5: 4.7 µg/m³

O'Hare 1

32.7 km PM2.5: 5.2 µg/m³

What cities are near Naperville?

21 Lisle 23 Woodridge 21 Wheaton 25 Downers Grove 22 Bolingbrook 20 West Chicago 22 Glen Ellyn 21 Carol Stream 25 Westmont 20 Aurora

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-28T21:46 UTC.