What is the air quality in Westmont today?

The current Air Quality Index (AQI) in Westmont is 60 (Moderate). PM2.5 concentration is 16.5 µg/m³.

What is the temperature in Westmont right now?

The current temperature in Westmont is 8.8°C (feels like 2.4°C). Humidity is 41.1% and wind speed is 87.2 km/h.

Air Quality in Westmont, United States

Windy

8.8°C · 41.1% humidity

8.8°

Feels 2.4°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

94 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 287 stn

View full history →

Westmont's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Westmont is 1.1× the WHO 24-hour guideline of 15 µg/m³.

41.1%

Humidity

87.2 km/h

Wind NNE

1027.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

16.5 µg/m³

PM10

54.9 µg/m³

050100150200300500

What is the weather forecast for Westmont?

Temperature & Precipitation

PM2.5 Trend

46h · 287 stations

PM2.516.5 µg/m³ ×1.1 WHO

Moderate

PM1054.9 µg/m³

Moderate

UV INDEX0.0

Low

Station readings (94 stations within 25 km)

16.5

Median

16.59

Average

6.2

Low

22.35

High

PM2.5 µg/m³ · Model: 19.2 · Bias: +2.7

What is the 7-day forecast for Westmont?

10-20

10.9° 5.7°

0.06 mm

10-21

21.7° 12.2°

0.5 mm

10-22

15.5° 8.5°

0.19 mm

10-23

11.1° 9.6°

2.5 mm

10-24

23.8° 10.3°

10-25

14.8° 3.8°

0.19 mm

10-26

16.0° 3.3°

4.81 mm

Both models agree Avg diff: 4.7°C

Where are air quality stations near Westmont?

Garfield Ridge 4

14.5 km PM2.5: 15.8 µg/m³

Clearing 1

14.7 km PM2.5: 9.8 µg/m³

Naperville, Illinois, USA

14.9 km PM2.5: 9.6 µg/m³

Garfield Ridge 3

16.0 km PM2.5: 18.0 µg/m³

Garfield Ridge 2

16.9 km PM2.5: 18.3 µg/m³

Clearing 2

17.1 km PM2.5: 6.7 µg/m³

Clearing 3

18.5 km PM2.5: 18.0 µg/m³

Garfield Ridge 1

18.6 km PM2.5: 17.5 µg/m³

Austin 6

18.7 km PM2.5: 17.4 µg/m³

Austin 7

19.4 km PM2.5: 17.2 µg/m³

What cities are near Westmont?

60 Hinsdale 61 Downers Grove 45 Lisle 50 Woodridge 59 La Grange 59 Lombard 59 Westchester 59 Villa Park 59 Brookfield 60 Glen Ellyn

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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 2026-10-20T20:56 UTC.