Air Quality in Westmont, United States

Windy
11.9°C · 55.5% humidity
11.9°
Feels 11.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
92 stations

Nearby Monitoring Stations

AQI Forecast
27 2pm
27
27
25 5pm
27
27
25 8pm
25
25
25 11pm
27
27
27 2am
27
27
27 5am
27
27
25 8am
25
25
25 11am
25
25
AD 728×90

Air Quality Index Trend

47h · 7 stn

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 1.2× the WHO annual guideline of 5 µg/m³.

55.5%
Humidity
67.6 km/h
Wind NNE
1028.1 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
5.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westmont?

Temperature & Precipitation

PM2.5 Trend

47h · 7 stations
PM2.55.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX5.9
High
AD 300×250
Station readings (92 stations within 25 km)
5.9
Median
5.94
Average
4.1
Low
9.6
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +0.6

What is the 7-day forecast for Westmont?

05-28
28.1° 11.0°
17.94 mm
05-29
29.8° 8.1°
05-30
24.7° 12.2°
0.19 mm
05-31
31.1° 15.1°
06-01
31.5° 15.9°
06-02
21.2° 16.5°
8.81 mm
06-03
31.2° 22.5°
Both models agree Avg diff: 4.9°C

Where are air quality stations near Westmont?

23
Garfield Ridge 4
14.5 km PM2.5: 5.6 µg/m³
28
Clearing 1
14.7 km PM2.5: 6.6 µg/m³
22
Garfield Ridge 3
16.0 km PM2.5: 5.3 µg/m³
24
Garfield Ridge 2
16.9 km PM2.5: 5.8 µg/m³
25
Clearing 2
17.1 km PM2.5: 5.9 µg/m³
23
Clearing 3
18.5 km PM2.5: 5.4 µg/m³
23
Garfield Ridge 1
18.6 km PM2.5: 5.6 µg/m³
23
Austin 6
18.7 km PM2.5: 5.6 µg/m³
23
Austin 7
19.3 km PM2.5: 5.6 µg/m³
25
South Lawndale 5
19.5 km PM2.5: 6.1 µg/m³

What cities are near Westmont?

25 Hinsdale 24 Downers Grove 19 Lisle 20 Woodridge 25 La Grange 23 Lombard 24 Westchester 23 Villa Park 25 Brookfield 21 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 2026-05-28T22:53 UTC.