Air Quality in Westmont, United States
Windy
26.7°C · 37.4% humidity
26.7°
Feels 26.7°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
8
2pm
8
8
57
5pm
43
33
26
8pm
21
17
15
11pm
13
11
10
2am
10
9
21
5am
9
20
8
8am
8
8
8
11am
8
8
Station readings
17
8
4
4
CAMS model
adj -46
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
54
66
54
54
54
54
54
54
Air Quality Index Trend
38h · 1 stnWestmont'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 3.0× the WHO annual guideline of 5 µg/m³.
37.4%
Humidity
58.8 km/h
Wind SW
1011.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Westmont?
Temperature & Precipitation
PM2.5 Trend
38h · 1 stationPM2.515.0 µg/m³
✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
15.0
Median
15.0
Average
15.0
Low
15.0
High
PM2.5 µg/m³ · Model: 9.75 · Bias: -5.2
What is the 7-day forecast for Westmont?
05-29
26.7° 17.5°
05-30
19.7° 15.1°
05-31
22.6° 17.2°
06-01
22.3° 17.2°
0.06 mm
06-02
24.7° 15.2°
06-03
23.2° 15.4°
06-04
21.3° 16.5°
Both models agree
Avg diff: 2.8°C
Where are air quality stations near Westmont?
19
Woodcrest ES (7863)
20
Century Pk ES (2945)
27
La Salle ES (4786)
20
107th St ES (5857)
24
Knox ES, Dr Owen Lloyd (6869)
21
Purche ES (6158)
20
135th St ES (5877)
24
Budlong ES (2616)
21
Compton ES (3205)
22
Avalon Gardens ES (2247)
What cities are near Westmont?
Get AQI alerts for Westmont
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T00:25 UTC.