Air Quality in Westmont, United States

Partly Cloudy
23.2°C · 57.3% humidity
23.2°
Feels 23.2°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
143 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
12 11am
15
15
39 2pm
32
27
23 5pm
21
19
17 8pm
16
16
15 11pm
15
15
14 2am
14
14
14 5am
26
26
26 8am
26
26
Station readings
12
15
15
16
CAMS model adj -40
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
66
66
66
AD 728×90

Air Quality Index Trend

48h · 2 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.

57.3%
Humidity
36.7 km/h
Wind SW
1006.4 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
39
9.38 µg/m³
PM10
38
41.15 µg/m³
050100150200300500

What is the weather forecast for Westmont?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.59.38 µg/m³ ✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (143 stations within 25 km)
9.38
Median
9.03
Average
4.12
Low
14.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +7.0

What is the 7-day forecast for Westmont?

07-21
24.8° 21.5°
07-22
25.2° 21.0°
07-23
25.2° 22.1°
0.06 mm
07-24
28.1° 21.1°
07-25
25.3° 20.9°
07-26
29.0° 19.7°
07-27
28.5° 21.4°
Both models agree Avg diff: 2.7°C

Where are air quality stations near Westmont?

38
Woodcrest ES (7863)
0.8 km PM2.5: 9.1 µg/m³
36
Century Pk ES (2945)
1.7 km PM2.5: 8.6 µg/m³
43
La Salle ES (4786)
1.8 km PM2.5: 10.4 µg/m³
35
107th St ES (5857)
2.8 km PM2.5: 8.5 µg/m³
40
Knox ES, Dr Owen Lloyd (6869)
3.0 km PM2.5: 9.7 µg/m³
37
Purche ES (6158)
3.7 km PM2.5: 8.8 µg/m³
36
135th St ES (5877)
3.7 km PM2.5: 8.6 µg/m³
35
122nd St ES (5887)
3.9 km PM2.5: 8.3 µg/m³
40
Budlong ES (2616)
5.1 km PM2.5: 9.6 µg/m³
38
Compton ES (3205)
5.1 km PM2.5: 9.2 µg/m³

What cities are near Westmont?

38 Lennox 39 Willowbrook 38 Inglewood 37 Hawthorne 39 Gardena 40 Florence-Graham 39 Vermont Square 37 Lawndale 40 Walnut Park 39 Huntington Park
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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 2026-07-21T21:54 UTC.