What is the air quality in Westmont today?

The current Air Quality Index (AQI) in Westmont is 36 (Good). PM2.5 concentration is 8.65 µg/m³.

What is the temperature in Westmont right now?

The current temperature in Westmont is 29.7°C (feels like 29.7°C). Humidity is 22.2% and wind speed is 18.5 km/h.

Is it safe to go outside in Westmont?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Westmont, United States

Clear

29.7°C · 22.2% humidity

29.7°

Feels 29.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

142 stations

Nearby Monitoring Stations

AQI Forecast

30 10am

36 1pm

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Station readings

Air Quality Index Trend

47h · 2 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.

22.2%

Humidity

18.5 km/h

Wind SSW

1015.5 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.65 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Westmont?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.58.65 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (142 stations within 25 km)

8.65

Median

8.98

Average

4.15

Low

13.86

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +4.8

What is the 7-day forecast for Westmont?

10-20

29.7° 22.0°

10-21

24.0° 19.7°

10-22

30.9° 20.5°

10-23

23.7° 20.6°

10-24

23.4° 18.5°

0.06 mm

10-25

27.7° 16.7°

0.5 mm

10-26

25.8° 19.7°

1.0 mm

Both models agree Avg diff: 3.1°C

Where are air quality stations near Westmont?

Woodcrest ES (7863)

0.8 km PM2.5: 7.9 µg/m³

Century Pk ES (2945)

1.7 km PM2.5: 8.1 µg/m³

La Salle ES (4786)

1.8 km PM2.5: 10.2 µg/m³

107th St ES (5857)

2.8 km PM2.5: 7.8 µg/m³

Knox ES, Dr Owen Lloyd (6869)

3.0 km PM2.5: 9.3 µg/m³

Purche ES (6158)

3.7 km PM2.5: 8.1 µg/m³

135th St ES (5877)

3.7 km PM2.5: 7.8 µg/m³

122nd St ES (5887)

3.9 km PM2.5: 8.2 µg/m³

Budlong ES (2616)

5.1 km PM2.5: 9.2 µg/m³

Compton ES (3205)

5.1 km PM2.5: 8.3 µg/m³

What cities are near Westmont?

37 Lennox 36 Willowbrook 37 Inglewood 37 Hawthorne 39 Gardena 36 Florence-Graham 38 Vermont Square 37 Lawndale 36 Walnut Park 35 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 2026-10-20T20:57 UTC.