What is the air quality in Westchester today?

The current Air Quality Index (AQI) in Westchester is 50 (Good). PM2.5 concentration is 11.98 µg/m³.

What is the temperature in Westchester right now?

The current temperature in Westchester is 13.7°C (feels like 13.7°C). Humidity is 52.7% and wind speed is 33.5 km/h.

Is it safe to go outside in Westchester?

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

Air Quality in Westchester, United States

Partly Cloudy

13.7°C · 52.7% humidity

13.7°

Feels 13.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

220 stations

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

7h · 1 stn

View full history →

Westchester's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

52.7%

Humidity

33.5 km/h

Wind ENE

1024.2 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.98 µg/m³

PM10

41.2 µg/m³

050100150200300500

What is the weather forecast for Westchester?

Temperature & Precipitation

PM2.5 Trend

7h · 1 station

PM2.511.98 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (220 stations within 25 km)

11.98

Median

11.65

Average

1.15

Low

18.52

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +1.5

What is the 7-day forecast for Westchester?

10-20

11.9° 7.6°

0.13 mm

10-21

22.7° 13.0°

0.31 mm

10-22

16.2° 9.2°

0.31 mm

10-23

12.3° 9.7°

2.56 mm

10-24

24.4° 11.0°

10-25

15.2° 4.7°

0.25 mm

10-26

16.3° 3.5°

5.63 mm

Both models agree Avg diff: 4.8°C

Where are air quality stations near Westchester?

Austin 6

9.4 km PM2.5: 12.5 µg/m³

Garfield Ridge 4

9.7 km PM2.5: 13.1 µg/m³

Austin 7

9.8 km PM2.5: 12.6 µg/m³

Garfield Ridge 3

10.5 km PM2.5: 13.2 µg/m³

Austin 8

10.6 km PM2.5: 12.9 µg/m³

Montclare 2

10.6 km PM2.5: 13.0 µg/m³

Clearing 1

10.7 km PM2.5: 8.9 µg/m³

Austin 5

10.8 km PM2.5: 11.3 µg/m³

Austin 9

10.9 km PM2.5: 11.8 µg/m³

Austin 4

11.0 km PM2.5: 14.8 µg/m³

What cities are near Westchester?

50 Bellwood 51 Brookfield 51 Maywood 51 La Grange 50 Melrose Park 51 Hinsdale 49 Elmhurst 52 Berwyn 53 Oak Park 48 Franklin 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 2026-10-20T22:43 UTC.