What is the air quality in Westchester today?

The current Air Quality Index (AQI) in Westchester is 18 (Good). PM2.5 concentration is 4.28 µg/m³.

What is the temperature in Westchester right now?

The current temperature in Westchester is 14.7°C (feels like 14.7°C). Humidity is 56.2% and wind speed is 12.5 km/h.

Is it safe to go outside in Westchester?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Westchester, United States

Partly Cloudy

14.7°C · 56.2% humidity

14.7°

Feels 14.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

214 stations

Nearby Monitoring Stations

AQI Forecast

25 12am

18 3am

22 6am

24 9am

25 12pm

25 3pm

25 6pm

54 9pm

Air Quality Index Trend

47h · 9 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.

56.2%

Humidity

12.5 km/h

Wind NNE

1011.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.28 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westchester?

Temperature & Precipitation

PM2.5 Trend

47h · 9 stations

PM2.54.28 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (214 stations within 25 km)

4.28

Median

4.3

Average

2.44

Low

12.0

High

PM2.5 µg/m³ · Model: 5.9 · Bias: +1.6

What is the 7-day forecast for Westchester?

06-09

33.2° 14.7°

0.19 mm

06-10

19.6° 17.0°

14.19 mm

06-11

27.1° 15.4°

06-12

31.0° 19.6°

18.38 mm

06-13

31.4° 22.9°

4.13 mm

06-14

29.1° 15.2°

0.06 mm

06-15

34.7° 24.0°

Both models agree Avg diff: 6.4°C

Where are air quality stations near Westchester?

Austin 6

9.4 km PM2.5: 3.7 µg/m³

Garfield Ridge 4

9.7 km PM2.5: 4.8 µg/m³

Austin 7

9.7 km PM2.5: 4.0 µg/m³

Garfield Ridge 3

10.5 km PM2.5: 2.8 µg/m³

Austin 8

10.6 km PM2.5: 5.0 µg/m³

Montclare 2

10.6 km PM2.5: 4.6 µg/m³

Clearing 1

10.7 km PM2.5: 3.4 µg/m³

Austin 5

10.8 km PM2.5: 3.8 µg/m³

Austin 9

10.9 km PM2.5: 5.1 µg/m³

Austin 4

11.0 km PM2.5: 7.3 µg/m³

What cities are near Westchester?

18 Bellwood 17 Brookfield 18 Maywood 17 La Grange 19 Melrose Park 17 Hinsdale 19 Elmhurst 18 Berwyn 19 Oak Park 19 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 2026-06-09T08:24 UTC.