What is the air quality in Westchester today?

The current Air Quality Index (AQI) in Westchester is 29 (Good). PM2.5 concentration is 6.97 µg/m³.

What is the temperature in Westchester right now?

The current temperature in Westchester is 9.5°C (feels like 3.8°C). Humidity is 64.7% and wind speed is 77.7 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

Windy

9.5°C · 64.7% humidity

9.5°

Feels 3.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast

25 4pm

29 7pm

27 10pm

27 1am

27 4am

27 7am

25 10am

25 1pm

Air Quality Index Trend

46h · 14 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. Current PM2.5 concentration in Westchester is 1.4× the WHO annual guideline of 5 µg/m³.

64.7%

Humidity

77.7 km/h

Wind NNE

1028.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.97 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Westchester?

Temperature & Precipitation

PM2.5 Trend

46h · 14 stations

PM2.56.97 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (6 stations within 25 km)

6.97

Median

7.25

Average

3.6

Low

14.5

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -0.7

What is the 7-day forecast for Westchester?

05-29

30.0° 8.1°

05-30

24.9° 11.6°

0.06 mm

05-31

27.3° 15.2°

0.06 mm

06-01

31.9° 14.7°

06-02

21.3° 17.1°

9.38 mm

06-03

31.5° 22.7°

06-04

22.8° 12.6°

0.06 mm

Both models agree Avg diff: 5.1°C

Where are air quality stations near Westchester?

Austin 6

9.4 km PM2.5: 5.6 µg/m³

Garfield Ridge 4

9.7 km PM2.5: 5.6 µg/m³

Austin 7

9.7 km PM2.5: 5.6 µg/m³

Garfield Ridge 3

10.5 km PM2.5: 5.3 µg/m³

Austin 8

10.6 km PM2.5: 5.6 µg/m³

Montclare 2

10.6 km PM2.5: 5.5 µg/m³

Clearing 1

10.7 km PM2.5: 6.6 µg/m³

Austin 5

10.8 km PM2.5: 5.7 µg/m³

Austin 9

10.9 km PM2.5: 5.4 µg/m³

Austin 4

11.0 km PM2.5: 7.3 µg/m³

What cities are near Westchester?

26 Bellwood 29 Brookfield 23 Maywood 32 La Grange 24 Melrose Park 32 Hinsdale 30 Elmhurst 25 Berwyn 20 Oak Park 30 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 2026-05-29T00:24 UTC.