Air Quality in Westchester, United States

Windy
18.3°C · 88.7% humidity
18.3°
Feels 18.3°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
212 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
33 10pm
35
37
46 1am
46
46
46 4am
46
46
33 7am
21
8
8 10am
21
21
21 1pm
21
33
33 4pm
46
46
46 7pm
71
71
Station readings
33
35
37
CAMS model adj -4
37
37
37
50
50
50
50
50
50
37
25
12
12
25
25
25
25
37
37
50
50
50
75
75
AD 728×90

PM2.5 Trend (24h)

24h · 272 stations
88.7%
Humidity
85.7 km/h
Wind SSW
1016.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Westchester?

Temperature & Precipitation

PM2.58.24 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (212 stations within 25 km)
8.24
Median
8.48
Average
5.56
Low
15.15
High
PM2.5 µg/m³ · Model: 5.9 · Bias: -2.3

What is the 7-day forecast for Westchester?

04-10
18.3° 5.1°
12.06 mm
04-11
6.9° 3.6°
19.69 mm
04-12
18.1° 8.0°
1.88 mm
04-13
25.6° 17.0°
2.0 mm
04-14
25.4° 18.0°
9.06 mm
04-15
14.4° 3.8°
0.88 mm
04-16
13.3° 3.2°
Both models agree Avg diff: 6.9°C

Where are air quality stations near Westchester?

32
Austin 6
9.4 km PM2.5: 7.7 µg/m³
39
Garfield Ridge 4
9.7 km PM2.5: 9.4 µg/m³
31
Austin 7
9.7 km PM2.5: 7.5 µg/m³
30
Garfield Ridge 3
10.5 km PM2.5: 7.2 µg/m³
33
Austin 8
10.6 km PM2.5: 8.0 µg/m³
35
Montclare 2
10.6 km PM2.5: 8.4 µg/m³
34
Clearing 1
10.7 km PM2.5: 8.1 µg/m³
34
Austin 5
10.8 km PM2.5: 8.2 µg/m³
33
Austin 9
10.9 km PM2.5: 7.9 µg/m³
40
Austin 4
11.0 km PM2.5: 9.5 µg/m³

What cities are near Westchester?

34 Bellwood 34 Brookfield 34 Maywood 34 La Grange 34 Melrose Park 34 Hinsdale 35 Elmhurst 34 Berwyn 34 Oak Park 35 Franklin Park

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:58 UTC.