Air Quality in Westchester, United States

Partly Cloudy
14.7°C · 56.2% humidity
14.7°
Feels 14.7°
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
214 stations

Nearby Monitoring Stations

AQI Forecast
25 12am
24
24
18 3am
20
21
22 6am
22
24
24 9am
24
25
25 12pm
25
25
25 3pm
25
25
25 6pm
25
54
54 9pm
54
54
AD 728×90

Air Quality Index Trend

47h · 9 stn

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
PM2.5
18
4.28 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 9 stations
PM2.54.28 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
4.28
Median
4.3
Average
2.44
Low
12.0
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.6
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°
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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.