Air Quality in Westfield, United States
Windy
5.6°C · 57.8% humidity
5.6°
Feels -0.3°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
Calibrated
16
8pm
16
16
16
11pm
28
28
28
2am
28
28
41
5am
41
41
41
8am
66
66
66
11am
66
41
41
2pm
41
41
41
5pm
41
28
Station readings
16
16
CAMS model
adj -9
25
25
25
25
37
37
37
37
37
50
50
50
50
75
75
75
75
50
50
50
50
50
50
37
PM2.5 Trend (24h)
22h · 7 stations57.8%
Humidity
44.4 km/h
Wind SSW
1031.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Westfield?
Temperature & Precipitation
PM2.53.62 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
Station readings (1 station within 25 km)
3.62
Median
3.62
Average
3.62
Low
3.62
High
PM2.5 µg/m³ · Model: 17.65 · Bias: +14.0
What is the 7-day forecast for Westfield?
04-09
12.6° -2.3°
04-10
18.6° 0.3°
04-11
20.2° 5.8°
04-12
18.3° 5.0°
04-13
12.5° 8.2°
4.56 mm
04-14
25.5° 14.0°
04-15
21.7° 16.1°
0.88 mm
Both models agree
Avg diff: 3.7°C
Where are air quality stations near Westfield?
What cities are near Westfield?
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T23:00 UTC.