Air Quality in Westfield, United States

Windy
25.6°C · 34.5% humidity
25.6°
Feels 25.6°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 7pm
25
25
30 10pm
31
30
29 1am
28
28
28 4am
27
27
27 7am
27
25
25 10am
25
25
25 1pm
25
25
27 4pm
27
27
AD 728×90

Air Quality Index Trend

45h · 8 stn

Westfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

34.5%
Humidity
50.0 km/h
Wind WNW
1010.0 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
30
7.1 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Westfield?

Temperature & Precipitation

PM2.5 Trend

45h · 8 stations
PM2.57.1 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Westfield?

08-03
25.6° 17.2°
0.94 mm
08-04
34.1° 15.1°
08-05
33.9° 20.2°
1.75 mm
08-06
28.2° 14.9°
0.81 mm
08-07
31.4° 18.8°
7.13 mm
08-08
29.0° 18.4°
0.13 mm
08-09
39.2° 21.0°
0.19 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Westfield?

27
Springfield Liberty St
13.2 km PM2.5: 6.5 µg/m³
28
Springfield Liberty St
13.2 km PM2.5: 6.7 µg/m³
27
Springfield Collocation - Breathe Easy Berkshires
13.6 km PM2.5: 6.4 µg/m³

What cities are near Westfield?

30 West Springfield 30 Chicopee 41 Agawam 30 North Chicopee 30 Holyoke 41 Longmeadow 30 Easthampton 41 East Longmeadow 30 South Hadley 33 Enfield
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:08 UTC.