Air Quality in Westerly, United States
Windy
27.4°C · 29.9% humidity
27.4°
Feels 27.4°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Westerly's air quality — share it
AQI Forecast
34
8pm
34
34
27
11pm
29
50
31
2am
32
33
33
5am
33
34
34
8am
27
27
27
11am
27
34
34
2pm
34
34
34
5pm
34
34
Air Quality Index Trend
30h · 3 stnWesterly's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
29.9%
Humidity
46.7 km/h
Wind W
1009.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.41 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Westerly?
Temperature & Precipitation
PM2.5 Trend
30h · 3 stationsPM2.56.41 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Westerly?
08-03
27.4° 19.1°
0.81 mm
08-04
36.2° 17.4°
0.06 mm
08-05
32.7° 21.1°
08-06
28.6° 18.4°
1.06 mm
08-07
28.2° 20.3°
1.69 mm
08-08
27.6° 19.4°
1.44 mm
08-09
36.1° 21.2°
0.25 mm
Both models agree
Avg diff: 2.9°C
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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 2026-08-08T03:25 UTC.