Air Quality in Westerly, United States
Rain
16.3°C · 95.1% humidity
16.3°
Feels 16.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Westerly's air quality — share it
AQI Forecast
54
3pm
54
34
28
6pm
30
31
25
9pm
25
33
33
12am
33
27
25
3am
25
25
25
6am
25
25
25
9am
27
27
27
12pm
27
25
Air Quality Index Trend
35h · 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.
95.1%
Humidity
118.2 km/h
Wind NNE
1008.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.75 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Westerly?
Temperature & Precipitation
PM2.5 Trend
35h · 3 stationsPM2.56.75 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Westerly?
07-21
23.1° 18.5°
16.62 mm
07-22
21.9° 15.1°
7.69 mm
07-23
29.0° 16.2°
1.94 mm
07-24
25.6° 16.5°
4.0 mm
07-25
29.8° 19.8°
6.63 mm
07-26
24.1° 17.5°
0.06 mm
07-27
26.1° 15.8°
2.25 mm
Both models agree
Avg diff: 2.4°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 2026-07-21T22:58 UTC.