Air Quality in Worcester, United States
Windy
26.2°C · 30.4% humidity
26.2°
Feels 26.2°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Worcester's air quality — share it
AQI Forecast
25
4pm
25
25
40
7pm
36
33
31
10pm
29
30
29
1am
28
28
28
4am
28
34
27
7am
27
25
25
10am
25
25
25
1pm
25
25
Air Quality Index Trend
12h · 1 stnWorcester's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
30.4%
Humidity
56.8 km/h
Wind W
1009.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.6 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Worcester?
Temperature & Precipitation
PM2.5 Trend
12h · 1 stationPM2.59.6 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Worcester?
08-03
26.2° 17.3°
1.13 mm
08-04
36.5° 15.9°
0.06 mm
08-05
34.6° 21.2°
08-06
29.4° 15.4°
2.56 mm
08-07
30.7° 19.6°
6.25 mm
08-08
26.4° 19.2°
0.13 mm
08-09
38.9° 22.1°
0.69 mm
Both models agree
Avg diff: 3.6°C
What cities are near Worcester?
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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 2026-08-07T23:56 UTC.