What is the air quality in Worcester today?

The current Air Quality Index (AQI) in Worcester is 20 (Good). PM2.5 concentration is 4.94 µg/m³.

What is the temperature in Worcester right now?

The current temperature in Worcester is 14.4°C (feels like 14.4°C). Humidity is 42.9% and wind speed is 41.1 km/h.

Is it safe to go outside in Worcester?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Worcester, United States

Windy

14.4°C · 42.9% humidity

14.4°

Feels 14.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

39h · 2 stn

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

42.9%

Humidity

41.1 km/h

Wind W

1021.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.94 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Worcester?

Temperature & Precipitation

PM2.5 Trend

39h · 2 stations

PM2.54.94 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Worcester?

10-20

14.4° 4.9°

12.25 mm

10-21

18.7° 5.0°

10-22

18.1° 4.6°

5.81 mm

10-23

14.4° 3.8°

0.06 mm

10-24

10.1° 7.6°

10-25

17.6° 6.8°

50.19 mm

10-26

10.6° 3.7°

1.19 mm

Both models agree Avg diff: 4.1°C

What cities are near Worcester?

20 Shrewsbury 20 Holden 20 Grafton 17 Marlborough 20 Milford 12 Ashland 21 Southbridge 20 Leominster 4 Framingham Center 4 Framingham

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-20T20:05 UTC.