What is the air quality in Worcester today?

The current Air Quality Index (AQI) in Worcester is 43 (Good). PM2.5 concentration is 10.3 µg/m³.

What is the temperature in Worcester right now?

The current temperature in Worcester is 17.3°C (feels like 17.3°C). Humidity is 98.3% and wind speed is 70.6 km/h.

Is it safe to go outside in Worcester?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 7.9 (Very High).

Air Quality in Worcester, United States

Rain

17.3°C · 98.3% humidity

17.3°

Feels 17.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

34 1pm

43 4pm

30 7pm

26 10pm

24 1am

24 4am

24 7am

24 10am

Air Quality Index Trend

38h · 1 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.

98.3%

Humidity

70.6 km/h

Wind NNE

1013.6 hPa

Pressure

7.9

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.3 µg/m³

PM10

34.3 µg/m³

050100150200300500

What is the weather forecast for Worcester?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station

PM2.510.3 µg/m³ ✓ WHO

Good

PM1034.3 µg/m³

Good

UV INDEX7.9

Very High

Station readings (1 station within 25 km)

10.3

Median

10.3

Average

10.3

Low

10.3

High

PM2.5 µg/m³ · Model: 17.65 · Bias: +7.3

What is the 7-day forecast for Worcester?

07-21

24.9° 17.3°

6.5 mm

07-22

21.4° 13.7°

10.19 mm

07-23

27.2° 15.3°

1.69 mm

07-24

27.8° 14.8°

1.88 mm

07-25

33.6° 19.5°

3.13 mm

07-26

22.7° 16.2°

2.5 mm

07-27

28.5° 13.8°

5.06 mm

Both models agree Avg diff: 3.3°C

Where are air quality stations near Worcester?

Worcester Summer St

0.7 km PM2.5: 20.2 µg/m³

What cities are near Worcester?

43 Shrewsbury 43 Holden 43 Grafton 43 Marlborough 52 Milford 56 Ashland 44 Southbridge 40 Leominster 56 Framingham Center 56 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 2026-07-21T20:10 UTC.