What is the air quality in Sudbury today?

The current Air Quality Index (AQI) in Sudbury is 18 (Good). PM2.5 concentration is 4.32 µg/m³.

What is the temperature in Sudbury right now?

The current temperature in Sudbury is 5.4°C (feels like 1.9°C). Humidity is 67.3% and wind speed is 17.2 km/h.

Is it safe to go outside in Sudbury?

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

Air Quality in Sudbury, United States

Partly Cloudy

5.4°C · 67.3% humidity

5.4°

Feels 1.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Station readings

Air Quality Index Trend

48h · 1 stn

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

67.3%

Humidity

17.2 km/h

Wind SSW

1029.6 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.32 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Sudbury?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station

PM2.54.32 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Both models agree Avg diff: 4.4°C

Where are air quality stations near Sudbury?

East Dedham

26.0 km 12.4°C 68.0% RH PM2.5: 1.3 µg/m³ PM10: 2.2 µg/m³

What cities are near Sudbury?

5 Framingham Center 21 Acton 5 Framingham 18 Marlborough 9 Natick 9 Wellesley 12 Ashland 12 Waltham 8 Needham 13 Watertown

Get AQI alerts for Sudbury

Notify me when air quality reaches:

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 2026-10-20T22:44 UTC.