What is the air quality in Sudbury today?

The current Air Quality Index (AQI) in Sudbury is 15 (Good). PM2.5 concentration is 3.72 µg/m³.

What is the temperature in Sudbury right now?

The current temperature in Sudbury is 33.5°C (feels like 37.3°C). Humidity is 45.4% and wind speed is 59.3 km/h.

Is it safe to go outside in Sudbury?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 12.9 (Extreme).

Air Quality in Sudbury, United States

Windy

33.5°C · 45.4% humidity

33.5°

Feels 37.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated

4 10am

15 1pm

8 4pm

5 7pm

5 10pm

4 1am

4 4am

4 7am

Station readings

CAMS model adj -20

Air Quality Index Trend

47h · 1 stn

View full history →

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.

45.4%

Humidity

59.3 km/h

Wind WSW

1013.2 hPa

Pressure

12.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.72 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Sudbury?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station

PM2.53.72 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX12.9

Extreme

What is the 7-day forecast for Sudbury?

09-05

33.5° 13.0°

12.56 mm

09-06

20.4° 17.3°

3.25 mm

09-07

21.6° 13.2°

09-08

19.0° 16.0°

7.44 mm

09-09

27.6° 10.9°

0.38 mm

09-10

24.3° 12.6°

9.38 mm

09-11

29.9° 12.8°

Both models agree Avg diff: 4.9°C

Where are air quality stations near Sudbury?

East Dedham

26.0 km 68.7°C 75.0% RH PM2.5: 0.7 µg/m³ PM10: 1.2 µg/m³

What cities are near Sudbury?

3 Framingham Center 18 Acton 3 Framingham 16 Marlborough 10 Natick 13 Wellesley 12 Ashland 18 Waltham 10 Needham 20 Watertown

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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 2026-09-05T17:11 UTC.