What is the air quality in Canton today?

The current Air Quality Index (AQI) in Canton is 21 (Good). PM2.5 concentration is 5.01 µg/m³.

What is the temperature in Canton right now?

The current temperature in Canton is 20.2°C (feels like 20.2°C). Humidity is 74.8% and wind speed is 27.4 km/h.

Is it safe to go outside in Canton?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Canton, United States

Cloudy

20.2°C · 74.8% humidity

20.2°

Feels 20.2°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

54 4am

21 7am

20 10am

23 1pm

24 4pm

25 7pm

27 10pm

25 1am

Air Quality Index Trend

46h · 3 stn

View full history →

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

74.8%

Humidity

27.4 km/h

Wind WSW

1015.4 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.01 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Canton?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations

PM2.55.01 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (2 stations within 25 km)

5.01

Median

4.45

Average

3.1

Low

5.8

High

PM2.5 µg/m³ · Model: 7.0 · Bias: +2.0

What is the 7-day forecast for Canton?

06-09

34.9° 12.7°

0.38 mm

06-10

23.9° 13.5°

1.5 mm

06-11

25.6° 9.6°

06-12

21.6° 14.4°

1.06 mm

06-13

29.9° 15.6°

0.38 mm

06-14

23.4° 9.1°

5.75 mm

06-15

27.5° 12.3°

0.06 mm

Both models agree Avg diff: 5.9°C

Where are air quality stations near Canton?

Milton Blue Hill Observatory

6.4 km PM2.5: 5.8 µg/m³

Brockton

15.0 km PM2.5: 0.5 µg/m³

Boston Roxbury

19.7 km PM2.5: 5.0 µg/m³

Nubian Square - DEP Station

19.7 km PM2.5: 5.2 µg/m³

Boston

23.3 km PM2.5: 4.1 µg/m³

Boston

23.3 km PM2.5: 1.2 µg/m³

What cities are near Canton?

24 Stoughton 19 Norwood 22 Randolph 16 Dedham 15 Hyde Park 16 Milton 19 Braintree 24 Brockton 13 West Roxbury 15 Mattapan

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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 2026-06-09T11:07 UTC.