What is the air quality in Stouffville today?

The current Air Quality Index (AQI) in Stouffville is 32 (Good). PM2.5 concentration is 7.78 µg/m³.

What is the temperature in Stouffville right now?

The current temperature in Stouffville is 12.4°C (feels like 12.4°C). Humidity is 68.9% and wind speed is 83.3 km/h.

Is it safe to go outside in Stouffville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Stouffville, Canada

Windy

12.4°C · 68.9% humidity

12.4°

Feels 12.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

25 7pm

32 10pm

27 1am

25 4am

24 7am

24 10am

24 1pm

24 4pm

Air Quality Index Trend

48h · 12 stn

View full history →

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

68.9%

Humidity

83.3 km/h

Wind NW

1017.2 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.78 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Stouffville?

Temperature & Precipitation

PM2.5 Trend

48h · 12 stations

PM2.57.78 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (9 stations within 25 km)

7.78

Median

7.73

Average

7.2

Low

8.2

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -1.5

What is the 7-day forecast for Stouffville?

05-30

17.6° 6.9°

0.06 mm

05-31

25.4° 6.3°

06-01

28.7° 14.3°

06-02

19.9° 8.3°

0.25 mm

06-03

22.9° 18.3°

0.06 mm

06-04

21.2° 10.7°

06-05

21.5° 8.2°

0.31 mm

Both models agree Avg diff: 5.2°C

Where are air quality stations near Stouffville?

Newmarket, Ontario, Canada

20.6 km PM2.5: 10.1 µg/m³

Newmarket, Ontario, Canada

20.6 km PM2.5: 10.8 µg/m³

Toronto East, Ontario, Canada

24.4 km PM2.5: 6.2 µg/m³

Toronto East, Ontario, Canada

24.4 km PM2.5: 4.1 µg/m³

Toronto East, Ontario, Canada

24.4 km PM2.5: 4.3 µg/m³

Toronto North, Ontario, Canada

24.6 km PM2.5: 3.1 µg/m³

Toronto North, Ontario, Canada

24.6 km PM2.5: 3.8 µg/m³

NASA GSFC Rutgers Calib. N20

26.4 km PM2.5: 5.8 µg/m³

What cities are near Stouffville?

34 Whitchurch-Stouffville 35 Markham 32 Pickering 34 Milliken 33 Malvern 34 Aurora 33 Agincourt North 35 Uxbridge 34 Steeles 33 Richmond Hill

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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 2026-05-30T02:59 UTC.