Air Quality in Whitchurch-Stouffville, Canada

Windy
21.5°C · 37.0% humidity
21.5°
Feels 21.5°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
56 12am
55
54
57 3am
60
62
64 6am
47
36
8 9am
8
8
11 12pm
11
11
11 3pm
11
9
9 6pm
9
9
9 9pm
8
8
Station readings
56
55
54
54
CAMS model adj -16
66
66
83
83
83
83
84
66
54
25
25
25
27
27
27
27
27
25
25
25
25
25
24
24
AD 728×90

Air Quality Index Trend

33h · 2 stn

Whitchurch-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.

37.0%
Humidity
71.0 km/h
Wind NNW
1014.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
57
15.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

33h · 2 stations
PM2.515.0 µg/m³ ✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
15.0
Median
15.0
Average
13.1
Low
16.9
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -7.7
08-03
23.2° 17.5°
3.62 mm
08-04
25.9° 16.9°
0.56 mm
08-05
33.0° 13.8°
08-06
28.1° 18.1°
7.25 mm
08-07
27.2° 12.8°
3.56 mm
08-08
34.1° 16.9°
0.44 mm
08-09
36.0° 18.7°
1.31 mm
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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 2026-08-08T07:07 UTC.