Air Quality in Whitchurch-Stouffville, Canada

Windy
14.2°C · 93.8% humidity
14.2°
Feels 14.2°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
21 5am
21
19
17 8am
19
19
20 11am
20
20
19 2pm
19
19
19 5pm
19
19
19 8pm
20
20
19 11pm
19
19
19 2am
19
19
Station readings
21
21
21
16
CAMS model adj -5
24
24
24
24
24
24
25
25
25
24
24
24
24
24
24
24
25
25
24
24
24
24
24
24
AD 728×90

Air Quality Index Trend

48h · 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.

93.8%
Humidity
46.9 km/h
Wind NNW
1013.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
17
3.95 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Whitchurch-Stouffville?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.53.95 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (2 stations within 25 km)
3.95
Median
3.95
Average
2.9
Low
5.0
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.9

What is the 7-day forecast for Whitchurch-Stouffville?

09-05
22.3° 11.7°
0.06 mm
09-06
23.8° 13.1°
2.0 mm
09-07
22.2° 13.2°
09-08
22.1° 13.4°
1.31 mm
09-09
25.1° 10.7°
0.31 mm
09-10
21.8° 12.0°
3.69 mm
09-11
23.2° 9.4°
0.31 mm
Both models agree Avg diff: 3.5°C

Where are air quality stations near Whitchurch-Stouffville?

21
Newmarket, Ontario, Canada
14.2 km PM2.5: 5.0 µg/m³
25
Newmarket, Ontario, Canada
14.2 km PM2.5: 6.0 µg/m³
12
Newmarket, Ontario, Canada
14.2 km PM2.5: 2.9 µg/m³
18
Newmarket, Ontario, Canada
14.2 km PM2.5: 4.3 µg/m³
18
Newmarket, Ontario, Canada
14.2 km PM2.5: 4.3 µg/m³
20
Toronto North, Ontario, Canada
25.6 km PM2.5: 4.8 µg/m³
21
Toronto North, Ontario, Canada
25.6 km PM2.5: 5.0 µg/m³
30
Toronto North, Ontario, Canada
25.6 km PM2.5: 7.2 µg/m³
21
NASA GSFC Rutgers Calib. N20
26.4 km PM2.5: 5.1 µg/m³

What cities are near Whitchurch-Stouffville?

18 Stouffville 17 Aurora 17 Newmarket 17 East Gwillimbury 18 Markham 20 Richmond Hill 12 Pickering 8 Uxbridge 18 Milliken 19 Steeles
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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 2026-09-05T12:13 UTC.