Air Quality in St. Andrew-Windfields, Canada

Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
77
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
125 10am
125
105
77 1pm
91
100
107 4pm
112
116
119 7pm
120
93
94 10pm
96
104
104 1am
124
125
105 4am
98
98
98 7am
98
95
Station readings
119
126
114
CAMS model adj +71
54
54
34
54
54
54
54
54
54
54
54
25
25
27
34
34
54
54
34
27
27
27
27
24
AD 728×90

Air Quality Index Trend

38h · 1 stn

St. Andrew-Windfields's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in St. Andrew-Windfields is 1.6× the WHO 24-hour guideline of 15 µg/m³.

42.7%
Humidity
37.6 km/h
Wind ESE
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
77
24.47 µg/m³
PM10
65
84.3 µg/m³
050100150200300500

What is the weather forecast for St. Andrew-Windfields?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.524.47 µg/m³ ×1.6 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
24.47
Median
29.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 44.22 · Bias: +19.8

What is the 7-day forecast for St. Andrew-Windfields?

07-21
28.5° 22.0°
1.69 mm
07-22
25.4° 20.9°
0.25 mm
07-23
22.9° 15.4°
07-24
24.9° 18.8°
07-25
24.8° 16.1°
0.5 mm
07-26
28.3° 19.9°
1.13 mm
07-27
30.1° 20.3°
0.13 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near St. Andrew-Windfields?

30
Toronto North, Ontario, Canada
4.2 km PM2.5: 7.2 µg/m³
18
Toronto North, Ontario, Canada
4.2 km PM2.5: 4.3 µg/m³
57
NASA GSFC Rutgers Calib. N20
8.2 km PM2.5: 15.0 µg/m³
39
Toronto East, Ontario, Canada
8.5 km PM2.5: 9.4 µg/m³
33
Toronto East, Ontario, Canada
8.5 km PM2.5: 7.9 µg/m³
26
Toronto East, Ontario, Canada
8.5 km PM2.5: 6.2 µg/m³
50
Toronto Downtown, Ontario, Canada
10.4 km PM2.5: 12.0 µg/m³
38
Toronto
11.5 km PM2.5: 9.1 µg/m³
32
Toronto
11.5 km PM2.5: 7.7 µg/m³
114
Wood Glen
11.6 km PM2.5: 40.8 µg/m³ PM10: 54.7 µg/m³

What cities are near St. Andrew-Windfields?

68 Willowdale 71 Bayview Village 66 Willowdale East 82 Henry Farm 95 Banbury-Don Mills 78 Don Valley Village 64 Lansing-Westgate 95 Parkwoods-Donalda 61 Willowdale West 73 Bedford Park-Nortown
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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 2026-07-21T17:20 UTC.