Air Quality in Weston, Canada
Clear
28.5°C · 42.7% humidity
28.5°
Feels 30.0°
73
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
121
10am
125
82
73
1pm
83
91
96
4pm
100
122
124
7pm
106
97
98
10pm
101
108
128
1am
109
102
102
4am
100
102
102
7am
102
99
Station readings
121
125
82
CAMS model
adj +75
34
34
34
34
34
34
34
34
54
54
34
25
25
27
34
54
34
27
27
25
27
27
27
24
Air Quality Index Trend
47h · 2 stnWeston'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 Weston is 1.5× 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▲
22.65 µg/m³
PM10
84.3 µg/m³
050100150200300500
What is the weather forecast for Weston?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.522.65 µg/m³
×1.5 WHO
Moderate
PM1084.3 µg/m³
Moderate
UV INDEX12.9
Extreme
Station readings (3 stations within 25 km)
22.65
Median
30.11
Average
15.0
Low
43.23
High
PM2.5 µg/m³ · Model: 41.58 · Bias: +18.9
What is the 7-day forecast for Weston?
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: 2.9°C
Where are air quality stations near Weston?
15
Toronto West, Ontario, Canada
57
NASA GSFC Rutgers Calib. N20
50
Toronto Downtown, Ontario, Canada
18
Toronto North, Ontario, Canada
30
Toronto North, Ontario, Canada
12
canada-toronto-richmond-street-west
38
Toronto
32
Toronto
114
Wood Glen
33
Toronto East, Ontario, Canada
What cities are near Weston?
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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 2026-07-21T17:17 UTC.