Air Quality in Toronto, Canada
Windy
15.6°C · 89.5% humidity
15.6°
Feels 15.6°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
10 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
11
5am
11
19
20
8am
18
17
15
11am
14
14
13
2pm
13
13
12
5pm
12
12
12
8pm
21
21
14
11pm
12
12
12
2am
12
12
Station readings
3
4
19
CAMS model
adj -13
24
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
34
34
27
25
25
25
25
25
Air Quality Index Trend
47h · 5 stnToronto's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
89.5%
Humidity
42.0 km/h
Wind NNW
1012.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.78 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Toronto?
Temperature & Precipitation
PM2.5 Trend
47h · 5 stationsPM2.54.78 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
Station readings (10 stations within 25 km)
4.78
Median
3.98
Average
0.86
Low
7.2
High
PM2.5 µg/m³ · Model: 5.9 · Bias: +1.1
What is the 7-day forecast for Toronto?
09-05
24.4° 14.8°
09-06
24.6° 16.3°
1.31 mm
09-07
22.2° 15.7°
09-08
22.7° 15.6°
3.5 mm
09-09
25.1° 13.8°
1.19 mm
09-10
24.3° 14.0°
2.0 mm
09-11
24.6° 13.4°
0.38 mm
Both models agree
Avg diff: 3.8°C
Where are air quality stations near Toronto?
34
Toronto Downtown, Ontario, Canada
25
Toronto
21
Toronto
–
canada-toronto-richmond-street-west
21
Toronto North, Ontario, Canada
20
Toronto North, Ontario, Canada
4
Wood Glen
20
NASA GSFC Rutgers Calib. N20
21
Toronto East, Ontario, Canada
17
Toronto East, Ontario, Canada
What cities are near Toronto?
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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 2026-09-05T12:10 UTC.