Air Quality in Toronto, Canada

Windy
23.0°C · 32.5% humidity
23.0°
Feels 23.0°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
45 11pm
51
50
53 2am
53
33
33 5am
26
26
24 8am
24
24
24 11am
26
26
26 2pm
26
26
26 5pm
26
26
24 8pm
26
26
Station readings
45
51
50
CAMS model adj -1
54
54
54
54
54
34
34
27
27
25
25
25
25
27
27
27
27
27
27
27
27
25
27
27
AD 728×90

Air Quality Index Trend

47h · 6 stn

Toronto's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

32.5%
Humidity
51.9 km/h
Wind NNW
1014.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
53
12.94 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Toronto?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations
PM2.512.94 µg/m³ ✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (8 stations within 25 km)
12.94
Median
12.07
Average
8.2
Low
17.06
High
PM2.5 µg/m³ · Model: 19.2 · Bias: +6.3

What is the 7-day forecast for Toronto?

08-03
26.7° 17.9°
2.62 mm
08-04
28.0° 19.1°
0.5 mm
08-05
35.2° 14.7°
08-06
28.0° 19.2°
5.31 mm
08-07
30.8° 16.4°
2.5 mm
08-08
35.3° 19.6°
0.38 mm
08-09
38.0° 20.0°
0.31 mm
Both models agree Avg diff: 3.7°C

Where are air quality stations near Toronto?

50
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 12.0 µg/m³
50
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 12.0 µg/m³
50
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 12.0 µg/m³
46
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 11.0 µg/m³
40
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 9.6 µg/m³
59
Toronto Downtown, Ontario, Canada
4.9 km PM2.5: 15.9 µg/m³
31
canada-toronto-richmond-street-west
6.3 km 27.8°C 52.4% RH PM2.5: 7.5 µg/m³ PM10: 8.7 µg/m³
42
Toronto North, Ontario, Canada
8.5 km PM2.5: 10.1 µg/m³
37
Toronto North, Ontario, Canada
8.5 km PM2.5: 8.9 µg/m³
55
Toronto North, Ontario, Canada
8.5 km PM2.5: 14.0 µg/m³

What cities are near Toronto?

53 Mount Pleasant West 53 Mount Pleasant East 52 Lawrence Park South 53 Leaside-Bennington 55 Rosedale-Moore Park 48 Bedford Park-Nortown 49 Englemount-Lawrence 55 Annex 53 Thorncliffe Park 53 Oakwood Village
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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 2026-08-08T06:05 UTC.