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Toronto
Toronto, Toronto Division
2025-03-18 14:00
CAQI (Europe)
Very Low
Pollutants
O3
μg/m³
51.4
NO2
μg/m³
20.6
PM2.5
μg/m³
4.8
CO
μg/m³
137.5
SO2
μg/m³
0.4
Weather
℃
℃
℉
5℃
63%
15 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
O3
NO2
PM2.5
CO
SO2
Places included
East York
AQI 7
Etobicoke
AQI 24
North York
AQI 23
Old Toronto
AQI 19
Scarborough
AQI 22
York
AQI 7
Data Sources
http://www.airnow.gov/
http://www.airqualityontario.com/
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Cities Nearby
Toronto
AQI 22
Mississauga
AQI 22
Markham
AQI 7
Vaughan
AQI 9
Richmond Hill
AQI 9
Pickering
AQI 7
Brampton
AQI 21
Oakville
AQI 23
Ajax
AQI 7
Whitchurch-Stouffville
AQI 10
Aurora
AQI 10
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