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  4. Toronto Division
  6. Toronto

Toronto

Toronto, Toronto Division

2026-01-21 04:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
7.7
O3
μg/m³
55.7
NO2
μg/m³
28.8
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-10℃
66%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
East York
AQI 45
Etobicoke
AQI 34
North York
AQI 52
Old Toronto
AQI 45
Scarborough
AQI 34
York
AQI 45
Data Sources
http://www.airnow.gov/

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Cities Nearby

Toronto
AQI 43
Mississauga
AQI 34
Markham
AQI 34
Vaughan
AQI 52
Richmond Hill
AQI 52
Pickering
AQI 34
Brampton
AQI 28
Oakville
AQI 30
Ajax
AQI 34
Whitchurch-Stouffville
AQI 50
Aurora
AQI 50