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  4. Toronto Division

Toronto Division

Ontario

2025-12-14 01:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
47.7
NO2
μg/m³
24.6
PM2.5
μg/m³
5.7
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-7℃
65%
30 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Toronto
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Toronto
AQI 15
Markham
AQI 8
Pickering
AQI 8
Richmond Hill
AQI 8
Vaughan
AQI 8
Ajax
AQI 8
Mississauga
AQI 22
Whitchurch-Stouffville
AQI 6
Brampton
AQI 23
Oakville
AQI 21
Aurora
AQI 6