1. North America
  2. Canada
  3. Ontario
  4. Toronto Division

Toronto Division

Ontario

2026-01-20 19:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
7.8
O3
μg/m³
66.4
NO2
μg/m³
16.4
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-10℃
58%
41 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Toronto
AQI 44
Data Sources
http://www.airnow.gov/

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Cities Nearby

Toronto
AQI 44
Markham
AQI 23
Pickering
AQI 23
Richmond Hill
AQI 23
Vaughan
AQI 23
Ajax
AQI 23
Mississauga
AQI 33
Whitchurch-Stouffville
AQI 17
Brampton
AQI 17
Oakville
AQI 35
Aurora
AQI 17