1. North America
  2. Canada
  3. Ontario
  4. Toronto Division
  6. Toronto
  7. Old Toronto
  8. Toronto Downtown

Toronto Downtown

Old Toronto, Toronto

2025-12-22 13:00
AQHI (Canada)
Low
Pollutants
NO2
μg/m³
49.3
O3
μg/m³
23.6
PM2.5
μg/m³
6
Weather
  • ℃
  • ℉
-2℃
68%
19 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • NO2
  • O3
  • PM2.5
Data Sources
http://www.airnow.gov/

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