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

Toronto Downtown

Old Toronto, Toronto

2025-12-06 06:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
22
O3
μg/m³
55.7
NO2
μg/m³
20.5
Weather
  • ℃
  • ℉
0℃
77%
22 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
Data Sources
http://www.airnow.gov/

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