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

Toronto Division

Ontario

2026-04-21 13:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
73.9
PM2.5
μg/m³
4.7
NO2
μg/m³
15.4
SO2
μg/m³
2.9
CO
μg/m³
0
Weather
  • ℃
  • ℉
5℃
55%
8 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • O3
  • PM2.5
  • NO2
  • SO2
  • CO
Places included
Toronto
AQI 31
Data Sources
http://www.airnow.gov/

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Cities Nearby

Toronto
AQI 31
Markham
AQI 7
Pickering
AQI 7
Richmond Hill
AQI 9
Vaughan
AQI 9
Ajax
AQI 7
Mississauga
AQI 32
Whitchurch-Stouffville
AQI 14
Brampton
AQI 34
Oakville
AQI 31
Aurora
AQI 14