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  4. Toronto Division
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Toronto

Toronto Division

2026-04-21 18:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
9.3
O3
μg/m³
80.4
NO2
μg/m³
23.6
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
9℃
54%
20 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Toronto
AQI 51
Data Sources
http://www.airnow.gov/

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