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  4. Toronto Division
  5. Toronto

Toronto

Toronto Division

2026-04-21 17:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
7.8
O3
μg/m³
88.9
NO2
μg/m³
13.9
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
12℃
46%
19 kph
5 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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AQI 44
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