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  4. York Regional Municipality
  5. Markham

Markham

York Regional Municipality, Ontario

2024-11-25 00:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5
NO2
μg/m³
35.9
O3
μg/m³
12.9
CO
μg/m³
350
Weather
  • ℃
  • ℉
2℃
85%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • NO2
  • O3
  • CO
Data Sources
http://www.airqualityontario.com/

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