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  4. Ottawa Division

Ottawa Division

Ontario

2025-03-16 19:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
72.9
PM2.5
μg/m³
4.1
NO2
μg/m³
7.9
Weather
  • ℃
  • ℉
16℃
81%
28 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • PM2.5
  • NO2
Places included
Ottawa
AQI 23
Data Sources
http://www.airqualityontario.com/http://www.airnow.gov/

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