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St. Catharines

Saint Catharines, Niagara Regional Municipality

2025-01-03 10:00
AQI (UK)
Low
Pollutants
O3
μg/m³
49.3
PM2.5
μg/m³
4
NO2
μg/m³
3.3
Weather
  • ℃
  • ℉
-3℃
77%
17 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • O3
  • PM2.5
  • NO2
Data Sources
http://www.airqualityontario.com/

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