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St. Catharines
Saint Catharines, Niagara Regional Municipality
2024-09-28 13:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5
O3
μg/m³
38.6
NO2
μg/m³
4.1
Weather
℃
℃
℉
20℃
85%
37 kph
2 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
O3
NO2
Data Sources
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