Air quality in St. Catharines
22
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
3.1 µg/m³
PM10
3.1 µg/m³
NO₂
11.4 µg/m³
O₃
50 µg/m³
SO₂
1.1 µg/m³
CO
178 µg/m³