Air quality in St. Catharines
28
Fair
Air Quality Index
Air quality is acceptable. Extremely sensitive people may experience minor symptoms.
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Pollutants
PM2.5
2.5 µg/m³
PM10
2.8 µg/m³
NO₂
4 µg/m³
O₃
76 µg/m³
SO₂
0.8 µg/m³
CO
283 µg/m³