St. Catharines: Hourly Ozone Readings

Pollutant data for this station for a three-day period.
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2025-02-09 35 34 32 28 23 29 35 32 28 30 32 34 38 40 40 40 40 39 40 40 39 38 38 37
2025-02-10 37 38 38 39 39 39 36 34 35 37 40 41 42 44 45 43 41 41 39 38 34 35 37
2025-02-11 35 33 31 29 30 29 24 23 23 24 29 36 41 43
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