Sudbury: Hourly Sulphur Dioxide SO2 Concentrations
From February 10, 2025 EST to February 12, 2025 EST.
Notes:
- Ontario 1-hour Ambient Air Quality Criterion (AAQC) for SO2 = 40 ppb.
- The pollutant concentrations on this web page are based on automatically polled data and have not undergone final verification.
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