Hamilton Downtown: Hourly Sulphur Dioxide SO2 Concentrations

From June 24, 2016 EDT to June 26, 2016 EDT.


  • Ontario 1-hour Ambient Air Quality Criterion (AAQC) for SO2 = 250 ppb.
  • The pollutant concentrations on this web page are based on automatically polled data and have not undergone final verification.

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