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Hamilton Downtown: hourly carbon monoxide concentrations
Hamilton Downtown: hourly carbon monoxide CO concentrations
From January 16, 2026 EST to January 18, 2026 EST.
Notes:
Ontario 1-hour Ambient Air Quality Criterion (
AAQC
) for CO = 30 ppm.
The pollutant concentrations on this web page are based on automatically polled data and have not undergone
final verification
.
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