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Today’s Air Quality


​Learn about the Air Quality Health Index and where to monitor poor air quality in your area.


What colour air day is it today?

Keep track of air quality in your area to help you prepare and protect your family from potential health risks while outdoors.

Find out what colour air day it is in your city!

Air Monitoring Stations in Halton

Air Monitoring Reports

For more information on Air Quality in Ontario, including annual reports visit Air Quality Ontario.

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