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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?

Halton Region has its own air monitoring program; the first of its kind by a municipality in Ontario! We measure air quality using stationary and portable air monitors.

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

Sign up for Heat, Smog & Cold Warnings