Canadian Council of Ministers
of the Environment

Le Conseil canadien des ministres
de l'environnement

What's New

Canadian Ambient Air Quality Standards for Ozone

July 2, 2019

Environment Ministers have announced new Canadian Ambient Air Quality Standards (CAAQS) for Ozone.

The new CAAQS for Ozone will improve air quality and protect the health of Canadians and the environment, reducing health effects such as premature death, breathing problems and cardiovascular effects. The standards for ozone were developed through a government-led collaborative process that included industry associations, non-governmental organizations and Indigenous organizations.

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