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Everyone’s talking about air quality in Ontario and Canada right now — how does the rating system work and what triggers warnings?

Summary by The Record

The Air Quality Health Index was first created to show possible health and environmental impacts to vegetation, visibility and human and animal health.

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Everyone’s talking about air quality in Ontario and Canada right now — how does the rating system work and what triggers warnings?

The Air Quality Health Index was first created to show possible health and environmental impacts to vegetation, visibility and human and animal health.

7 days ago·Waterloo, Canada

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