Facts About Canada

Air Quality Health Index: Revision history

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9 November 2025

  • curprev 18:1918:19, 9 November 2025 SirNash87 talk contribs 8,913 bytes +8,913 Created page with "'''The Air Quality Health Index''' ('''AQHI''') is Canada’s public-health scale that communicates current and forecast health risk from air pollution. It is published by Environment and Climate Change Canada (ECCC) with provinces/territories and health partners. The AQHI runs from '''1 to 10+''', grouped into four risk categories—Low, Moderate, High, and Very High—with activity guidance for the '''general population''' and for '''at-risk''' individuals (e.g., p..."
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