online by most provincial and territorial governments.on the WeatherCan app, including with personal notifications when the AQHI number changes.During these events, a rapid change in the AQHI’s forecast values will occur and a special air quality advisory may be issued. The AQHI is then calculated and reported hourly using only the PM 2.5 to help people in Canada better respond to wildfire smoke events. The AQHI is presented on a scale of 1 to 10+ with 4 health risk categories:ĭuring smoky conditions the fine particulate matter (PM 2.5) concentrations can override the health risks of the combined 3 pollutants. These pollutants are considered the best indicators of the health risks associated with the mix of outdoor air pollutants in Canadian communities. The AQHI is calculated using the concentrations of 3 air pollutants that are harmful to health: the health risks from local air pollution.The air quality health index (AQHI) tells you about: Air quality health index and wildfire smoke FireWork is an air quality prediction system that indicates how smoke from wildfires is expected to move across North America over the next 72 hours. To help Canadians be better prepared, wildfire smoke forecast maps are available through the Government of Canada’s FireWork system. This means smoke from other parts of the world can impact communities in Canada. Wildfire smoke may be carried hundreds or thousands of kilometres from the fire zone. As wildfires burn through forests and grasslands, they produce dense smoke. Wildfire season typically runs from early April to late October. This is expected to continue as Canada is warming much faster than the rest of the world, providing ideal conditions for more frequent and longer wildfires. Smoke from wildfires in forests and grasslands can be a major source of air pollution for Canadians.Ĭommunities across Canada regularly experience wildfire smoke events.
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