How to interpret Environment Canada's Air Quality Health Index ratings

Even without wildfires, the index can be a useful tool to monitor air pollution in your community on any given day.Environment Canada’s air quality index is posted on its websiteA rating of 1-3 is low risk, 4-5 is moderate risk, 7-10 is high risk and over 10 is very high risk.

The risk designations can change regularly in the same community, Environment Canada says, so it’s important to keep checking the air quality forecast.Environment Canada, in consultation with Health Canada, has different recommendations for people especially at risk of suffering health problems when exposed to poor air quality versus the general population.

“At risk” people include those with respiratory issues such as asthma, chronic obstructive pulmonary disease , pneumonia, as well those with as heart disease. Infants, young children, pregnant people and elderly people are also considered at higher risk.“Low risk” means everyone can safely be outdoors.Sign up for the CHEK Now daily email newsletter to get breaking news and the day's top stories sent to your email.

“High risk” means those at risk should reduce or reschedule strenuous activities outdoors. Children and seniors should “take it easy.” The general population should consider reducing or rescheduling strenuous activities if they start coughing or their throats become irritated. “Very high risk” means everyone should reduce or reschedule strenuous activities. People at risk should avoid outdoor activities altogether.Canadian Press health coverage receives support through a partnership with the Canadian Medical Association. CP is solely responsible for this content.

Source: Healthcare Press (healthcarepress.net)

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