Air pollution is a key contributing factor to the increasing prevalence of asthma, chronic bronchitis, lung cancer, and a host of other diseases. Learn about common air pollutants, and find out how to avoid them and breathe easier.
The best way to protect yourself from the adverse health effects of polluted air is to keep tabs on the Air Quality Index (AQI) in your area. Every day, cities across Canada measure the concentration of ozone in the air, and convert the reading to an AQI number on a scale of 0 to 500.
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