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Air pollution and wildfire smoke has been linked numerous times to a myriad of brain impacts, from lowered IQ scores to dementia, experts say.

Wildfire smoke has led many to start poring over charts and numbers to get a sense of the air quality in their area. But what exactly do these indexes measure, and how should they be interpreted? Here's a quick primer.

With hundreds of fires burning across the country, Canadians in major cities are seeing and breathing the effects of wildfire smoke.

Increased prevalence of wildfires has some scientists warning of the short- and long-term effects to our health

Some scientists warn that repeated exposure to the air pollution wildfires produce could lead to a higher incidence of illnesses such as cancer and dementia