PM2.5

Wildfire smoke may increase in toxicity as it travels

By: Noeka Nimmervoll, Staff Writer For BC residents, the end of this summer brings the highest risk of fires of the entire wildfire season, and the health effects of its smoke are becoming clearer. On September 3, Vancouver hosted the worst air quality from all the major cities in the world, due to the smoke from fires near Hope, Whistler, and Cariboo blowing into the city’s air.  Wildfire smoke is a collection of gases, evaporated water, and a wide range of particles, including particles invisible to the naked eye. Of all smoke content, fine particulate matter (PM2.5) causes the most…

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