CBC Manitoba: More research needed on wildfire smoke toxicity, scientists say as they warn of pollution ‘time bomb’
July 24, 2025 —
Michael Schindler is a professor with the University of Manitoba’s department of earth sciences, and has previously done research on how pollutants mix with wildfire smoke.
“Contaminants at Flin Flon are mainly lead, zinc, mercury,” Schindler said, adding that selenium is an issue. The province limited consumption of fish at a nearby lake last year due to elevated selenium levels, which were likely a result of mine wastewater over the past century.
Schindler said contaminants that couldn’t normally be inhaled get attached to the finer particles in wildfire smoke, allowing them to get into the lungs.
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