Q and A with the experts: What Ontario’s wildfire smoke means for your health

Share Air quality expert explains the health risks of wildfire smoke and how to stay safe. As drifting smoke from wildfires in northern Ontario turns skies in southern Ontario and beyond an eerie, orange colour in the middle of a heatwave, an air quality expert at the University of Waterloo is renewing warnings for residents to take some simple steps to help protect themselves from potential harm to their health. Dr.