Toronto found itself in an unusual position on Friday night – ranking as the fourth most polluted major city globally according to Swiss air quality tracker IQAir. Only Detroit, Delhi, and Montreal recorded worse air quality at that time. The city’s Air Quality Health Index (AQHI) measured 7 as of 9 p.m. Friday, putting it in the “high risk” category on Environment Canada’s scale. A value between 4 to 6 is considered moderate risk, while 7 to 10 indicates high risk to health. “Poor air quality and reduced visibility are expected to persist through the weekend,” Environment Canada warned in … Continue reading Toronto Now 4th Most Polluted City Globally as Canadian Wildfires Force 32,000 Evacuations