Ground Freight
Canadian wildfire smoke chokes Toronto and threatens US cities
Toronto's air quality was the worst in the world on Wednesday, as smoke from wildfires in?northwestern?Ontario smoldered the skies and spread to the northeastern United States. Residents were warned about their health and asked to limit outdoor activity. Environment Canada reported that Toronto's Air Quality Health Index (AQHI), which is classified as "very risky," was 10+. Forecasts indicated that hazardous conditions might persist until Thursday night. New York City started feeling the effects a few days before the World Cup Final in New Jersey on Sunday. Local authorities issued a warning when air quality reached a dangerous level. They urged...