Canadian wildfires send smoke south! Smoke haze blanketed the cities in Montreal, Chicago, Detroit, Toronto June 28 2023, 0 Comments

Canadian wildfires are continuing to send heavy clouds of smoke south, from Northern Ontario and Quebec, through both provinces and into the U.S.

The thick haze has triggered air quality warnings for Chicago, Detroit and Toronto.

This week, Chicago is experiencing the worst air quality of any other city in the world, according to At its peak, the air quality index on June 27 was about 187 (a healthy air quality index is one below 50).

The visible distance is 2.4km in Chicage today.