On Saturday afternoon, Minneapolis ranks alongside Doha, Qatar; Lahore, Pakistan; Dubai, United Arab Emirates; and Kampala, Uganda among the cities worldwide with the unhealthiest air.
How long will Canada burn? Smoke will choke NYC and the east coast throughout summer dailymail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailymail.co.uk Daily Mail and Mail on Sunday newspapers.
Smoke from Canada s raging wildfires have drifted south leaving dozens of states in the north east of the country under a thick smog. Warnings for unhealthy air have now been issued.