Wildfire smoke from Canada blanketed the Northeast and Upper Midwest regions of the U.S. on Friday, as the majority of blazes raging in the country remained out of control.

New York City has been dealing with a "Code Red" due to the heat and air quality advisories from Canadian wildfire smoke days before the Spain-Argentina World Cup final.

As thick smoke settles in over major cities, Canada recorded the worst air quality in the world.

Authorities issue health warnings after smoke from wildfires in Canada envelops north-eastern US

The Northeast is experiencing unhealthy air quality due to Canadian wildfires as Sunday’s World Cup final in New Jersey approaches.