Vast areas of Alaska Greenland and Siberia are literally on fire with Alaska alone burning 1.6 billion acres this year.
Alaska has been suffering a heatwave for weeks with temperatures reaching 92 deg F, (33.5 deg C).
In Siberia, massive fires in remote areas are burning out of control.
Lightning frequently triggers fires in the region but this year they have been worsened by summer temperatures that are higher than average because of climate change.
Plumes of smoke from the fires can be seen from space.
Mark Parrington, a wildfires expert at the Copernicus Atmosphere Monitoring Service (Cams), described them as "unprecedented".
There are hundreds of fires covering mostly uninhabited regions across eastern Russia, northern Scandinavia, Greenland, and Alaska.
But smoke is affecting wider surrounding areas, engulfing some places. Cities in eastern Russia have noted a significant decrease in air quality since the fires started.
The smoke has reportedly reached Russia's Tyumen region in western Siberia, six time zones away from the fires on the east coast.
In June, the fires released an estimated 50 megatonnes of carbon dioxide - the equivalent of Sweden's annual carbon output, according to Cams.
Meanwhile, the hot air that smashed European weather records this week looks set to move toward Greenland and could take the world's second-largest ice sheet close to or below the record low set in 2012, the United Nations said on Friday.
