From Siberia, Russia, where abnormal high temperature conditions have continued to forest fires, the number has increased five times.
British Daily Independent reported on Thursday (local time) that 150,000 hectares were burning in areas where firefighters were unable to move, according to the statistics of the Russian Federation for Aviation and Forestry.
It is about one tenth of South Korea's area (about 134,000 hectares).
The area that suffered the most was the Republic of Sakha (Yakutia) in the Far East of Russia, where Verkhoyansk is located, with 929,000 hectares burning.
Verkhoyansk is the region's highest temperature ever recorded at 38 degrees Celsius.
The European Union's Copernicus Climate Change Service (C3S) also captured forest fires in the region at 72.7 degrees north latitude, estimated to be the northernmost in recent years on the 25th.
It has been pointed out that the recent increase in wildfires in Siberia is related to abnormal high temperatures caused by climate change.
"The North Pole is figuratively and literally burning," said Jonathan Overpeg, professor of environmental science at Michigan University.
In the picture taken by C3S, Siberia was all red with skyrocketing temperatures.
According to C3S, last May was the hottest May in the world, especially in Siberia, which was about 10 degrees higher than normal.
The NASA's Goddard Space Research Institute (GISS) said, "This phenomenon is so unusual that it has not been seen in the past 100 years."
"It's not a distant future," said NASA visit researcher Amber Soya.