Personnel from Spokane County Fire District 3 and the state Department of Natural Resources were working to contain the fires on Monday, while a record-breaking heat wave threatened to maintain ample supplies of dry air and fuel.

On Tuesday, August 4, paratroopers of Chukchi and Federal Aviation Protection stopped the spread of a large fire in the Bilibin district.

A haze visible through Southcentral Alaska on Wednesday was caused by smoke from fires burning in Siberia that began flowing into Alaska in early July.

Gallery | The forest fires have covered an area larger than Greece and are emitting black smog that harms nearby populations.

All forest fires have been extinguished in Chukotka, where thousands of hectares of natural areas have been blazing before, according to the region's Department of Natural Resources and Ecology. RIA Novosti, 20.07.2020

Photos of Yugorsk and other cities showed residential buildings fuzzy under a blanket of white smog.

Russia's Aerial Forest Protection Service is trying to suppress 136 fires over 43,000 hectares. Firefighters are using explosives to contain the fires and seeding clouds with silver iodide to encourage rain.

Smoke from wildfires in Siberia drifted to Alaska last year as well, according to the National Weather Service, but Alaska already had hazy skies from local wildfires.

The blaze destroyed large swathes of forest this week.

Worrying videos and pictures show how the pristine polar region of northern Yakutia is ablaze.

Most of the blazes are in a region that saw possibly the hottest-ever temperature above the Arctic Circle this month.

Much of Siberia this year has had unseasonably high temperatures, leading to sizable wildfires.

The temperature in Verkhoyansk hit 38 degrees Celsius on Saturday, according to Pogoda i Klimat, a website that compiles Russian meteorological data.

Several wildfires are raging around the country and the state weather forecaster, SMHI, has issued forest fire warnings for nearly all of Sweden.

A prolonged heatwave in Siberia is “undoubtedly alarming”, climate scientists have said. The freak temperatures have been linked to wildfires, a huge oil spill and a plague of tree-eating moths.

Wildfires in Russia have burned across a combined area the size of Greece so far in 2020, surpassing official estimates threefold. Experts warn that this year’s blazes could become the most destructive in history.

The wildfires can burrow into rich organic material, such as the vast peatlands that ring the Arctic, and smolder under the snowpack throughout the frigid winter.

Abnormally hot May weather resembles midsummer with air temperatures as high as +35C.

Fairbanks' May 10 temperature was two degrees below the daily record, while snow melt from an above-normal year is flooding Interior rivers.

Ketchikan became the first city in Alaska to hit 80 degrees this year on Saturday, as three other cities in Southeast Alaska also set temperature records.