The Japanese government has relaxed rules for face masks and has received warnings about rising outside temperatures (Image: Getty Images)

Japan is working on the heat on an unprecedented scale.

Temperatures in the eastern part of the country reach 35°C on the seventh day, and are expected to reach 40°C in the western city of Nagoya.

These are the highest temperatures recorded in the country since recording began in 1875 and they are urging the government to warn.

They warned that power supplies remained tight as energy prices rose and called for the restart of some reactors that had been shut down since the 2011 Fukushima accident.

He also advised residents to relax mask-wearing rules, which is a controversial issue for residents who have been wearing masks before the pandemic.

“The risk of heat stroke is increasing, so if you don’t talk to others, please take off your mask outside,” Deputy Prime Minister Seiji Kihara told a news conference.

Residents were also told to reduce electricity if possible, and manufacturers reduced working hours.

To save energy, some commuter train stations have been closed and amusement parks near Yokohama have also been closed.

On Thursday, the power grid for Tokyo’s 37 million people reached usage levels that threatened a power outage, but the situation calmed down.

TOKYO, JAPAN-JUNE 27: Young women are using portable fans to cool down in the streets of Tokyo's popular Shibuya district on June 27, 2022 in Tokyo, Japan. The Japanese capital has been affected by heat waves of more than 30 degrees Celsius in recent days. (Photo by David Murray/Anadolu Agency via Getty Images)

The Japanese wore face masks before the pandemic (Image: Getty Images)

On July 1, 2022, pedestrians walk in the cold mist of Tokyo's Ginza Ward in Tokyo's Ginza Ward. Cautions against scorching temperatures. Photographer: Kiyoshi Ota/Bloomberg via Getty Images

Temperatures in western Nagoya were predicted to reach 40C (Image: Bloomberg via Getty Images).

TOKYO, JAPAN-JUNE 30: People walk along the street leading to Sensoji Temple in Tokyo's famous Asakusa district on June 30, 2022 in Tokyo, Japan in the scorching afternoon sun. Japan's capital has recently been hit by a heat wave in which temperatures exceed 35 degrees Celsius and parts of Tokyo approach 40 degrees Celsius. (Photo by David Murray/Anadolu Agency via Getty Images)

However, temperatures are expected to drop after this weekend (Image: Getty Images).

An official from the Ministry of Economy, Trade and Industry (METI) told reporters on Thursday: Financial resources. That’s why she was nervous.”

This is not the first time that Japan has experienced warmer-than-expected temperatures due to the postponement of several events at the Tokyo Olympics last year.

Next weekend the temperature will drop and it will rain.

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