環境省 熱中症予防情報サイト

Heat Stroke Alert

Alert Map

  For Oct 27 (Updated at Oct 27 5:00)
Map of Japan Heat Stroke Alert Map

This year's Heat Stroke Alert operation
ended on October 27, 2021.

See the JMA website.
Hokkaido Region
Soya
Kamikawa Rumoi
Ishikari Sorachi Shiribeshi
Abashiri Kitami Mombetsu
Kushiro Nemuro
Tokachi
Iburi Hidaka
Oshima Hiyama
Tohoku Region
Aomori
Akita
Iwate
Miyagi
Yamagata
Fukushima
Kanto Region
Ibaraki
Tochigi
Gunma
Saitama
Tokyo
Chiba
Kanagawa
Koshin Region
Nagano
Yamanashi
Tokai Region
Shizuoka
Aichi
Gifu
Mie
Hokuriku Region
Niigata
Toyama
Ishikawa
Fukui
Kinki Region
Shiga
Kyoto
Osaka
Hyogo
Nara
Wakayama
Chugoku Region
Okayama
Hiroshima
Shimane
Tottori
Yamaguchi
Shikoku Region
Tokushima
Kagawa
Ehime
Kochi
Kyushu Region
Fukuoka
Oita
Nagasaki
Saga
Kumamoto
Miyazaki
Kagoshima(Ex. Amami)
Kagoshima(Amami)
Okinawa Region
Okinawa(Okinawa)
Okinawa(Daitojima)
Okinawa(Miyakojima)
Okinawa(Yaeyama)

About Heat Stroke Alert

"Heat Stroke Alert" is information that calls attention to dangerous heat and encourages people to take actions to prevent heat illness. The Heat Stroke Alert is issued by the Ministry of the Environment (MoE) and the Japan Meteorological Agency (JMA) when the risk of heat illness is predicted to be extremely high based on the WBGT heat stress index forecast.

The outline of the Heat Stroke Alert is as follows:

When the Heat Stroke Alert is issued: