Back to today’s briefing

Story perspectives

Japan Issues First Kokushobi Alert as 40°C Heat Rages

7/22/2026

40 4 Full Breakdown

Summary

Story summary

Japan issued its first kokushobi warning on July 21 2026 as Tajimi hit 40.3 °C, Gujo 40.0 °C and Toyota 40.1 °C.
Heat-stroke alerts covered over 40 prefectures, while three deaths were confirmed in Niigata and Kanagawa and Tokyo’s fire department treated a yearly-high 287 patients.
Governor Yuriko Koike expanded the Cool Biz program, urging shorts, polo shirts and trainers to cut air-conditioning use.

1 of 1

Story summary

Japan issued its first kokushobi warning on July 21 2026 as Tajimi hit 40.3 °C, Gujo 40.0 °C and Toyota 40.1 °C.
Heat-stroke alerts covered over 40 prefectures, while three deaths were confirmed in Niigata and Kanagawa and Tokyo’s fire department treated a yearly-high 287 patients.
Governor Yuriko Koike expanded the Cool Biz program, urging shorts, polo shirts and trainers to cut air-conditioning use.