Overview

• Five suspected heatstroke deaths have been reported, including four elderly women on June 17 in Kanagawa, Shizuoka, Saitama and Gunma and a 90-year-old man on June 19 in Gifu.
• More than 300 people have sought emergency treatment for heat-related illnesses with 226 treated nationwide on June 17–18 and 100 hospitalized in Tokyo by the evening of June 19.
• Observation stations across Japan have recorded three consecutive days of highs at or above 35°C, peaking at 38.2°C in Kofu on June 17.
• The Japan Meteorological Agency has issued heatstroke alerts for multiple prefectures and warned that above-average temperatures will persist into the weekend.
• Elderly individuals represent over 80% of heatstroke fatalities, prompting authorities to urge older residents to stay hydrated and avoid outdoor activities during peak heat.