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May 01, 2026
 

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HEATSTROKE

A rickshaw is seen in the Asakusa district of Tokyo on Sunday. A ¡°special heatstroke warning alert¡± will be issued when unprecedentedly dangerous heat levels are forecast for a particular prefecture between Wednesday and Oct. 21, the Environment Ministry says.
JAPAN / Science & Health
Apr 20, 2026
¡®Special heatstroke warning alert¡¯ to be implemented for summer
The special alert is issued on a prefectural level if the heat index is thought to surpass 35 degrees Celsius at most observation points the following day.
Jannik Sinner (right) reacts on the bench as he receives medical attention during his men's singles match against Tallon Griekspoor at the Shanghai Masters tennis tournament in Shanghai on Sunday.
TENNIS
Oct 7, 2025
ATP open to heat policy after string of retirements in Shanghai sauna
The temperature at the Shanghai Masters was at around 30 degrees Celsius throughout the opening rounds with the humidity soaring over 80% at times.
Pedestrians pass through a cooling mist in Tokyo's Ginza district in August.
JAPAN / Science & Health
Oct 2, 2025
Japan saw record number treated for heatstroke in hottest-ever summer
Patients with suspected heatstroke over the period rose almost 3% to 100,143 from a year earlier as Japan saw its temperature record broken twice in a matter of days.
A thermometer displays 42 degrees Celsius in the city of Isesaki, Gunma Prefecture, on Aug. 5.
JAPAN
Sep 21, 2025
Government to step up heatstroke prevention for elderly
While elderly people are at higher risk of heatstroke due to their declining thermoregulation and ability to sweat, some refrain from using air conditioners even on very hot days.
The city of Obihiro, Hokkaido, under the scorching sun on July 23
JAPAN
Sep 8, 2025
Heatstroke patient numbers jumped in cooler Hokkaido and Tohoku this summer
In Hokkaido, the number of heatstroke patients rose 1.7-fold from the previous year, while Aomori Prefecture saw a 1.53-fold rise and Akita Prefecture saw a 1.42-fold rise.
A-Style President Kenichiro Kawakami applies a heat-shielding film to a window.
JAPAN / Regional Voices: Kyushu
Aug 25, 2025
For this Fukuoka company president, preventing heatstroke is personal
Kenichiro Kawakami lost his mother to heatstroke in 2017, inspiring him to launch the service of applying heat-shielding films to windows.
A Cardinals fan fans himself during the seventh inning of a game against the Pirates in St. Louis, Missouri, in June 2022.
MORE SPORTS
Aug 7, 2025
Cheer with caution: Expert advises sports fans have game plan for extreme heat
The consequences of extreme heat exposure range from dehydration to heatstroke and even death.
A worker tries to cool down a street in central Tokyo Tuesday as wide swaths of the Kanto region sweltered under intense heat. In Gunma Prefecture, the temperature rose 41.8 degrees Celsius, the highest ever recorded in Japan.
JAPAN / Society
Aug 5, 2025
Japan swelters as previous heat record melts
The country experienced its new hottest day ever on Tuesday at 41.8 degrees Celsius, beating the previous record set just last week.
People shield their eyes from the sun as they walk through a street on a hot day in Tokyo on July 26.
JAPAN
Aug 4, 2025
Extreme heat in Japan set to peak this week
Temperatures are particularly high in the Hokuriku region, where the mercury has exceeded 38 degrees Celsius in many areas.
Japan's temperature soared to a record 41.2 degrees Celsius in Tanba, Hyogo Prefecture, on Wednesday, surpassing the previous high of 41.1 C.
JAPAN / Breaking
Jul 30, 2025
Japan marks highest-ever temperature of 41.2 C in Hyogo
The mercury hit the above-human temperature of 41.2 C in the city of Tanba, Hyogo Prefecture, as authorities urged people to take precautions to avoid heatstroke.
Pedestrians use umbrellas to shelter from the sun as they cross a street in Tokyo's Kabukicho entertainment district on Tuesday.
JAPAN / Society
Jul 30, 2025
Record number of heatstroke sufferers taken by ambulance to hospital
A total of 10,804 heatstroke sufferers were taken to hospital by ambulance last week, the Fire and Disaster Management Agency.
Many areas across Japan experienced maximum temperatures of 35 degrees Celsius or higher on multiple days in June.
JAPAN / Society
Jul 24, 2025
Record number of people sent to hospital for heatstroke in June, data shows
Of those hospitalized, 10,342 were age 65 or over, accounting for about 60% of the total.
A police officer wears a neck cooler in Tokyo's Chuo Ward on July 10.
JAPAN
Jul 23, 2025
Tokyo police embrace cooling gear to protect officers from extreme heat?
The number of days when temperatures in Tokyo exceed 35 degrees Celsius continues to rise each year, prompting the need to protect police officers.
Tigers pitcher Jon Duplantier eats <i>umeboshi</i> pickled plums to replenish sodium.
BASEBALL / Japanese Baseball
Jul 23, 2025
NPB teams trying to fight off 91²Ö¿â torrid summer heat
On June 27, Seibu Lions pitcher Tatsuya Imai was replaced after suffering heatstroke while pitching during a game held at the team's Belluna Dome.
Pedestrians at the Shibuya Scramble Crossing in Tokyo on Tuesday. The weekly number of people taken to hospital with heatstroke has exceeded 10,000 for the first time this year as summer temperatures soar.
JAPAN / Society
Jul 9, 2025
Over 10,000 people sent to hospital last week due to heatstroke
Last week's number is more than double of that a week earlier.
Japan will experience a heat wave through mid-July on a ¡°level only seen once in a decade,¡± the Meteorological Agency said on June 30.
JAPAN
Jul 6, 2025
Heatstroke alert issued for 19 prefectures as Japan enters 'once-in-a-decade' heat wave
Included among the alerts were the first of the year for central Tokyo and Kanagawa Prefecture.
People carry a portable shrine at Sensoji temple during the Sanja Festival in May. The festival is one of the three largest in Tokyo.
LIFE / Language
Jul 5, 2025
What¡¯s the first thing you think of when you think of a Japanese summer?
Fireworks and festivals are part of the traditional Japanese summer, but what do people associate with the season these days?
In Tokyo, at least 562 people have been taken to the hospital for suspected heatstroke so far this month.
ENVIRONMENT
Jun 20, 2025
What happened to the rainy season?
The mercury has climbed across much of Japan in recent days, but the seasonal rain front is expected to return early next week.
People walk under the scorching sun in Tokyo's Omotesando area on Tuesday as temperatures rise above 35 degrees Celsius in much of eastern Japan.
JAPAN / Society
Jun 17, 2025
Japan sweats under extreme heat despite ongoing rainy season
The weather agency warned of heat waves throughout the week as a high-pressure system stretches across eastern and northern Japan.
A staff member at the Osaka Expo wears clothing featuring a cooling fan powered by electricity generated by perovskite solar cells.
JAPAN
Jun 17, 2025
Wearable perovskite solar cells tested at Osaka Expo
The cells, jointly developed by Toyoda Gosei and a startup company, weigh just 10 grams each.
New Zealand officials reject statue remembering 91²Ö¿â comfort women
A statue symbolizing former South Korean comfort women in Seoul
Head of U.S. military in South Korea calls for ¡®kill web¡¯ linking Seoul, Tokyo and Manila
U.S. Army Gen. Xavier Brunson (center), commander of U.S. Forces Korea, walks on a pontoon bridge with U.S. and South Korean Army soldiers during a U.S.-South Korea joint river-crossing exercise, part of the annual Freedom Shield joint military training, near the Demilitarized Zone separating the two Koreas, in Yeoncheon, South Korea, on March 14.
Japan considers making language programs a factor in residency screenings
The government is considering creating a Japanese language program for foreign people that would be a factor in residency screenings.
Yen soars as Japan intervenes after issuing 'final' warning
Pedestrians walk past a stock quotation board showing the exchange rate between the U.S. dollar and the Japanese yen, outside a brokerage in Tokyo on Thursday.
'RikuRyu' signs off in emotional farewell
Figure skating pair Riku Miura (left) and Ryuichi Kihara pose for photos at a news conference in Tokyo on Tuesday. The pair have announced their retirement from competitive skating.
Tennis trailblazer Kei Nishikori announces his retirement
Kei Nishikori, who has won 12 titles on the ATP Tour and climbed as high as No. 4 in the world rankings, on Thursday announced his retirement.
Head of U.S. military in South Korea calls for ¡®kill web¡¯ linking Seoul, Tokyo and Manila
U.S. Army Gen. Xavier Brunson (center), commander of U.S. Forces Korea, walks on a pontoon bridge with U.S. and South Korean Army soldiers during a U.S.-South Korea joint river-crossing exercise, part of the annual Freedom Shield joint military training, near the Demilitarized Zone separating the two Koreas, in Yeoncheon, South Korea, on March 14.
The Japanese dietitian who keeps the Blue Jays¡¯ engines running
Sports dietitian Yuka Sanui works behind the scenes to ensure Blue Jays players get the most out of their bodies when they step on the field.
The American chef reconnecting with Japan through a Kyoto restaurant
SoNoMa chef partner Kyle Connaughton (right) and chef de cuisine Keita Tominaga both have ties to Sonoma County in Northern California, the restaurant¡¯s namesake. Connaughton rose to prominence there with SingleThread, while Tominaga¡¯s father ran a Japanese restaurant in the region.
Inkonbini: Slice-of-life, cozy gaming from Japan¡¯s convenience stores
Alongside the simplified management of a convenience store, Inkonbini asks players to help a small cast of regular shoppers with not only their shopping but problems in their personal lives.

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