The temperature topped 30 degrees in Tokyo on Tuesday for the first time this year as much of the nation baked in unseasonable hot weather.
The mercury rose to 30.1 degrees in central Tokyo at 1 p.m., the Japan Meteorological Agency said, adding Tuesday was the 16th straight day of higher-than-average temperatures for the Kanto region.
The agency said temperatures for the past few days have been about the average for early July.
Elsewhere, the mercury reached 32.3 degrees in Isesaki, Gunma Prefecture, 32 degrees in Tajimi, Gifu Prefecture and 31.5 degrees in Kyoto.
The agency said the temperature surpassed 30 degrees at 88 of its 928 monitoring points across Japan.
Meanwhile, in Sue, Fukuoka Prefecture, 35 elementary school children were taken to hospital to be treated for heat exhaustion after they started feeling unwell during a sports event at around 11 a.m., NHK reported.
Fire and Disaster Management Agency officials are urging people to drink plenty of water and use the air conditioner, if necessary.
Last year, more than 50,000 people were taken to hospital to be treated for heat exhaustion between May and September, according to the agency.© Japan Today