Seoul, South Korea | AFP | Muser NewsDesk

South Korea registered on Sunday its highest temperature since records began more than a century ago, according to the state weather agency.

The southeastern city of Yangsan saw the temperature reach 42.5 °C at 1:26 pm (04:26 GMT), the Korea Meteorological Administration (KMA) said on its website.

Yangsan has been the epicentre of the ongoing heatwave, where temperatures exceeded 40 °C for a fifth consecutive day on Sunday.

Much of South Korea has been placed under heat warnings, with many cities seeing temperatures climb into the high 30 °C.

Image: South Korea’s Heatwave Risk Map for Health for the general public, valid on 3 August 2026
South Korea’s Heatwave Risk Map for Health for the general public, valid on 3 August 2026, shows elevated to very high heat-health risks across much of the country. The Korea Meteorological Administration advised people to avoid outdoor activities between noon and 5 PM, check frequently on elderly people living alone, take precautions in workplaces and livestock facilities, and prepare for possible power disruptions. As of 31 July, the Korea Disease Control and Prevention Agency had recorded 1,781 cases of heat-related illness, including 13 deaths. Credit: Korea Meteorological Administration (KMA)

More than 20 localities were on Sunday under emergency heatwave alerts, a new warning category introduced this year to better address rising temperatures.

An emergency alert is issued when areas experiencing a heatwave are forecast to hit perceived temperatures of 38 °C or an actual temperature of 39 °C for one day.

KMA data show the average annual number of heatwave days in the country has more than doubled to 19 over the past five years, from eight in the 1970s.

A heatwave day is defined as one with a maximum temperature of at least 33 °C, while a tropical night is one when the overnight low remains 25 °C or above.

Scientists warn that extreme weather events such as heatwaves are becoming more frequent and intense as a result of human-induced climate change.

Article Source:
Press Release/Material by Agence France-Presse
Featured image credit: Jiwon Kang | Unsplash

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