URGENT: A brutal heatwave is scorching East Asia. South Korea and Japan are experiencing record-breaking temperatures. Hundreds have died from heat-related illnesses. Millions are seeking relief as emergency measures are expanded across the region. This is a developing story.
Extreme Heat Grips Korean Peninsula
On Sunday, August 2, 2026, South Korea recorded its hottest day ever. The city of Yangsan, in the southeastern province of South Gyeongsang, registered a staggering 42.5 degrees Celsius (108.5 degrees Fahrenheit). This temperature shattered previous records. It marks the highest temperature measured in 122 years of weather observations in the country. The heatwave has been building for weeks. It has now spread beyond the southeast. Extreme heat is affecting the Seoul metropolitan area and western regions. North Korea is also experiencing intense heat. State media reported temperatures nearing 40 Celsius in some areas. Pyongyang has endured five consecutive tropical nights.
The Korea Disease Control and Prevention Agency reported a grim toll. Since mid-May, 14 people had died from heat-related illnesses. More than 1,889 people had been hospitalized. Other reports indicate at least 30 deaths nationwide. The heat has also devastated agriculture. More than 900,000 livestock and 1.4 million farmed fish have died. President Lee Jae Myung has called the situation a national disaster. He ordered an emergency response. Prime Minister Han Seong-sook directed ministries and local governments to mobilize all resources. The government has raised the heatwave response alert to its second-highest level. This unlocks funding for relief efforts. Heatwave warnings are now in effect for most of the country.
Record Temperatures Across East Asia
South Korea is not alone in this extreme weather. Hong Kong recorded its highest temperature since records began in 1884. On August 9, 2026, the Hong Kong Observatory registered 36.9 degrees Celsius (98.42 degrees Fahrenheit). Some districts in Hong Kong experienced temperatures close to 40 degrees Celsius. In China, the city of Dalian saw record highs. On August 7, temperatures reached 37 degrees Celsius. This is nearly 10 degrees above the average August high. Guangdong province reported record electricity consumption in July. Japan is also battling record heat. Temperatures have exceeded 40 degrees Celsius at multiple locations. This summer has seen a record five consecutive days with temperatures over 40 degrees Celsius. The city of Isesaki recorded a high of 41.8 degrees Celsius last year. In Tokyo, three lions died of suspected heatstroke at a city zoo. Thousands have been hospitalized with heat-related illnesses in Japan.
Causes and Context of the Heatwave
Climate scientists point to human-driven climate change as a primary driver of these extreme temperatures. A report from the World Meteorological Organization noted that Asia is warming twice as fast as the global average. This trend is leading to more frequent and intense heatwaves. Atmospheric circulation patterns and the El Niño phenomenon may also be contributing factors. The World Meteorological Organization (WMO) stated that July 2026 was one of the warmest Julys on record globally. The ten warmest Julys have all occurred since 2016.
The Asia and Pacific region is particularly vulnerable. Extreme heat is impacting labor productivity, public health, business resilience, and energy systems. Lower-income communities and informal workers are disproportionately affected. They often lack the resources to adapt to such extreme conditions. The urban heat island effect in densely populated cities exacerbates the problem.
Emergency Response and Ongoing Situation
Authorities across the region are implementing emergency measures. South Korea has activated its second-highest heatwave response alert. This unlocks funding for relief efforts and inspections. Power authorities are closely monitoring supply and demand. Electricity consumption is expected to reach record highs in late August due to increased air conditioning use. Local governments are providing cooling shelters, water, and sun umbrellas. In Hong Kong, a framework for work suspension during extreme heat exists. However, its effectiveness is being reviewed.
In China, power grids are strained under record demand. Guangdong province exceeded 100 billion kilowatt-hours of electricity consumption in July alone. The extreme heat is disrupting daily life. Baseball games have been cancelled in South Korea. Some cities have seen packed beaches and water parks as people seek relief.
Reactions and Expert Commentary
President Lee Jae Myung of South Korea stated, “Extreme heat on a scale we have never experienced is continuing day after day.” He added, “Heatwave conditions once seen only in foreign news reports have now become our reality.” The Korean government is calling for a fundamental overhaul of the national crisis system. Experts warn that this extreme weather is becoming the “new normal.”
Union leaders have criticized the lack of protection for workers. They argue that reforms are needed to guarantee workers’ right to take breaks without wage loss. However, some believe these calls are an attempt to block independent worker mobilization.
What’s Next
The heatwave is expected to persist through the summer months. Authorities are urging residents to limit outdoor activities and stay hydrated. Power consumption is likely to remain high. The long-term impacts on public health, agriculture, and economies are significant. Further analysis and monitoring by meteorological agencies will continue. This is a developing story, and more information will be released as it becomes available.
Emergency Contact Information:
- South Korea: 119 (Fire and Medical Emergencies)
- Japan: 119 (Fire and Medical Emergencies)
- Hong Kong: 999 (Police, Fire, Ambulance)
- China: 110 (Police), 120 (Ambulance), 119 (Fire)
For real-time air quality and heat index information, visit IQAir: Reuters Breaking News: Top 8 World Headlines – June 17, 2026
