[Graphic News] Heat-related illnesses hit third-highest level since 2011

South Korea reported 4,066 patients with heat-related illnesses in 2026, the third-highest figure since nationwide monitoring began in 2011, according to the Korea Disease Control and Prevention Agency. The total dropped from 4,460 last year. The number of heat wave days came to 22 this year, down from 29.7 in 2025 …

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