High humidity pushes heat index of world's most-visited city into 'danger' zone

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The city of Bangkok experienced a 'danger' level in the heat index on June 25 due to high humidity, although the air temperature remained below 40 degrees Celsius. Authorities issued warnings about increased heatstroke risks amid rising humidity.

Bangkok's air temperature stayed below 40 degrees Celsius on June 25, but soaring humidity pushed the "feels like" heat index into the official "danger" zone, prompting city authorities to warn of a rising heatstroke risk.