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.

BANGKOK, June 25 — Bangkok residents have been warned to stay out of the midday sun after the city’s heat index — the temperature the human body actually feels — climbed to...

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…