Bangkok, April 20 -- Thailand's capital, Bangkok, has experienced 19 consecutive days of dangerous heat index levels, with extremely high temperatures and humidity pushing conditions into a high-risk zone for public health.

The Bangkok Metropolitan Administration (BMA) reported that the heat index has remained at a "dangerous" level of 42-51.9degC since April 1. Unlike standard temperature readings, the heat index reflects the actual perceived heat, taking humidity into account.

Officials warned residents to limit prolonged outdoor exposure and to watch for symptoms such as fatigue, dizziness, rashes, muscle cramps, and heatstroke, especially during peak afternoon hours. Vulnerable groups were advised to seek medical care immediately if t...