The heat index in Coron, Palawan, reached 43 degrees Celsius, the highest recorded in the country as of Friday, Nov. 6, according to Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA).

The state weather bureau also recorded heat indices of 42°C in Butuan City, Agusan del Norte, and Dipolog, Zamboanga del Norte.

PAGASA warned that heat indices ranging from 42°C to 51°C fall under the danger category, where people may experience heat cramps and heat exhaustion.

Prolonged exposure to high temperatures may also lead to heat stroke, which can be life-threatening.

The public is advised to limit outdoor activities, stay hydrated and avoid prolonged exposure to direct sunlight to reduce the risk of heat-related illnesses.