MANILA – The city of Dagupan in Pangasinan on Thursday recorded a heat index of 47 degrees Celsius, the highest among areas monitored in the country by PAGASA.

It was recorded at 2 p.m., according to the state meteorological office.

The heat index at Sangley Point in Cavite reached 46 degrees Celsius on the same day.

In Metro Manila, a heat index of 42 degrees Celsius was measured in NAIA in Pasay City, while it was 39 degrees in the Manila port area.

A heat index of 41-54 degrees Celsius is classified as “dangerous,” while 32-41 degrees is “extreme caution,” according to PAGASA.

In the “danger” range, “heat cramps and heat exhaustion are likely” and “heat stroke is likely with continued activity”.

The “extreme caution” range, on the other hand, can eventually cause heat cramps and heat exhaustion, and “continued activity can lead to heat stroke”.

Dagupan has sizzled lately, its heat index hitting 53 degrees Celsius on May 14, the country’s record for this year.

PAGASA defines the heat index as the index of human discomfort or the “apparent” temperature that humans perceive or experience as the temperature affecting their body.

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