MANILA, Philippines — Seven areas recorded a “hazard category” heat index on Wednesday, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa).

The heat index, as defined by Pagasa, is “a measure of the contribution that high humidity makes abnormally high temperatures in reducing the body's ability to cool itself.”

When it reaches 42ºC (degrees Celsius) to 51ºC, Pagasa considers it to be in the “danger category” and warns that it can cause cramps, heat exhaustion and even heatstroke with prolonged exposure to heat.

Based on Pagasa's latest computed heat index recorded nationwide at 5pm, a maximum heat index of 43ºC was recorded in the following areas:

Dagupan City, Pangasinan

Dumangas, Iloilo

Catarman, Northern Samar

Meanwhile, a maximum heat index of 42ºC was recorded in:

Sangley Point, Cavite

Puerto Princesa, Palawan

Zamboanga City, South Zamboanga

Cotabato City, Maguindanao

Pagasa reminds the public to do the following in case of heat exhaustion or heatstroke:

– Move the person to a shady place and lay them down with their legs

high.

– If they are conscious, ask them to drink cold water.

– Loosen clothing, apply cold water to skin and provide ventilation.


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– Apply ice packs to armpits, wrists, ankles and groin.

– Take immediately to a hospital



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