MANILA, Philippines — The highest heat index on Monday, May 24, was 45ºC, which was recorded at 2:00 p.m. in Dagupan City in Pangasinan and at Sangley Point in Cavite, according to the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa).
Pagasa defines the heat index as the “human discomfort index” – the temperature as perceived by the human body.
The other areas that had high heat indexes are:
• Aparri in Cagayan with 44ºC
• Davao City in Davao del Sur, Itbayat in Batanes, and Legazpi City in Albay with 43ºC
• Catbalogan in Western Samar, El Salvador City in Misamis Oriental, Iba in Zambales, Laoag City in Ilocos Norte, Mactan International Airport in Cebu, and Tuguegarao City in Cagayan with 41ºC
So far, the highest heat index recorded in 2021 was 53ºC in Dagupan City, Pangasinan, on May 14 at 5 p.m.
Pagasa cautioned that heat indexes ranging from 41ºC to 54ºC could lead to heat cramps and heat exhaustion. Heatstroke is also probable with continued activity.
Pagasa advises people to stay indoors as much as possible, wear lightweight clothing, drink plenty of water regularly, and eat small meals.
READ: Pagasa maximum heat index table, May 24, 2021