‘Dangerous’ heat index forecast in Pasay, QC, 17 other areas

A woman uses an umbrella to shield from the sun during a hot day in Manila on March 3, 2025. — Photo by Agence France-Presse

MANILA, Philippines — “Dangerous” heat index levels were forecast in Pasay City and Quezon City in Metro Manila as well as 17 other areas across the country on Saturday, May 3.

This was according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration’s (Pagasa) latest heat index bulletin.

Pagasa’s monitoring station at the Ninoy Aquino International Airport in Pasay City was projected to experience a heat index of 43°C, while its station at the Science Garden in Quezon City was forecast to experience 42°C.

The “dangerous” heat index level is between 42 and 51°C, which may cause heat cramps, heat exhaustion and heat stroke.

The highest heat index level predicted for Saturday was 44°C at Baler, Aurora; Iba, Zambales; Sangley Point, Cavite; and Infanta, Quezon.

Pagasa said the rest of the areas that will experience the “danger” heat index category are:

43°C

Dagupan City, Pangasinan

Isabela State University Echague, Isabela

Cubi Point, Subic Bay, Olongapo City

42°C

Laoag City, Ilocos Norte

Bacnotan, La Union

Tuguegarao City, Cagayan

Central Luzon State University Muñoz, Nueva Ecija

Tarlac Agricultural University Camiling, Tarlac

Hacienda Luisita, Tarlac City

Ambulong, Tanuan, Batangas

Alabat, Quezon

San Jose, Occidental Mindoro

Cuyo, Palawan

Meanwhile, these areas were predicted to experience the “extreme caution” heat index category, which is between 33 and 41°C:

41°C

Sinait, Ilocos Sur

Mariano Marcos State University, Batac, Ilocos Norte

Aparri, Cagayan

Nueva Vizcaya State University Bayombong, Nueva Vizcaya

Casiguran, Aurora

Clark Airport, Pampanga

San Ildefonso, Bulacan

Coron, Palawan

Daet, Camarines Norte

Masbate City, Masbate

Central Bicol State University of Agriculture-Pili, Camarines Sur

Roxas City, Capiz

Dumangas, Iloilo

Siquijor, Siquijor

Zamboanga City, Zamboanga del Sur

40°C

Tayabas City, Quezon

National Agromet Station – University of the Philippines Los Baños, Los Baños, Laguna

Calapan, Oriental Mindoro

Puerto Princesa City, Palawan

Virac (Synop), Catanduanes

Juban, Sorsogon

Iloilo City, Iloilo

Catarman, Northern Samar

Hinatuan, Surigao del Sur

Butuan City, Agusan del Norte

39°C

Calayan, Cagayan

Mulanay, Quezon

Cavite State University Indang, Cavite

Romblon, Romblon

Aborlan, Palawan

Legazpi City, Albay

Mambusao, Capiz

Dumaguete City, Negros Oriental

Panglao International Airport, Bohol

Mactan International Airport, Cebu

Catbalogan, Western Samar

Tacloban City, Leyte

Visayas State University-Baybay, Leyte

Borongan, Eastern Samar

Maasin, Southern Leyte

Dipolog, Zamboanga del Norte

Davao City, Davao Del Sur

38°C

Bicol University – Guinobatan, Albay

Guiuan, Eastern Samar

Cotabato City, Maguindanao

Surigao City, Surigao del Norte

37°C

Abucay, Bataan

Tanay, Rizal (Radar)

Bicol International Airport-Daraga, Albay

Laguindingan Airport, Misamis Oriental

General Santos City, South Cotabato

36°C

Central Mindanao University Agromet, Musuan, Bukidnon

34°C

Basco (Radar), Batanes

33°C

Itbayat, Batanes

Malaybalay, Bukidnon

Pagasa’s station in Baguio City, Benguet is projected to experience a heat index of 27°C, which is under the “caution” category.

Meanwhile, the agency’s station in La Trinidad, Benguet is forecast to feel a heat index of only 24°C, which is “not hazardous.”