The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said the intense heat reached a "dangerous" level in 39 areas on Wednesday, May 22.
PAGASA reported that Guiuan, Eastern Samar recorded the highest heat index of the day at 49 degrees Celsius (°C), followed by Dagupan City, Pangasinan and Aparri, Cagayan with 47°C.
Meanwhile, the heat index reached 46°C in Dumangas, Iloilo and 45°C in Laoag City, Ilocos Norte; Puerto Princesa City, Palawan; Cuyo, Palawan; Roxas City, Capiz; Iloilo City, Iloilo; and Butuan City, Agusan Del Norte.
A heat index of 44°C was logged in Tuguegarao City, Cagayan; Iba, Zambales; Sangley Point, Cavite; Ambulong, Tanauan Batangas; San Jose, Occidental Mindoro; Aborlan, Palawan; Virac (Synop), Catanduanes; La Granja, La Carlota, Negros Occidental; Catarman, Northern Samar; Maasin, Southern Leyte; and Dipolog, Zamboanga Del Norte.
It reached 43°C in MMSU, Batac, Ilocos Norte; ISU Echague, Isabela; Casiguran, Aurora; Alabat, Quezon; Coron, Palawan; Masbate City, Masbate; and Siquijor, Siquijor.
The heat index also reached 42°C in Ninoy Aquino International Airport (NAIA) Pasay City, Metro Manila; Sinait, Ilocos Sur; Bacnotan, La Union; Calayan, Cagayan; Cubi Pt., Subic Bay Olongapo City; Calapan, Oriental Mindoro; Daet, Camarines Norte; Mambusao, Capiz; Catbalogan, Samar; Zamboanga City, Zamboanga Del Sur; and CMU Agromet, Musuan, Bukidnon.
READ: https://mb.com.ph/2024/3/18/heat-index-what-is-it-and-how-does-it-differ-from-actual-temperature