Sixteen locations in the Philippines are predicted to experience a "dangerous" heat index on Thursday, May 8, 2025, according to Pagasa.
Dagupan City and Sangley Point are expected to have the highest heat index at 44°C.
Sangley Point had already recorded a heat index of 46°C on Wednesday.
The "dangerous" category for heat index ranges from 42°C to 51°C, where heat cramps, exhaustion, and heat stroke are possible risks.
Other areas forecast to reach 43°C include NAIA in Pasay City, Sinait in Ilocos Sur, Laoag City, Isabela State University-Echague, Iba in Zambales, Tarlac Agricultural University, Masbate City, and Catarman.
Areas that will experience a 42°C heat index are Ambulong in Batangas, UP Los Baños in Laguna, Coron and Cuyo in Palawan, Daet in Camarines Norte, and Roxas City in Capiz.
The Department of Health has advised the public to wear light clothing and stay hydrated to prevent heat-related illnesses.
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