32 areas to endure ‘danger level’ heat index on May 6, 2025

A “danger level” heat index is forecast for 32 areas, including two in Metro Manila, on Tuesday, May 6, PAGASA said Monday.

Based on the state weather bureau’s 5 p.m. May 5 bulletin, the synoptic stations in the following areas will measure a 42°C-45°C heat index:

45°C

• ISU Echague, Isabela

44°C

• Tuguegarao City, Cagayan
• Sangley Point, Cavite City
• Daet, Camarines Norte

43°C

• NAIA Pasay City
• Science Garden Quezon City
• Dagupan City, Pangasinan
• Cubi Pt., Subic Bay, Olongapo City
• San Ildefonso, Bulacana
• TAU Camiling, Tarlac
• Ambulong, Tanauan Batangas
• Alabat, Quezon
• CBSUA-Pili, Camarines Sur
• Catarman, Northern Samar
• Zamboanga City, Zamboanga del Sur

42°C

• Aparri, Cagayan
• Iba, Zambales
• CLSU Muñoz, Nueva Ecija
• Hacienda Luisita, Tarlac City
• Coron, Palawan
• San Jose, Occidental Mindoro
• Cuyo, Palawan
• Legazpi City, Albay
• Virac (Synop), Catanduanes
• Masbate City
• Roxas City, Capiz
• Iloilo City
• Catbalogan, Western Samar
• VSU-Baybay, Leyte
• Guiuan, Easter Samar
• Maasin, Southern Leyte
• Davao City, Davao del Sur

PAGASA classifies heat indices between 42°C and 51°C under the danger category, which may cause heat cramps, heat exhaustion, and heat stroke.

The Department of Health advised Filipinos who have prolonged sun exposure to drink as much as 10 glasses of water daily, with the heat index reaching up to a dangerous 50°C in some areas in the country.

—Mariel Celine Serquiña/RF, GMA Integrated News