26 areas face ‘danger level’ heat index on Tuesday, May 20, 2025

PAGASA predicted 26 areas in the country could experience a “danger level” heat index on Tuesday, May 20, 2025.

According to the state weather bureau’s 5 p.m. May 19 bulletin, the synoptic stations in the following areas will measure a 42°C-46°C heat index:

46°C

• Aparri, Cagayan

44°C

• Laoag City, Ilocos Norte
• Dagupan City, Pangasinan
• Tuguegarao City, Cagayan
• ISU Echague, Isabela
• Baler (Radar), Aurora
• TAU Camiling, Tarlac

43°C

• MMSU, Batac, Ilocos Norte
• Casiguran, Aurora
• Iba, Zambales
• CSLSU Muñoz, Nueva Ecija
• Cubi Pt., Subic Bay, Olongapo City
• Sangley Point, Cavite City
• Infanta, Quezon
• Masbate City
• Butuan City, Agusan del Norte

42°C

• Sinait, Ilocos Norte
• Bacnotan, La Union
• Clark Airport (DMIA), Pampanga
• San Ildefonso, Bulacan
• Ambulong, Tanauan, Batangas
• Daet, Camarines Norte
• Legazpi City, Albay
• CBSUA-Pili, Camarines Sur
• Iloilo City
• Dumangas, Iloilo

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

The weather bureau urges the public to limit outdoor activities, remain hydrated, and wear fresh clothes to avoid heat-related illnesses. —Mariel Celine Serquiña/RF, GMA Integrated News