Danger-level heat index in 39 areas on Tuesday, April 30, 2024 —PAGASA

Heat indices in the "dangerous" level are expected in at least 39 areas in the country on Tuesday, according to PAGASA. 

The heat index is the measure of the temperature that a person feels in contrast to the actual air temperature. Computed by factoring in the humidity as well as the air temperature, the heat index measures "human discomfort" and is the "apparent temperature" felt by the human body.

PAGASA's heat index classification defines heat index temperatures ranging from 42°C to 51°C as being in the "danger" level, where "heat cramps and heat exhaustion are likely; heat stroke is probable with continued exposure."

In its latest bulletin, the state weather bureau said temperatures of 42°C to 49°C are seen in the following areas:

49°C

• Dagupan City, Pangasinan

47°C

• Aparri, Cagayan

46°C

• Tuguegarao City, Cagayan

45°C

• Laoag City, llocos Norte
• Bacnotan, La Union
• Iba, Zambales
• Coron, Palawan
• Aborlan, Palawan
• CBSUA-Pili, Camarines Sur

44°C

• Sinait, llocos Sur
• ISU Echague, Isabela
• CLSU Muñoz, Nueva Ecija
• Baler (Radar), Aurora
• Cubi Pt., Subic Bay, Olongapo City
• San Jose, Occidental Mindoro
• Virac (Synop), Catanduanes
• Iloilo City, Iloilo
• Dumangas, Iloilo

43°C

• MMSU, Batac, Ilocos Norte
• Clark Airport (DMIA), Pampanga
• Casiguran, Aurora
• Puerto Princesa City, Palawan
• Masbate City, Masbate
• Roxas City, Capiz
• Mambusao, Capiz
• La Granja, La Carlota, Negros Occidental
• Guiuan, Eastern Samar
• Zamboanga City, Zamboanga Del Sur

42°C 

• NAIA, Pasay City
• Science Garden, Quezon City
• Calayan, Cagayan
• NVSU Bayombong, Nueva Vizcaya
• Sangley Point, Cavite
• Ambulong, Tanauan, Batangas
• Daet, Camarines Norte
• Legazpi City, Albay
• Catarman, Northern Samar
• Catbalogan, Western Samar
• Tacloban City, Leyte

The lowest heat index levels were predicted in Baguio City, Benguet at 28°C; and BSU, La Trinidad, Benguet at 29°C. 

PAGASA recommends limiting outdoor activity, hydrating consistently, and wearing fresh clothes to combat the effects of the heat.

Infographic: PAGASA

— BM, GMA Integrated News