18 PH areas to experience dangerous heat index on Tuesday

Eighteen areas across the Philippines are expected to experience dangerous heat index levels on Tuesday, April 29, according to Pagasa.

The heat index measures how humidity affects high temperatures and the body's ability to cool itself.

Sangley Point in Cavite City is predicted to have the highest heat index at 45°C.

A heat index of 44°C may also be felt in Pasay City, Metro Manila; Masbate City, Masbate; and Pili, Camarines Sur.

A 43°C heat index may also be recorded in San Jose, Occidental Mindoro and Cuyo, Palawan.

Other areas forecast to reach at least 42°C include Dagupan City, Pangasinan; Bacnotan, La Union; Iba and Olongapo City in Zambales; Camiling, Tarlac; Infanta, Quezon; Coron, Palawan; Daet, Camarines Norte; Roxas City, Capiz; Iloilo City and Dumangas in Iloilo; and Musuan, Bukidnon.

Heat indices ranging from 42°C to 51°C are classified as 'danger category' by Pagasa, posing a high risk of heat-related illnesses such as heat cramps, heat exhaustion, and heatstroke, especially among vulnerable individuals.