Sa datos ng PAGASA, ang Aparri, Cagayan ang nakapagtalaga ng pinakamataas na heat index kahapon na umabot sa 57.6 degrees Celsius.
Maliban sa Aparri, maraming iba pang lugar ang nakapagtala ng mahigit 41 degrees Celsius na heat index na nasa dangerous level na.
Kabilang dito ang mga sumusunod:
• Dagupan City, Pangasinan – 50.4 degrees Celsius
• Casiguran, Aurora – 49.2 degrees Celsius
• Infanta, Quezon – 48.2 degrees Celsius
• Guiuan, Eastern Samar – 46.7 degrees Celsius
• Sangley Point, Cavite – 46.5 degrees Celsius
• Maasin, Southern Leyte – 45.5 degrees Celsius
• Tayabas City, Quezon – 45.5 degrees Celsius
• Ambulong, Batangas – 45.2 degrees Celsius
• Roxas City, Capiz – 44.8 degrees Celsius
• San Jose City, Occidental Mindoro – 44.5 degrees Celsius
• Baler, Aurora – 44.3 degrees Celsius
• Dipolog, Zamboanga del Norte – 44.2 degrees Celsius
• Daet, Camarines Norte – 43.6 degrees Celsius
• Surigao City, Surigao Del Norte – 43.6 degrees Celsius
• Cotabato City, Maguindanao – 43.4 degrees Celsius
• Tuguergarao City, Cagayan – 43.4 degrees Celsius
• Iba, Zambales – 43.2 degrees Celsius
• Calapan, Oriental Mindoro – 43 degrees Celsius
• Dumaguete City, Negros Oriental – 42.8 degrees Celsius
• Itbayat, Batanes – 42.7 degrees Celsius
• Legaspi City, Albay – 42.6 degrees Celsius
• Masbate City, Masbate – 42.3 degrees Celsius
• Laoag City, Ilocos Norte – 41.9 degrees Celsius
• Alabat, Quezon – 41.8 degrees Celsius
• Butuan City, Agusan Del Norte – 41.8 degrees Celsius
• Davao City, Davao Del Sur – 41.5 degrees Celsius
• Catbalogan, Western Samar – 41.2 degrees Celsius
• Tacloban City, Leyte – 41.2 degrees Celsius
Sa Metro Manila, nakapagtala din ng mataas na antas ng heat index.
Kabilang dito ang sumusunod:
• NAIA, Pasay City – 45.3 degrees Celsius
• Port Area, Manila – 41.2 degrees Celsius
• Science Garden, Quezon City – 40.6 degrees Celsius