Dangerous Heat Indexes Above 42ºC Expected in 30 Areas Today

Thirty areas across the Philippines are bracing for scorching temperatures, with peak heat indexes expected to soar above 42ºC (degrees Celsius) on Monday, warns the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa).

Places with High Heat Index

According to Pagasa’s latest projections, Dagupan City in Pangasinan and Aparri in Cagayan are anticipated to experience the highest peak heat indexes at a sweltering 47ºC.

Even in the nation’s capital region, Metro Manila, the heat index around Ninoy Aquino International Airport (Naia) in Pasay City is forecast to peak at a concerning 42ºC.

Pagasa defines heat index as “a measure of the contribution that high humidity makes with abnormally high temperatures in reducing the body’s ability to cool itself.” When it climbs between 42ºC to 51ºC, Pagasa automatically designates it as part of the “danger category,” raising the risk for heat-related illnesses such as heat cramps, heat exhaustion, and even heat stroke.

Here’s a breakdown of areas forecasted to record a heat index of or above 42ºC in descending order:

  1. Dagupan City, Pangasinan – 47ºC
  2. Aparri, Cagayan – 47ºC
  3. Laoag City, Ilocos Norte – 45ºC
  4. CBSUA-Pili, Camarines Sur – 45ºC
  5. Guiuan, Eastern Samar – 45ºC
  6. Bacnotan, La Union – 44ºC
  7. Tuguegarao City, Cagayan – 44ºC
  8. San Jose, Occidental Mindoro – 44ºC
  9. Virac (Synop), Catanduanes – 44ºC
  10. Roxas City, Capiz – 44ºC
  11. Catbalogan, Samar – 44ºC
  12. ISU Echague, Isabela – 43ºC
  13. Sangley Point, Cavite – 43ºC
  14. Ambulong, Tanauan Batangas – 43ºC
  15. Puerto Princesa City, Palawan – 43ºC
  16. Cuyo, Palawan – 43ºC
  17. Daet, Camarines Norte – 43ºC
  18. Dumangas, Iloilo – 43ºC
  19. Catarman, Northern Samar – 43ºC
  20. Naia Pasay City, Metro Manila – 42ºC
  21. Sinait, Ilocos Sur – 42ºC
  22. MMSU, Batac, Ilocos Norte – 42ºC
  23. Baler (Radar), Aurora – 42ºC
  24. Casiguran, Aurora – 42ºC
  25. Cubi Pt., Subic Bay Olongapo City – 42ºC
  26. Masbate City, Masbate – 42ºC
  27. Iloilo City, Iloilo – 42ºC
  28. Tacloban City, Leyte – 42ºC
  29. Borongan, Eastern Samar – 42ºC
  30. Maasin, Southern Leyte – 42ºC

Stay hydrated, avoid dehydrating drinks, wear loose and light clothing, limit outdoor activities, and use sun protection such as hats, umbrellas, and sunscreen.

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