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TACLOBAN CITY- The town of Guiuan in Eastern Samar recorded a heat index of 48 degrees Celsius at around noon on Friday, marking its highest heat index so far this year, according to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa).
While the 48°C heat index is the highest recorded in Guiuan for 2026, it remains lower than the town’s record-high 55°C heat index logged on April 28, 2024 — one of the highest heat index readings ever recorded in the country.
READ: HEAT INDEX WATCH: Danger level in 51 areas Friday
Under Pagasa’s heat index classification, 48°C falls under the “danger” category, where prolonged exposure to extreme heat may cause heat cramps, heat exhaustion, and even heat stroke.
