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Scientists Warn 2026 World Cup Faces Higher Extreme-Heat Risk

The study finds climate change has made dangerous match conditions more likely than in 1994.

Overview

  • Researchers with World Weather Attribution say about one in four of the 104 matches could reach 26 on the WBGT heat index, a level that calls for added cooling steps.
  • The team estimates around five games could hit 28 WBGT, a danger threshold at which player unions say matches should be cancelled.
  • The analysis flags outdoor venues in Miami, Kansas City, and New York/New Jersey as highest risk, including France vs Senegal set for June 16 in New Jersey.
  • Several stadiums have air conditioning that lowers on-field risk, yet large fan gatherings outside could face greater harm with less medical support.
  • WBGT blends temperature, humidity, sun, and cloud cover to gauge heat stress, and a 28 reading is akin to about 38°C in dry air or 30°C in very humid air.