A study ranks most 2026 World Cup host cities as dangerously hot, raising hard questions about player safety, kickoff times and the matches ahead.
Sustainability · Sport
Key Facts
—The finding. A peer-reviewed study found 14 of the 16 host cities cross a recognised danger threshold for heat stress.
—The measure. It uses wet-bulb globe temperature, which combines heat and humidity into one safety reading.
—Highest risk. Miami and Monterrey, where no air-conditioned roof exists, plus Philadelphia, Kansas City, Boston and New York.
Heat burden is real. Which World Cup cities face the biggest risk?
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