25 June 2026

Online sports heat risk app launched internationally to help players check their heat risk across 33 sports, including football

As temperatures soar across the Northern Hemisphere, a free tool lets anyone, anywhere check how dangerous the heat really is for their sport and decide whether it is safe to play.

Most people who play sport judge heat by the temperature, or simply by how it feels. But the real danger depends on much more than that. Humidity, the sun, and how hard you are working all affect how much heat your body has to shed, which is why two days at the same temperature can carry very different risks.

The Sports Heat Tool, developed at the University of Sydney, now calculates that risk for anyone, providing sport-specific guidance on heat exposure and a clear answer to a question that millions of people ask each summer: is it too hot to play?

The interactive online tool, downloadable for free from the Apple App Store and online, is designed to help people monitor their heat risk while participating in more than 33 sports and guide safe participation during hot conditions.

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