Heat by city
Live heat stress, city by city
The real heat your body faces — wet-bulb globe temperature (WBGT), validated and live — for 176 major U.S. cities. Pick a city, or open the live map for anywhere on Earth.
Open the live mapEach chip is the city’s current WBGT (°F), colored by heat-stress tier — refreshed about every 30 minutes.
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United States
176 citiesDon’t see your city? The live map covers anywhere on Earth.