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All about Wet Bulb Globe Temperature
What is Wet Bulb Globe Temperature?
Wet Bulb Globe Temperature (WBGT) is an environmental index representing
temperature, humidity and radiation*1
as major factors affecting human heat balance*2.
It has been specified as a heat illness risk on the Japanese Ministry of the Environment’s heat illness prevention website since 2006.
WBGT is calculated from dry bulb temperature, wet bulb temperature and globe temperature.
*1 Radiation heat comes from the ground, buildings, people and other sources. Hotter bodies emit larger amounts.
*2 Wind also affects human heat balance.
Find out more about WBGT.
How much do you know about WBGT?
Check out your local WBGT.