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[Disaster Prevention Net Anan]
About WBGT (Wet Bulb Black Bulb Temperature)
It is based on the Japan Sports Association's "Heat Stroke Prevention Exercise Guidelines".
WBGT less than 21: Nearly safe
WBGT 21~24: Notes
WBGT 25~27: Alert
WBGT 28~30: High Alert
WBGT 31 or higher: Exercise is canceled in principle.