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Heat Stress Index: WBGT

Provision of information on Heat Stress Index (WBGT) ended on October 26, 2022.

クリッカブルマップ アラート発表状況詳細
(Blue) Almost safe (Sky) Caution (Yellow) Warning (Orange) Severe Warning (Red) Danger
< 21
appropriate water replenishment suggested
21 - 25
water should be replenished often
25 - 28
rests should be provided often
28 - 31
heavy exercise prohibited
≥ 31
exercise prohibited
Note

WBGT index is one of the empirical indices representing the heat stress to which an individual is exposed. (ISO7243)
WBGT varies depending on environmental situation and condition.

Heat Stroke Alert

  For Oct 26 (Updated at Oct 26 5:00)
地図(日本全域) 熱中症警戒アラート発表状況

This year's Heat Stroke Alert operation
ended on October 26, 2022.

クリッカブルマップ アラート発表状況詳細

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