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Heat Stress Index: WBGT
Current WBGT and Forecast
Select the location
| (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 |
WBGT monitoring
As of Apr 25 23:00
Sapporo
9.1
Sendai
12.9
Tokyo
17.5
Niigata
11.9
Nagoya
13.5
Osaka
14.6
Hiroshima
13.9
Kochi
14.8
Fukuoka
15.0
Kagoshima
15.4
Naha
22.2
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.
