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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 Jul 27 19:00
Sapporo
21.4
Sendai
22.8
Tokyo
27.8
Niigata
27.1
Nagoya
28.9
Osaka
28.0
Hiroshima
26.7
Kochi
28.2
Fukuoka
28.1
Kagoshima
28.5
Naha
27.9
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.
