Heat Illness Prevention Information

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Heat Stroke Alerts have been issued. [Map View]

Heat Stress Index: WBGT

Current WBGT and Forecast

 

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(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 Jun 15 23:00
Sapporo
17.0
Aomori
19.2
Akita
19.5
Morioka
20.7
Sendai
20.9
Yamagata
20.6
Fukushima
21.7
Mito
23.1
Utsunomiya
24.2
Maebashi
21.7
Kumagaya
23.8
Tokyo
24.9
Choshi
22.9
Yokohama
24.0
Nagano
19.3
Kofu
23.7
Shizuoka
24.4
Nagoya
21.0
Gifu
20.1
Tsu
22.2
Niigata
20.3
Toyama
20.8
Kanazawa
20.0
Fukui
19.6
Hikone
19.3
Kyoto
21.5
Osaka
22.7
Kobe
23.3
Nara
21.8
Wakayama
23.2
Okayama
24.3
Hiroshima
22.9
Matsue
22.0
Tottori
21.3
Shimonoseki
23.6
Tokushima
23.6
Takamatsu
24.1
Matsuyama
25.1
Kochi
25.0
Fukuoka
25.8
Oita
23.2
Nagasaki
25.3
Saga
25.1
Kumamoto
24.8
Miyazaki
25.5
Kagoshima
26.0
Naha
27.4

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.