Heat Illness Prevention Information

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Special Heat Stroke Alert ・ Heat Stroke Alert

Updated at Jun 14(Sun)5:00
Today[Jun 14]
Map of Japan Alert Map(Today) Special Heat Stroke AlertsNot issued Heat Stroke AlertsNot issued WBGT forecast: 31+Issued

Heat Stress Index: WBGT

(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 14 11:00
Sapporo
22.7
Aomori
22.6
Akita
23.0
Morioka
21.5
Sendai
24.7
Yamagata
22.7
Fukushima
24.0
Mito
25.1
Utsunomiya
24.0
Maebashi
23.9
Kumagaya
25.2
Tokyo
25.2
Choshi
24.6
Yokohama
23.5
Nagano
22.5
Kofu
23.2
Shizuoka
22.7
Nagoya
23.9
Gifu
23.1
Tsu
23.7
Niigata
24.1
Toyama
25.0
Kanazawa
24.7
Fukui
23.6
Hikone
23.6
Kyoto
22.6
Osaka
22.3
Kobe
22.9
Nara
22.2
Wakayama
24.0
Okayama
24.2
Hiroshima
21.3
Matsue
21.9
Tottori
23.2
Shimonoseki
22.4
Tokushima
21.9
Takamatsu
23.4
Matsuyama
22.5
Kochi
23.3
Fukuoka
21.5
Oita
21.9
Nagasaki
20.8
Saga
21.5
Kumamoto
22.0
Miyazaki
19.9
Kagoshima
19.7
Naha
27.5
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.

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