Heat Illness Prevention Information

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Heat Stroke Alerts have been issued. [Map View]

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Special Heat Stroke Alert ・ Heat Stroke Alert

Updated at Jun 15(Sun)17:00
Today[Jun 15]
Map of Japan Alert Map(Today) Special Heat Stroke AlertsNot issued Heat Stroke AlertsIssued 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 15 17:00
Sapporo
19.2
Aomori
20.5
Akita
20.5
Morioka
23.9
Sendai
23.8
Yamagata
23.9
Fukushima
27.7
Mito
27.3
Utsunomiya
27.1
Maebashi
26.3
Kumagaya
26.8
Tokyo
28.1
Choshi
24.6
Yokohama
28.0
Nagano
23.2
Kofu
27.8
Shizuoka
28.1
Nagoya
24.7
Gifu
25.7
Tsu
24.1
Niigata
22.3
Toyama
22.2
Kanazawa
21.6
Fukui
23.6
Hikone
24.4
Kyoto
24.4
Osaka
25.2
Kobe
25.1
Nara
25.9
Wakayama
27.2
Okayama
28.4
Hiroshima
24.7
Matsue
24.9
Tottori
23.7
Shimonoseki
25.0
Tokushima
27.1
Takamatsu
26.1
Matsuyama
27.3
Kochi
29.1
Fukuoka
25.4
Oita
23.8
Nagasaki
24.8
Saga
25.1
Kumamoto
24.7
Miyazaki
27.9
Kagoshima
28.8
Naha
29.3
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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