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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 6 8:00
Sapporo
19.9
Aomori
23.7
Akita
23.7
Morioka
22.3
Sendai
22.2
Yamagata
22.1
Fukushima
23.0
Mito
22.6
Utsunomiya
21.9
Maebashi
20.0
Kumagaya
22.5
Tokyo
23.3
Choshi
22.3
Yokohama
23.2
Nagano
19.8
Kofu
20.5
Shizuoka
22.4
Nagoya
22.1
Gifu
21.0
Tsu
21.5
Niigata
23.0
Toyama
23.8
Kanazawa
24.7
Fukui
23.0
Hikone
21.3
Kyoto
21.8
Osaka
22.4
Kobe
23.0
Nara
22.9
Wakayama
23.5
Okayama
24.2
Hiroshima
23.4
Matsue
23.4
Tottori
24.2
Shimonoseki
25.0
Tokushima
24.5
Takamatsu
23.8
Matsuyama
24.0
Kochi
23.7
Fukuoka
26.5
Oita
25.8
Nagasaki
25.8
Saga
26.1
Kumamoto
25.4
Miyazaki
27.8
Kagoshima
29.0
Naha
27.1
Daily Maximum WBGT and Forecast
| 07/06 | 07/07 | 07/08 | 07/06 09 | 07/06 12 | 07/06 15 | 07/06 18 | 07/06 21 | 07/06 24 | 07/07 03 | 07/07 06 | 07/07 09 | 07/07 12 | 07/07 15 | 07/07 18 | 07/07 21 | 07/07 24 | 07/08 03 | 07/08 06 | 07/08 09 | 07/08 12 | 07/08 15 | 07/08 18 | 07/08 21 | 07/08 24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Taiza | 25 | 29 | 29 | 24 | 25 | 25 | 24 | 22 | 21 | 20 | 21 | 25 | 29 | 27 | 25 | 24 | 24 | 23 | 23 | 26 | 29 | 28 | 25 | 23 | 23 |
| Miyazu | 25 | 29 | 30 | 25 | 24 | 25 | 23 | 21 | 21 | 20 | 22 | 27 | 29 | 27 | 25 | 23 | 23 | 22 | 23 | 27 | 29 | 30 | 26 | 23 | 23 |
| Maizuru | 25 | 29 | 30 | 25 | 25 | 24 | 23 | 21 | 20 | 20 | 20 | 26 | 28 | 29 | 26 | 24 | 22 | 22 | 22 | 27 | 30 | 29 | 26 | 24 | 23 |
| Fukuchiyama | 26 | 28 | 29 | 25 | 26 | 24 | 23 | 21 | 20 | 19 | 20 | 25 | 27 | 28 | 26 | 25 | 24 | 23 | 23 | 27 | 28 | 29 | 27 | 25 | 23 |
| Miyama | 24 | 27 | 28 | 22 | 24 | 23 | 22 | 20 | 19 | 18 | 19 | 24 | 26 | 27 | 26 | 23 | 21 | 20 | 20 | 24 | 27 | 28 | 25 | 22 | 20 |
| Sonobe | 24 | 27 | 28 | 24 | 24 | 23 | 22 | 21 | 19 | 18 | 19 | 24 | 27 | 27 | 25 | 23 | 22 | 21 | 21 | 25 | 27 | 28 | 26 | 23 | 22 |
| Kyoto | 23 | 28 | 28 | 22 | 23 | 23 | 21 | 21 | 20 | 20 | 21 | 25 | 27 | 28 | 25 | 25 | 23 | 23 | 23 | 26 | 27 | 28 | 27 | 23 | 22 |
| Kyotanabe | 24 | 27 | 28 | 24 | 23 | 22 | 21 | 19 | 20 | 19 | 20 | 25 | 26 | 27 | 24 | 22 | 22 | 22 | 22 | 25 | 28 | 27 | 25 | 22 | 21 |
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.
