Mobile
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 11 2:00
Sapporo
21.6
Aomori
22.0
Akita
22.9
Morioka
22.3
Sendai
22.6
Yamagata
23.3
Fukushima
23.9
Mito
22.4
Utsunomiya
22.6
Maebashi
22.6
Kumagaya
23.0
Tokyo
22.8
Choshi
22.6
Yokohama
23.4
Nagano
23.2
Kofu
22.6
Shizuoka
23.7
Nagoya
23.1
Gifu
22.7
Tsu
23.0
Niigata
23.9
Toyama
23.1
Kanazawa
22.9
Fukui
22.5
Hikone
21.9
Kyoto
23.8
Osaka
24.5
Kobe
24.4
Nara
23.0
Wakayama
23.6
Okayama
23.5
Hiroshima
24.0
Matsue
23.0
Tottori
23.6
Shimonoseki
24.5
Tokushima
24.3
Takamatsu
24.2
Matsuyama
23.5
Kochi
24.0
Fukuoka
26.1
Oita
24.8
Nagasaki
24.3
Saga
26.1
Kumamoto
24.5
Miyazaki
26.0
Kagoshima
25.9
Naha
26.4
Daily Maximum WBGT and Forecast
| 07/11 | 07/12 | 07/13 | 07/11 03 | 07/11 06 | 07/11 09 | 07/11 12 | 07/11 15 | 07/11 18 | 07/11 21 | 07/11 24 | 07/12 03 | 07/12 06 | 07/12 09 | 07/12 12 | 07/12 15 | 07/12 18 | 07/12 21 | 07/12 24 | 07/13 03 | 07/13 06 | 07/13 09 | 07/13 12 | 07/13 15 | 07/13 18 | 07/13 21 | 07/13 24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hikone | 31 | 31 | 28 | 21 | 22 | 28 | 31 | 31 | 28 | 28 | 26 | 24 | 24 | 28 | 31 | 29 | 27 | 27 | 26 | 24 | 25 | 28 | 28 | 28 | 27 | 27 | 26 |
| Maizuru | 33 | 33 | 31 | 23 | 24 | 30 | 32 | 33 | 28 | 27 | 25 | 24 | 25 | 30 | 33 | 31 | 28 | 26 | 25 | 24 | 25 | 28 | 31 | 30 | 27 | 25 | 25 |
| Kyoto | 30 | 31 | 31 | 24 | 24 | 27 | 30 | 30 | 27 | 26 | 25 | 23 | 24 | 27 | 29 | 31 | 29 | 28 | 27 | 26 | 26 | 29 | 31 | 29 | 28 | 29 | 27 |
| Osaka | 30 | 29 | 30 | 24 | 24 | 27 | 29 | 30 | 27 | 26 | 25 | 24 | 24 | 29 | 29 | 28 | 27 | 27 | 26 | 26 | 26 | 29 | 29 | 30 | 27 | 27 | 26 |
| Toyo-oka | 31 | 31 | 32 | 23 | 23 | 29 | 31 | 28 | 26 | 25 | 24 | 23 | 24 | 28 | 31 | 31 | 28 | 27 | 25 | 24 | 24 | 28 | 32 | 31 | 28 | 27 | 25 |
| Kobe | 29 | 32 | 30 | 24 | 25 | 27 | 29 | 29 | 26 | 25 | 25 | 25 | 26 | 28 | 32 | 30 | 27 | 27 | 26 | 26 | 26 | 29 | 30 | 29 | 27 | 27 | 27 |
| Nara | 30 | 31 | 30 | 23 | 23 | 27 | 30 | 29 | 27 | 25 | 24 | 23 | 24 | 29 | 31 | 30 | 28 | 26 | 26 | 25 | 25 | 28 | 29 | 30 | 28 | 26 | 26 |
| Wakayama | 31 | 32 | 30 | 23 | 23 | 28 | 29 | 31 | 29 | 27 | 26 | 26 | 26 | 31 | 32 | 30 | 28 | 28 | 27 | 26 | 26 | 29 | 29 | 30 | 28 | 28 | 27 |
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.
