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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 Oct 8 8:00
Sapporo
16.8
Aomori
16.2
Akita
14.8
Morioka
13.5
Sendai
16.9
Yamagata
15.7
Fukushima
15.0
Mito
16.1
Utsunomiya
17.1
Maebashi
14.7
Kumagaya
15.3
Tokyo
14.6
Choshi
18.5
Yokohama
17.6
Nagano
12.5
Kofu
16.2
Shizuoka
19.9
Nagoya
16.9
Gifu
15.8
Tsu
17.3
Niigata
16.6
Toyama
16.3
Kanazawa
16.8
Fukui
15.2
Hikone
17.7
Kyoto
15.1
Osaka
14.8
Kobe
18.4
Nara
16.1
Wakayama
16.8
Okayama
16.5
Hiroshima
12.8
Matsue
15.2
Tottori
16.3
Shimonoseki
18.1
Tokushima
17.8
Takamatsu
17.7
Matsuyama
17.3
Kochi
17.1
Fukuoka
19.2
Oita
18.8
Nagasaki
14.6
Saga
18.0
Kumamoto
18.1
Miyazaki
18.2
Kagoshima
19.4
Naha
21.6
Daily Maximum WBGT and Forecast
| 10/08 | 10/09 | 10/10 | 10/08 09 | 10/08 12 | 10/08 15 | 10/08 18 | 10/08 21 | 10/08 24 | 10/09 03 | 10/09 06 | 10/09 09 | 10/09 12 | 10/09 15 | 10/09 18 | 10/09 21 | 10/09 24 | 10/10 03 | 10/10 06 | 10/10 09 | 10/10 12 | 10/10 15 | 10/10 18 | 10/10 21 | 10/10 24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Taiza | 19 | 24 | 24 | 18 | 19 | 18 | 15 | 15 | 15 | 16 | 17 | 21 | 24 | 22 | 19 | 18 | 18 | 17 | 15 | 22 | 24 | 23 | 21 | 20 | 19 |
| Miyazu | 22 | 24 | 24 | 20 | 22 | 20 | 13 | 12 | 11 | 11 | 11 | 21 | 24 | 23 | 17 | 17 | 15 | 14 | 14 | 22 | 24 | 23 | 19 | 17 | 15 |
| Maizuru | 21 | 24 | 25 | 17 | 21 | 21 | 16 | 14 | 13 | 12 | 12 | 17 | 23 | 24 | 19 | 17 | 15 | 14 | 13 | 20 | 24 | 25 | 20 | 17 | 15 |
| Fukuchiyama | 22 | 24 | 24 | 17 | 22 | 21 | 16 | 13 | 12 | 12 | 12 | 17 | 22 | 24 | 19 | 16 | 13 | 12 | 12 | 20 | 24 | 24 | 20 | 17 | 15 |
| Miyama | 21 | 24 | 23 | 16 | 21 | 20 | 14 | 12 | 12 | 11 | 12 | 18 | 23 | 24 | 17 | 14 | 13 | 12 | 12 | 19 | 23 | 21 | 17 | 16 | 14 |
| Sonobe | 22 | 24 | 24 | 17 | 22 | 21 | 15 | 12 | 10 | 10 | 11 | 19 | 23 | 24 | 17 | 15 | 13 | 11 | 12 | 19 | 23 | 24 | 18 | 15 | 14 |
| Kyoto | 22 | 25 | 24 | 18 | 21 | 22 | 18 | 15 | 15 | 15 | 16 | 21 | 25 | 24 | 20 | 18 | 17 | 16 | 16 | 22 | 24 | 23 | 21 | 19 | 17 |
| Kyotanabe | 22 | 23 | 24 | 18 | 21 | 22 | 16 | 14 | 13 | 13 | 14 | 21 | 23 | 23 | 18 | 17 | 14 | 13 | 13 | 20 | 23 | 24 | 19 | 17 | 16 |
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.
