WBGT information

Wikipedia https://en.wikipedia.org/wiki/Wet-bulb_globe_temperature

WBGT guideline (Japan) http://www.wbgt.env.go.jp/en/wbgt.php

WBGT Guideline (United States) https://www.weather.gov/rah/WBGT

WBGT survey for 2020 Olympic games (Ministry of the Environment) http://www.wbgt.env.go.jp/survey_tokyo2020.php
Since above information is provided only in Japanese, we designed downloadable English versions with permission by the Ministry of the Environment.