Table 2 Wet bulb globe temperature categories and corresponding heat stress levels.
From: Changes in wet bulb globe temperature and risk to heat-related hazards in Bangladesh
Category | WBGT (°C) | Event conditions |
|---|---|---|
1 | 25.6 − 27.8 | Good conditions or no stress |
2 | 27.8 − 29.4 | Less than ideal conditions or mild risk |
3 | 29.4 − 31.1 | Moderate risk of heat-related illness |
4 | 31.1 − 32.2 | High risk of heat-related illness |
5 | > 32.2 | Extreme conditions |
