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Maximum work load vs. temperature and relative humidity.
Heat Discomfort Zones
|Temperature||Maximum Recommended Work Load|
|Relative Humidity (%)|
|80 ||27 ||Very Heavy ||Very Heavy ||Very Heavy ||Heavy |
|90 ||32 ||Very Heavy ||Heavy ||Moderate ||Light |
|100 ||38 ||Heavy ||Moderate ||Light ||Not recommended |
|110 ||43 ||Moderate ||Light ||Not recommended ||Not recommended |
|120 ||49 ||Light ||Not recommended ||Not recommended ||Not recommended |
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- Equivalent heat index vs. air temperature and relative humidity - in degrees Fahrenheit and Celsius.
- The influence of humidity on the apparent temperature and the heat index.
- Human work effort levels vs. energy expenditure and associated heart rates.
- Heat gain from persons in air conditioned spaces - in btu/hr.
- Human metabolic heat gain in air conditioned rooms.
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