N

Thermo-Hydrometric Discomfort Index Class

DI/˚C

1

No discomfort

>21

2

Under 50% of the population feels discomfort

21 - 24

3

Over 50% of the population feels discomfort

24 - 27

4

Most of the population feels discomfort

27 - 29

5

Everyone feels stress

30 - 32

6

State of medical emergency

>32