Table 3 Grading standards for the human comfort index established by the China Meteorological Administration
Level | Rank | Index | Body sensation |
|---|---|---|---|
Cold and uncomfortable | 1 | ICHB ≤ 25 | Cold, feeling very uncomfortable, with the risk of frostbite |
2 | 25 <ICHB ≤ 38 | Cold, most people feel uncomfortable | |
3 | 38 <ICHB ≤ 50 | Cold, some people may feel uncomfortable | |
Comfortable | 4 | 50 <ICHB ≤ 55 | Cool, but most people feel uncomfortable |
5 | 55 <ICHB ≤ 70 | Comfortable, which is felt by the majority of people | |
6 | 70 <ICHB ≤ 75 | Warm and cozy, most people feel comfortable | |
Hot and uncomfortable | 7 | 75 <ICHB ≤ 80 | Hot, a few people are feeling uncomfortable |
8 | 80 <ICHB ≤ 85 | Hot, and most people felt uncomfortable | |
9 | 85 <ICHB | The extreme heat is intolerable, resulting in significant discomfort |
