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由於持續酷熱及潮濕會對人帶來危險, 美國介定了一個酷熱指數(Heat
Index).此指數能量度在高溫及潮濕的環境下人感覺到的真正溫度。.
酷熱指數(攝氏)可用下列公式求得:
(-42.379+2.04901523*(T)+10.14333127*(RH)-0.22475541*(T)(RH)-6.83783*10-3*(T2)-5.481717*10-2*(RH2)+1.22874*10-3*(T2)(RH)+8.5282*10-4*(T)(RH2)-1.99*10-6*(T2)(RH2))-32)*5/9
T=氣溫(攝氏)*9/5+32
RH=相對濕度(%)
相對濕度 (%)
氣溫 (℃) |
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
| 28 |
28.2 |
28.6 |
29.1 |
29.7 |
30.2 |
30.9 |
31.6 |
32.3 |
33.1 |
33.9 |
34.7 |
| 29 |
29.5 |
30.1 |
30.8 |
31.6 |
32.5 |
33.4 |
34.4 |
35.5 |
36.7 |
37.9 |
39.3 |
| 30 |
31.0 |
31.9 |
32.8 |
33.9 |
35.0 |
36.3 |
37.7 |
39.1 |
40.7 |
42.4 |
44.2 |
| 31 |
31.9 |
32.9 |
33.9 |
35.1 |
36.4 |
37.9 |
39.4 |
41.1 |
42.9 |
44.8 |
46.8 |
| 32 |
33.8 |
35.0 |
36.3 |
37.8 |
39.4 |
41.2 |
43.2 |
45.3 |
47.5 |
49.9 |
52.4 |
| 33 |
35.8 |
37.3 |
39.0 |
40.8 |
42.8 |
44.9 |
47.3 |
49.8 |
52.5 |
55.4 |
58.4 |
| 34 |
38.2 |
39.9 |
41.9 |
44.0 |
46.4 |
49.0 |
51.7 |
54.7 |
57.9 |
61.3 |
64.8 |
| 35 |
40.7 |
42.7 |
45.1 |
47.6 |
50.3 |
53.3 |
56.5 |
60.0 |
63.7 |
67.6 |
71.7 |
| 36 |
42.0 |
44.3 |
46.7 |
49.5 |
52.4 |
55.6 |
59.1 |
62.8 |
66.7 |
70.9 |
75.3 |
| 37 |
44.9 |
47.5 |
50.3 |
53.4 |
56.8 |
60.5 |
64.4 |
68.6 |
73.1 |
77.8 |
82.8 |
| 38 |
48.0 |
50.9 |
54.2 |
57.7 |
61.5 |
65.7 |
70.1 |
74.8 |
79.8 |
85.1 |
90.7 |
| 39 |
51.3 |
54.6 |
58.3 |
62.3 |
66.6 |
71.2 |
76.1 |
81.4 |
87.0 |
92.9 |
99.1 |
| 40 |
54.8 |
58.5 |
62.6 |
67.1 |
71.9 |
77.0 |
82.5 |
88.3 |
94.5 |
101.0 |
107.9 |
註: >30 加 倍 小 心 /
>40 危 險 /
>55 非 常 危 險
註: 留 意 在 日 照 下 的 酷 熱 指 數 會 較 表 中 之 數 值 高 出 約 8 度.
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