Protocol 2-550-50 - Hyperthermia - Heat Index Chart

CMH EMS & MIH Protocols

Note: Heat exhaustion can occur in less than 30 minutes when heat index is above 103° F.

Temperature
Relative
Humidity		 80° F 82° F 84° F 86° F 88° F 90° F 92° F 94° F 96° F 98° F 100° F 102° F 104° F 106° F 106° F 110° F
40% 80 81 83 85 88 91 94 97 101 105 109 114 119 124 130 136
45% 80 82 84 87 89 93 96 100 104 109 114 119 124 130 137  
50% 81 83 85 88 91 95 99 103 108 113 118 124 131 137    
55% 81 84 86 89 93 97 101 106 112 117 124 130 137      
60% 82 84 88 91 95 100 105 110 116 123 129 137        
65% 82 85 89 93 98 103 108 114 121 128 136          
70% 83 86 90 95 100 105 112 119 126 134            
75% 84 88 92 97 103 109 116 124 132              
80% 84 89 94 100 106 113 121 129                
85% 85 90 96 102 110 117 126 135                
90% 86 91 98 105 113 122 131                  
95% 86 93 100 108 117 127                    
100% 87 95 103 112 121 132                    

NEMSIS Protocol: 9914029 - Environmental-Heat Stroke/Hyperthermia

Citations:

Change Log:

DateLink to
previous
version		Description of change
07/12/20Moved this section from 2-550created a new page.
06/06/21pdfMoved to emsprotocols.online
10/15/21Renumbered from 2-550-01 to 2-550-50.

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