Heat Index 90-105 F: Moderate risk (Heat exaustion)
Heat Index 105-130 F: High risk (Heatstroke risk)
Heat Index >130 F: Hazardous Conditions
IV. Measure: Wet Bulb Globe
Low Risk: <64 F (<18 C)
Moderate Risk: <73 F (<23 C)
High Risk: <82 F (<28 C)
Hazardous: >82 F (>28 C)
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FPnotebook.com is a rapid access, point-of-care medical reference for primary care and emergency clinicians. Started in 1995, this collection now contains 6643 interlinked topic pages divided into a tree of 31 specialty books and 726 chapters. Content is updated monthly with systematic literature reviews and conferences.
Although access to this website is not restricted, the information found here is intended for use by medical providers. Patients should address specific medical concerns with their physicians.
This page was written by Scott Moses, MD, last revised on 10/16/2013 and last published on 1/6/2019.