Heat Stress

photo: heat stress table

When is injury most likely to occur?

How to Use

  1. Located predicted high temperature across top axis-locate humidity along side axis.
  2. Intersect two readings to find the Apparent Temp or "what it feels like."

Heat Index 90-100

Sun strok, heat cramps and heat exhaustion are possible with prolonged exposure and physical activity

Heat Index 101-129

Sun stroke, heat cramps and heat exhaustion are likely. Heat stroke is possible with prolonged exposure and physical activity.

Heat Index 120 - Higher

Heat stroke or sun stroke are imminent.