This free OSHA quick card outlines the serious risks of heat illness and gives workers clear, practical steps to stay safe in hot conditions. It explains how heat exhaustion and heat stroke develop, lists key risk factors like humidity and heavy labor, and highlights early warning signs to watch for. The handout reinforces the importance of hydration, acclimatization, and emergency response, helping teams recognize when heat becomes a threat—and how to act before it’s too late.




