Avoid strenuous activity. Reduce, eliminate or reschedule strenuous activities. High-risk individuals should stay in cool places. Many heat emergencies are experienced by people exercising or working during the hottest part of the day. Avoid too much sunshine.
Sunburn slows the skin's ability to cool itself.
The sun will also heat the inner core of your body, resulting in dehydration. Postpone outdoor games and activities. Extreme heat can threaten the health of athletes, staff, and spectators of outdoor games and activities. Avoid extreme temperature changes. A cool shower immediately after coming in from hot temperatures can result in hypothermia, particularly for elderly and very young people.