Heat Stress Warnings and Precautions
- Temperatures above 90º can cause heat stress, which can be fatal; at these temperatures, a fan without air conditioning will increase heat stress rather than reduce it.
- High humidity increases the risk of heat stress.
- Drink plenty of water; avoid alcohol and caffeine (coffee, tea, chocolate) which increase fluid loss.
- Plan strenuous outdoor activities for early or very late in the day to avoid the hottest hours; take frequent breaks when working outdoors.
- Stay in an air-conditioned environment as much as possible; visit a shopping mall or other public area if you do not have an air conditioner.
- Check on vulnerable friends and neighbors (very young, elderly, disabled or chronically ill) to ensure their health during times of extreme heat.
- At first sign of heat illness (see below), move to a cooler place, rest for a few minutes, and slowly drink a cool beverage. Seek medical attention if you don't feel better in an hour or two.
Symptoms of Heat Stress
Heat Exhaustion
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Heat Stroke
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