How to stay cool in a heat wave even without air conditioning
Summary
Many parts of the U.S. are experiencing dangerous heat waves made worse by climate change. Health experts advise ways to stay cool without air conditioning, such as using fans, creating cool spots at home, and visiting public places with air conditioning.Key Facts
- Heat waves are becoming more severe and affect people’s health, especially children, older adults, and those with health issues.
- The wet bulb globe temperature (WBGT) is a detailed way to measure heat danger by including temperature, humidity, wind, and cloud cover.
- High overnight temperatures that don’t drop below 75°F (24°C) increase risks of heat illness and death.
- Air conditioning helps, but not everyone can afford it; creating a "cool corner" at home can reduce risks.
- Evaporative coolers work in dry heat but raise humidity, which can make cooling harder.
- Fans are better in humid areas where evaporation doesn’t work well.
- Public spaces like malls, libraries, and cooling centers offer air-conditioned relief.
- Assistance programs may help low-income people get window air conditioning units.
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