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When are the sun's rays the strongest?

Dr. Doris Day, MD
Dermatology
Stay out of the sun between 10 a.m. and 3 p.m.

The sun’s most dangerous burning rays are Ultra Violet B. These are called UVB for short. Think “B for burning.” UVB rays are strongest between the hours of 10 a.m. and 3 p.m. Make every effort to minimize your time outdoors during these hours. And remember, the closer you live to the equator, the stronger the sun's rays for more hours in the day, since there is more daylight time in these areas. The sun is also stronger at higher altitudes. In addition, snow, sand, and water reflect the sun's rays and greatly increase their intensity. If you ski or if you go to the beach, do everything you reasonably can to shield and protect yourself from the sun’s rays.

 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.