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  1. The UV Index Explained - WebMD

  2. Learn About the UV Index | US EPA

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  4. What is the UV index and how is it calculated? | HowStuffWorks

  5. UV Index Scale | US EPA - U.S. Environmental Protection Agency

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    The UV Index scale used in the United States conforms with international guidelines for UVI reporting established by the World Health Organization. Learn how to read the UV index Scale to help you avoid harmful exposure to UV radiation. No protection needed. You can safely stay outside using minimal sun protection. Protection needed.
    Many factors can influence the UV index. They include: Time of day. UV radiation peaks during the middle of the day. It eases up in the early morning and late afternoon. Cloud cover. If there’s heavy cover, it can block most UV radiation. If the clouds are thin or broken, most UV rays get through.
    You can think of the UV index as a scale from 1 (very little UV radiation expected) to roughly 10. In some cases, it can go higher than 10, with 11+ being defined as “extreme” UV exposure. Here is how the World Health Organization desc ribes the different levels: UV index of 1-2: No sun protection is required.
    UV index is a color-coded scale that gives you an idea of your UV ray exposure. It works like this: The index only predicts levels of UV radiation – not how hot it’ll be outside. It gives you a forecast of the UV level at noon, when the sun tends to be highest in the sky. That said, the UV level rises and falls as the day goes on.
  7. The UV Index | US EPA - U.S. Environmental Protection Agency

  8. UV Index: Definition, Physiological Risk, Recommendation

  9. UV Index and Skin Cancer: Things You Need to Know

  10. Understanding the UV Index—and What It Means for Your Health

  11. Ultraviolet - Wikipedia

    ІНТЕРНЕТ2 трав. 2024 р. · The WHO-standard ultraviolet index is a widely publicized measurement of total strength of UV wavelengths that cause sunburn on human skin, by weighting UV exposure for …

  12. What the UV Index Actually Means | Lifehacker

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