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  2. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    Generously apply broad spectrum SPF 50+ sunscreen every 1.5 hours, even on cloudy days, and after swimming or sweating. Bright surfaces, such as sand, water, and snow, will increase UV exposure. 6–7: Orange "High" A UV index reading of 6 to 7 means high risk of harm from unprotected sun exposure. Protection against skin and eye damage is needed.

  3. UV index: Levels explained and how to protect yourself - AOL

    www.aol.com/news/uv-index-levels-explained...

    How to be sun savvy and get the right level of protection from UV rays. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...

  4. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    This impact likely occurs through UV-induced changes in brain chemistry, potentially altering neurotransmitter systems and neuroplasticity. UV exposure might, for example, affect serotonin levels, which play a significant role in mood regulation and cognitive functions. This hormonal effect can helps stabilize circadian rhythms.

  5. Should You Tan When the UV Index Is High? What ... - AOL

    www.aol.com/lifestyle/tan-uv-index-high...

    The latest TikTok tanning trend involves monitoring the UV index and timing sunbathing sessions to when it's high, but experts say that exposing yourself to strong ultraviolet rays is a bad idea.

  6. TikTok’s ‘UV Index Tanning’ Craze Can Age Your Skin and ...

    www.aol.com/tiktok-uv-index-tanning-craze...

    When exposed to UV light, the skin’s DNA changes at a cellular level, and it may take many years before damage to the skin is noticed. Dark patches on the face, called melasma , and freckles are ...

  7. National Severe Weather Warning Service - Wikipedia

    en.wikipedia.org/wiki/National_severe_weather...

    The Met Office is monitoring the developing weather situation and Yellow means to keep an eye on the latest forecast and be aware that the weather may change or worsen, leading to disruption of plans within the next few days. Amber: Be Prepared. There is an increased likelihood of severely or extremely bad weather affecting people in the area ...

  8. Light skin - Wikipedia

    en.wikipedia.org/wiki/Light_skin

    Light-skinned people living in high sunlight environments are more susceptible to the harmful UV rays of sunlight because of the lack of melanin produced in the skin. The most common risk that comes with high exposure to sunlight is the increased risk of sunburns. This increased risk has come along with the cultural practice of sunbathing ...

  9. Unified Model - Wikipedia

    en.wikipedia.org/wiki/Unified_model

    The Met Office's North Atlantic and European model (NAE) model had 70 levels with a 12 km resolution. [11] It is run out to 48 hours from start. Because the UK is at a northern latitude the computer transposes the model area to an equatorial location so the grid points give an area that is more square.