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UV Index The ozone layer shields the Earth from harmful UV radiation. Ozone depletion, weather, and the seasons cause different amounts of UV radiation to reach the Earth. The National Weather Service (NWS) and EPA made the UV Index. It predicts the next day's UV levels on a 0-11+ scale that help people decide what to do to keep them safe from the sun. You can find out what the UV Index forecast is where you live by visiting this page and entering your zip code. What follows is a description of each UV Index level and tips you can give to help people prepare. 2 or less: LowA UV Index reading of 2 or less means low danger from the
sun's UV rays for the average person:
Look Out Below Snow and water can reflect the sun's rays. Skiers and swimmers should take special care. Wear sunglasses or goggles, and apply sunscreen with an SPF of at least 15. Remember to protect areas that could be exposed to UV rays by the sun's reflection, including under the chin and nose. 3 to 5: ModerateA UV Index reading of 3 to 5 means moderate risk of harm from unprotected
sun exposure.
Me and My ShadowAn easy way to tell how much UV exposure you are getting is to look for your shadow:
6 to 7: HighA UV Index reading of 6 to 7 means high risk of harm from unprotected
sun exposure. Apply a sunscreen with a SPF of at least 15. Wear a wide-brim
hat and sunglasses to protect your eyes:
Made in the ShadesWearing sunglasses protects the lids of your eyes as well as the lens. 8 to 10: Very HighA UV Index reading of 8 to 10 means very high risk of harm from unprotected
sun exposure. Minimize sun exposure during midday hours, from 10 a.m.
to 4 p.m. Protect yourself by liberally applying a sunscreen with an SPF
of at least 15. Wear protective clothing and sunglasses to protect the
eyes:
Stay in the GameBe careful during routine outdoor activities such as gardening or playing sports. Remember that UV exposure is especially strong if you are working or playing between the peak hours of 10 a.m. and 4 p.m. Don't forget that spectators, as well as participants, need to wear sunscreen and eye protection to avoid too much sun. 11+ ExtremeA UV Index reading of 11+ means extreme risk of harm from unprotected
sun exposure. Minimize sun exposure during midday hours, from 10 a.m.
to 4 p.m. Apply sunscreen with an SPF of at least 15 liberally every 2
hours:
Beat the HeatIf possible, stay indoors on days when the UV Index is very high. Take the opportunity to relax with a good book rather than risk dangerous levels of sun exposure. Try not to pursue outdoor activities, whether at work or at play, unless protected with sunscreen, hat, and sunglasses. |
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