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Where You Live
UV Index
The ozone layer shields the Earth from harmful UV radiation. Ozone depletion,
as well as seasonal and weather variations, cause different amounts of UV
radiation to reach the Earth at any given time. Developed by the National
Weather Service (NWS) and EPA, the UV Index predicts
the next day's ultraviolet radiation levels on a 1-11+ scale, helping people
determine appropriate sun-protective behaviors. EPA will issue a UV
Alert when the level of solar UV radiation is predicted to be unusually
high, and consequently the risk of overexposure is greater.
Today's UV Index
The UV Index is calculated daily. Enter
your zip code or city and state below for today's UV Index in your area.
(Not available for Alaska and Hawaii.) If a UV
Alert is in effect for your area, that information is included with
the UV Index.
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