The UV Index provides a daily forecast of the expected risk of overexposure to the sun. The Index predicts UV intensity levels on a scale of 1 to 11+, where 1 indicates a low risk of overexposure and 11+ signifies an extreme risk. The UV Index takes into account clouds and other local conditions that affect the amount of UV radiation reaching the ground in different parts of the country. If the UV Index for your area is greater than 4, a UV Alert is issued encouraging people to take extra precautions in avoiding overexposure to sun.
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