Transcription of UV X IND - epa.gov
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UV X IND - epa.gov
UVA GUIDE TO THEINDEX1-23-56-78-1011+ The Ultraviolet (UV) Index, developed in 1994by the National Weather Service (NWS) and Environmental Protection Agency (EPA),helps Americans plan outdoor activities to avoidoverexposure to UV radiation and thereby lowertheir risk of adversehealth effects. UV radia-tion exposure is a riskfactor for skin cancer,cataracts, and other ill-nesses. The incidence ofskin cancer, includingmelanoma, has increasedsignificantly in the UnitedStates since the early1970s. The UV Index is INCIDENCE IN THE UNITED STATES(per 100,000 people)Source: National Cancer Institute SEER ProgramThe UV Index is a useful tool to help the general public take steps toreduce their exposure to solar UV radiation, but its effectiveness dependson how well the information is communicated to thepublic. This brochure provides important information onnew reporting guidelines for solar ultraviolet is intended to assist communicators in several fields meteorology, public health, education, and the news media in conveying UV information to the public.
1,000-foot increase in elevation due to thinner mountain air. CLOUD COVER, if heavy, can block most UV radiation. Thin or broken clouds allow most UV rays through. Puffy, fair-weather clouds deflect rays and can increase UV radiation reaching the surface. OZONE absorbs UV radiation. The higher the amount of ozone, the fewer rays reach the surface.
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