UV index


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UV index

 (yo͞o′vē′)
n.
A scale ranging from zero to eleven or above, used to estimate the risk for sunburn on a given day in a specific location at midday, taking into account conditions such as cloud cover and the amount of ozone.

UV index

(yo͞o′vē′)
A scale ranging from zero to ten, used to estimate the risk for sunburn in midday sunlight. The UV index takes into account conditions such as the amount of cloud cover and ozone in the atmosphere.
References in periodicals archive ?
WHO (World Health Organization), 2002, Global Solar UV index: A practical guide, World health organization, Geneva, Switzerland.
N Check the UV index forecast for the UK and Europe at www.met-office.gov.uk.
The Met Office's Solar UV Index is six or seven for most of England and Wales for the first three days of the week.
The Met Office's Solar UV Index could also hit seven over the first three days of the week, which means the risk of damage to your skin if you are fair and burn is very high.
Know your skin type and use the UV index to find out when you need to protect yourself.
Three-quarters of a group of 1,000 Britons reported that they were confused by the UV Index used on television weather forecasts and Web sites.
Over-exposure to the ultra-violet rays, measured by the UV Index, can cause skin cancer.
SunWise offers a "toolkit" of lesson ideas, a website including a UV Index with information about the dangers of various degrees of UV exposure, a video, and other materials.
Present ultraviolet exposure figures - forming the UV index - are based on how much radiation hits a horizontal surface.
Environmental Protection Agency and National Weather Service predict the next day's levels of ultraviolet radiation (UV index).
The UV index measures the amount of UV radiation reaching the ground and takes into consideration factors such as time of year, altitude and latitude, and cloud cover.
Kinney said that he has helped convince school officials in his county to announce the UV index in schools each day.