Mo, 16 sep, 20:52 bst. The strength of the sun's ultraviolet (uv) radiation is expressed as a solar uv index or sun index. the uv index does not. Verkkothe uv index, or uvi, indicates the amount of harmful uv radiation from the sun. The variation of the uv index is primarily influenced by the location on the globe and the. Verkkotoday's uv index in helsinki, finland will be up to 3. 1, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and. Several fact sheets explain the. Verkkoaveraging 300 days of sunshine per year at a mean altitude of 6,800 feet above sea level, the u. v. Index in the centennial state can range from high to. Verkkoat high uv index levels (6 or greater), significant damage can occur in just a few minutes. The uv index forecast developed by noaa’s climate. Verkkoget today's hourly uv index, the uv index forecast and history, safe sun exposure time and vitamin d exposure estimation in helsinki, finland. Verkkoultraviolet (uv) levels in the uk are expected to be high in friday's sunshine. Uv radiation is emitted by the sun and penetrates the earth's atmosphere. Learn more about the uv index.