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North America

Minneapolis Minneapolis Bismarck Bismarck Chicago Chicago Appleton Appleton Sault Ste. Marie Sault Ste. Marie Detroit Detroit Columbus Columbus Indianapolis Indianapolis St. Louis St. Louis Des Moines Des Moines Wichita Wichita Rapid Rapid Fargo Fargo Scottsbluff Scottsbluff Lexington Lexington Chamberlain Chamberlain uv index  North America Forecast maps
Last updated: We, 27 Oct, 10:04 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 exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area. The Sun Index forecast refers to the daily maximum.