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North America

Miami Miami Houston Houston Washington Washington Raleigh Raleigh Augusta Augusta Birmingham Birmingham Little Rock Little Rock Oklahoma City Oklahoma City Dallas Dallas Odessa Odessa Louisville Louisville New Orleans New Orleans Jacksonville Jacksonville Harlingen Harlingen Knoxville Knoxville uv index  North America Forecast maps
Last updated: We, 27 Oct, 01:09 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.