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Lihue Lihue Honolulu/Oahu Honolulu/Oahu Kahului/Maui Kahului/Maui Hilo/Hawaii Hilo/Hawaii Molokai Molokai Honokaa Honokaa South Pt/Hawaii South Pt/Hawaii uv index Hawaii Oceania Forecast maps
Last updated: Su, 27 May, 13:40 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.