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World

North America

Ottawa UV index

Local Time Su Jul 25 Mo Jul 26 Tu Jul 27 We Jul 28
UV index 7 6 6 7


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.


Last updated: Su, 25 Jul, 13:02 BST

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