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Johannesburg UV index

Local Time Mo Jan 17 Tu Jan 18 We Jan 19 Th Jan 20
UV index 11 11 12 12

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: Mo, 17 Jan, 14:54 GMT



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