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Boston UV index

Local Time Sa Mar 24 Su Mar 25 Mo Mar 26 Tu Mar 27
UV index 2 3 3 1

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: Sa, 24 Mar, 07:29 GMT