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Inuvik Inuvik Norman Wells Norman Wells Yellowknife Yellowknife Ulukhaktok Ulukhaktok Prince Patrick Prince Patrick Coppermine Coppermine Cambridge B.AP Cambridge B.AP Fort Simpson Fort Simpson Hanbury River Hanbury River Hay River Hay River Fort Smith Fort Smith Gamèti Gamèti Cape Parry Cape Parry Rabbit Kettle Rabbit Kettle Lupin Lupin Thomsen River Thomsen River Colville Lake Colville Lake uv index Northwest Territories North America Forecast maps
Last updated: Fr, 19 Apr, 15:58 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.