ultraviolet index in Eureka (1.3 mi.) | ultraviolet index in Samoa (2.1 mi.) | ultraviolet index in Arcata Wharf (3 mi.) | ultraviolet index in Bucksport (3 mi.) | ultraviolet index in Mad River Slough (Arcata Bay) (4 mi.) | ultraviolet index in Elk River Railroad Bridge (4 mi.) | ultraviolet index in North Spit (Humboldt Bay) (5 mi.) | ultraviolet index in Fields Landing (7 mi.) | ultraviolet index in Hookton Slough (9 mi.) | ultraviolet index in Trinidad Harbor (17 mi.) | ultraviolet index in Shelter Cove (54 mi.)