ultraviolet index in Fields Landing (2.5 mi.) | ultraviolet index in Elk River Railroad Bridge (5 mi.) | ultraviolet index in North Spit (Humboldt Bay) (6 mi.) | ultraviolet index in Bucksport (6 mi.) | ultraviolet index in Eureka (9 mi.) | ultraviolet index in Eureka Slough Bridge (9 mi.) | ultraviolet index in Samoa (10 mi.) | ultraviolet index in Arcata Wharf (13 mi.) | ultraviolet index in Mad River Slough (Arcata Bay) (13 mi.) | ultraviolet index in Trinidad Harbor (26 mi.) | ultraviolet index in Shelter Cove (47 mi.)