ultraviolet index in Noyo Harbor (14 mi.) | ultraviolet index in Mendocino (Mendocino Bay) (23 mi.) | ultraviolet index in Shelter Cove (31 mi.) | ultraviolet index in Point Arena (47 mi.) | ultraviolet index in Arena Cove (50 mi.) | ultraviolet index in Green Cove (67 mi.) | ultraviolet index in Hookton Slough (76 mi.) | ultraviolet index in Fields Landing (79 mi.) | ultraviolet index in Elk River Railroad Bridge (80 mi.) | ultraviolet index in North Spit (Humboldt Bay) (82 mi.)