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