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