ultravioletindeks in Mad River Slough (Arcata Bay) (13 mi.) | ultravioletindeks in Arcata Wharf (14 mi.) | ultravioletindeks in Samoa (16 mi.) | ultravioletindeks in Eureka Slough Bridge (17 mi.) | ultravioletindeks in Eureka (17 mi.) | ultravioletindeks in Bucksport (19 mi.) | ultravioletindeks in North Spit (Humboldt Bay) (20 mi.) | ultravioletindeks in Elk River Railroad Bridge (21 mi.) | ultravioletindeks in Fields Landing (23 mi.) | ultravioletindeks in Hookton Slough (26 mi.) | ultravioletindeks in Crescent City (48 mi.)