ultraviolett index i Plum Island (Merrimack River Entrance) (5 mi.) | ultraviolett index i Newburyport (6 mi.) | ultraviolett index i Salisbury Point (6 mi.) | ultraviolett index i Merrimacport (10 mi.) | ultraviolett index i Gosport Harbor (Isles Of Shoals) (12 mi.) | ultraviolett index i Squamscott River Rr. Bridge (12 mi.) | ultraviolett index i Jaffrey Point (12 mi.) | ultraviolett index i Plum Island South (13 mi.) | ultraviolett index i Portsmouth (13 mi.) | ultraviolett index i Fort Point (13 mi.) | ultraviolett index i Gerrish Island (13 mi.) | ultraviolett index i Seavey Island (13 mi.) | ultraviolett index i Atlantic Heights (14 mi.) | ultraviolett index i Kittery Point (14 mi.) | ultraviolett index i Riverside (Haverhill) (15 mi.) | ultraviolett index i Seapoint (Cutts Island) (15 mi.) | ultraviolett index i Dover Point (15 mi.) | ultraviolett index i Annisquam (18 mi.) | ultraviolett index i Essex (18 mi.) | ultraviolett index i York Harbor (19 mi.)