ultraviolet indeks i Newburyport (2.3 mi.) | ultraviolet indeks i Merrimacport (4 mi.) | ultraviolet indeks i Plum Island (Merrimack River Entrance) (5 mi.) | ultraviolet indeks i Hampton Harbor (6 mi.) | ultraviolet indeks i Riverside (Haverhill) (9 mi.) | ultraviolet indeks i Plum Island South (11 mi.) | ultraviolet indeks i Squamscott River Rr. Bridge (15 mi.) | ultraviolet indeks i Essex (16 mi.) | ultraviolet indeks i Annisquam (17 mi.) | ultraviolet indeks i Gosport Harbor (Isles Of Shoals) (18 mi.) | ultraviolet indeks i Jaffrey Point (18 mi.) | ultraviolet indeks i Portsmouth (19 mi.) | ultraviolet indeks i Seavey Island (19 mi.) | ultraviolet indeks i Atlantic Heights (19 mi.) | ultraviolet indeks i Fort Point (19 mi.) | ultraviolet indeks i Rockport (19 mi.) | ultraviolet indeks i Gerrish Island (19 mi.) | ultraviolet indeks i Dover Point (20 mi.) | ultraviolet indeks i Kittery Point (20 mi.) | ultraviolet indeks i Gloucester Harbor (20 mi.)