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