ultravioletindeks in Annisquam (3 mi.) | ultravioletindeks in Gloucester Harbor (4 mi.) | ultravioletindeks in Essex (8 mi.) | ultravioletindeks in Plum Island South (10 mi.) | ultravioletindeks in Plum Island (Merrimack River Entrance) (15 mi.) | ultravioletindeks in Salem (16 mi.) | ultravioletindeks in Newburyport (17 mi.) | ultravioletindeks in Salisbury Point (19 mi.) | ultravioletindeks in Hampton Harbor (19 mi.) | ultravioletindeks in Lynn (22 mi.) | ultravioletindeks in Merrimacport (22 mi.) | ultravioletindeks in Gosport Harbor (Isles Of Shoals) (22 mi.) | ultravioletindeks in Riverside (Haverhill) (24 mi.) | ultravioletindeks in Boston Light (27 mi.) | ultravioletindeks in Deer Island (South End) (28 mi.) | ultravioletindeks in Jaffrey Point (28 mi.) | ultravioletindeks in Chelsea (28 mi.) | ultravioletindeks in Gerrish Island (29 mi.) | ultravioletindeks in Fort Point (29 mi.) | ultravioletindeks in Hull (29 mi.)