ultraviolet index in Annisquam (5 mi.) | ultraviolet index in Plum Island South (5 mi.) | ultraviolet index in Gloucester Harbor (6 mi.) | ultraviolet index in Rockport (8 mi.) | ultraviolet index in Salem (9 mi.) | ultraviolet index in Plum Island (Merrimack River Entrance) (13 mi.) | ultraviolet index in Newburyport (14 mi.) | ultraviolet index in Lynn (15 mi.) | ultraviolet index in Salisbury Point (16 mi.) | ultraviolet index in Merrimacport (17 mi.) | ultraviolet index in Riverside (Haverhill) (17 mi.) | ultraviolet index in Hampton Harbor (18 mi.) | ultraviolet index in Chelsea (21 mi.) | ultraviolet index in Deer Island (South End) (22 mi.) | ultraviolet index in Boston Light (22 mi.) | ultraviolet index in Amelia Earhart Dam (Mystic River) (22 mi.) | ultraviolet index in Charlestown (Charles River Entrance) (23 mi.) | ultraviolet index in Boston (24 mi.) | ultraviolet index in Hull (24 mi.) | ultraviolet index in Moon Head (25 mi.)