ultraviolet index in Charlestown (Charles River Entrance) (1.3 mi.) | ultraviolet index in Chelsea (2.6 mi.) | ultraviolet index in Amelia Earhart Dam (Mystic River) (3 mi.) | ultraviolet index in Moon Head (4 mi.) | ultraviolet index in Deer Island (South End) (5 mi.) | ultraviolet index in Neponset (Neponset River) (5 mi.) | ultraviolet index in Nut Island (7 mi.) | ultraviolet index in Hull (7 mi.) | ultraviolet index in Boston Light (8 mi.) | ultraviolet index in Weymouth Fore River (8 mi.) | ultraviolet index in Lynn (9 mi.) | ultraviolet index in Crow Point (Hingham Harbor Entrance) (10 mi.) | ultraviolet index in Hingham (11 mi.) | ultraviolet index in Nantasket Beach (Weir River) (11 mi.) | ultraviolet index in Salem (15 mi.) | ultraviolet index in Cohasset Harbor (White Head) (15 mi.) | ultraviolet index in Scituate (20 mi.) | ultraviolet index in Damons Point (North River) (21 mi.) | ultraviolet index in Essex (24 mi.) | ultraviolet index in Gloucester Harbor (27 mi.)