ultraviolet index in Peak Island (0.8 mi.) | ultraviolet index in Portland Head Light (1.5 mi.) | ultraviolet index in Great Diamond Island (1.8 mi.) | ultraviolet index in Portland (2.6 mi.) | ultraviolet index in Vaill Island (3 mi.) | ultraviolet index in Cow Island (3 mi.) | ultraviolet index in Long Island (3 mi.) | ultraviolet index in Back Cove (4 mi.) | ultraviolet index in Presumpscot River (4 mi.) | ultraviolet index in Fore River (4 mi.) | ultraviolet index in Cliff Island (Luckse Sound) (6 mi.) | ultraviolet index in Great Chebeague Island (6 mi.) | ultraviolet index in Falmouth Foreside (6 mi.) | ultraviolet index in Doyle Point (8 mi.) | ultraviolet index in Prince Point (8 mi.) | ultraviolet index in Pine Point (Scarborough River) (10 mi.) | ultraviolet index in South Harpswell (Potts Harbor) (11 mi.) | ultraviolet index in Old Orchard Beach (12 mi.) | ultraviolet index in South Freeport (13 mi.) | ultraviolet index in Camp Ellis (Saco River Entrance) (16 mi.)