ultraviolet index in Cow Island (1.0 mi.) | ultraviolet index in Vaill Island (1.2 mi.) | ultraviolet index in Great Diamond Island (2.0 mi.) | ultraviolet index in Great Chebeague Island (2.6 mi.) | ultraviolet index in Peak Island (2.8 mi.) | ultraviolet index in Cliff Island (Luckse Sound) (3 mi.) | ultraviolet index in Falmouth Foreside (3 mi.) | ultraviolet index in Cushing Island (3 mi.) | ultraviolet index in Presumpscot River (4 mi.) | ultraviolet index in Portland (4 mi.) | ultraviolet index in Back Cove (5 mi.) | ultraviolet index in Doyle Point (5 mi.) | ultraviolet index in Prince Point (5 mi.) | ultraviolet index in Portland Head Light (5 mi.) | ultraviolet index in Fore River (7 mi.) | ultraviolet index in South Harpswell (Potts Harbor) (8 mi.) | ultraviolet index in South Freeport (10 mi.) | ultraviolet index in Pine Point (Scarborough River) (13 mi.) | ultraviolet index in Wilson Cove (Middle Bay) (13 mi.) | ultraviolet index in Old Orchard Beach (15 mi.)