ultraviolet index in Presumpscot River (1.0 mi.) | ultraviolet index in Portland (1.3 mi.) | ultraviolet index in Fore River (2.6 mi.) | ultraviolet index in Great Diamond Island (2.9 mi.) | ultraviolet index in Peak Island (3 mi.) | ultraviolet index in Cow Island (4 mi.) | ultraviolet index in Cushing Island (4 mi.) | ultraviolet index in Portland Head Light (4 mi.) | ultraviolet index in Long Island (5 mi.) | ultraviolet index in Falmouth Foreside (5 mi.) | ultraviolet index in Vaill Island (5 mi.) | ultraviolet index in Great Chebeague Island (7 mi.) | ultraviolet index in Prince Point (7 mi.) | ultraviolet index in Cliff Island (Luckse Sound) (8 mi.) | ultraviolet index in Doyle Point (8 mi.) | ultraviolet index in Pine Point (Scarborough River) (10 mi.) | ultraviolet index in Old Orchard Beach (12 mi.) | ultraviolet index in South Harpswell (Potts Harbor) (13 mi.) | ultraviolet index in South Freeport (13 mi.) | ultraviolet index in Biddeford (Saco River) (16 mi.)