ultraviolet index in Wychmere Harbor (0.4 mi.) | ultraviolet index in Dennisport (3 mi.) | ultraviolet index in Chatham (Stage Harbor) (5 mi.) | ultraviolet index in Chatham (6 mi.) | ultraviolet index in Pleasant Bay (6 mi.) | ultraviolet index in South Yarmouth (Bass River) (6 mi.) | ultraviolet index in Sesuit Harbor (East Dennis) (8 mi.) | ultraviolet index in Barnstable Harbor (Beach Point) (12 mi.) | ultraviolet index in Hyannis Port (13 mi.) | ultraviolet index in Wellfleet (18 mi.) | ultraviolet index in Great Point (19 mi.) | ultraviolet index in Cotuit Highlands (20 mi.) | ultraviolet index in Poponesset Island (Poponesset Bay) (22 mi.) | ultraviolet index in Sandwich (24 mi.) | ultraviolet index in Sagamore (Cape Cod Canal, sta. 115) (26 mi.) | ultraviolet index in Muskeget Island (North Side) (26 mi.) | ultraviolet index in Nantucket Island (27 mi.) | ultraviolet index in Bournedale (Cape Cod Canal, sta. 200) (27 mi.) | ultraviolet index in Provincetown (27 mi.) | ultraviolet index in Eel Point (27 mi.)