ultraviolet index in Port Houghton (Robert Islands) (8 mi.) | ultraviolet index in Windham Bay (10 mi.) | ultraviolet index in Cleveland Passage (Whitney Island) (13 mi.) | ultraviolet index in North Shore Upper Endicott Arm (16 mi.) | ultraviolet index in The Brothers (16 mi.) | ultraviolet index in Good Island (Gambier Bay) (19 mi.) | ultraviolet index in Gambier Bay (cannery Wharf) (21 mi.) | ultraviolet index in Holkham Bay (Wood Spit) (22 mi.) | ultraviolet index in Holkham Bay (Tracy Arm Entrance) (25 mi.) | ultraviolet index in Cannery Cove (Pybus Bay) (27 mi.) | ultraviolet index in Portage Bay (Kupreanof Island) (28 mi.) | ultraviolet index in Rasp Ledge (Seymour Canal) (30 mi.) | ultraviolet index in Sawyer Island (Holkham Bay) (34 mi.)