ultraviolet index in Borden Highway Bridge (Old River) (4 mi.) | ultraviolet index in Borden Highway Bridge (Middle River) (5 mi.) | ultraviolet index in Davis Slough (7 mi.) | ultraviolet index in Irish Landing (Sand Mound Slough) (7 mi.) | ultraviolet index in Holt (Whiskey Slough) (7 mi.) | ultraviolet index in Wards Island (Little Connection Slough) (8 mi.) | ultraviolet index in Prisoners Point (9 mi.) | ultraviolet index in Blackslough Landing (9 mi.) | ultraviolet index in False River (10 mi.) | ultraviolet index in Grant Line Canal (drawbridge) (10 mi.) | ultraviolet index in Bishop Cut (Disappointment Slough) (11 mi.) | ultraviolet index in Threemile Slough Entrance (12 mi.) | ultraviolet index in Borden Highway Bridge (San Joaquin River) (12 mi.) | ultraviolet index in Terminous (South Fork) (12 mi.) | ultraviolet index in Georgiana Slough Entrance (13 mi.) | ultraviolet index in Threemile Slough (14 mi.) | ultraviolet index in Stockton (15 mi.) | ultraviolet index in Antioch (15 mi.) | ultraviolet index in Rio Vista (16 mi.) | ultraviolet index in Steamboat Slough (Snug Harbor Marina) (18 mi.)