ultraviolet index in Terminous (South Fork) (4 mi.) | ultraviolet index in Prisoners Point (5 mi.) | ultraviolet index in Steamboat Slough (Snug Harbor Marina) (6 mi.) | ultraviolet index in Irish Landing (Sand Mound Slough) (6 mi.) | ultraviolet index in Rio Vista (6 mi.) | ultraviolet index in Threemile Slough Entrance (6 mi.) | ultraviolet index in False River (6 mi.) | ultraviolet index in Threemile Slough (7 mi.) | ultraviolet index in Wards Island (Little Connection Slough) (7 mi.) | ultraviolet index in Davis Slough (8 mi.) | ultraviolet index in New Hope Bridge (8 mi.) | ultraviolet index in Bishop Cut (Disappointment Slough) (10 mi.) | ultraviolet index in Snodgrass Slough (11 mi.) | ultraviolet index in Blackslough Landing (12 mi.) | ultraviolet index in Orwood (Old River) (13 mi.) | ultraviolet index in Antioch (15 mi.) | ultraviolet index in Collinsville (15 mi.) | ultraviolet index in Holt (Whiskey Slough) (15 mi.) | ultraviolet index in Borden Highway Bridge (Old River) (17 mi.) | ultraviolet index in Borden Highway Bridge (Middle River) (17 mi.)