UV Index in Threemile Slough Entrance (2.7 mi.) | UV Index in Davis Slough (3 mi.) | UV Index in Threemile Slough (4 mi.) | UV Index in Irish Landing (Sand Mound Slough) (4 mi.) | UV Index in Prisoners Point (6 mi.) | UV Index in Georgiana Slough Entrance (6 mi.) | UV Index in Rio Vista (6 mi.) | UV Index in Wards Island (Little Connection Slough) (9 mi.) | UV Index in Steamboat Slough (Snug Harbor Marina) (9 mi.) | UV Index in Antioch (9 mi.) | UV Index in Terminous (South Fork) (9 mi.) | UV Index in Orwood (Old River) (10 mi.) | UV Index in Collinsville (11 mi.) | UV Index in Pittsburg (New York Slough) (12 mi.) | UV Index in Montezuma Slough (13 mi.) | UV Index in Borden Highway Bridge (Old River) (13 mi.) | UV Index in Bishop Cut (Disappointment Slough) (13 mi.) | UV Index in Blackslough Landing (14 mi.) | UV Index in Mallard Island Ferry Wharf (14 mi.) | UV Index in Borden Highway Bridge (Middle River) (15 mi.)