ultraviolet index in Brazos Drawbridge (Napa River) (6 mi.) | ultraviolet index in Edgerley Island (Napa River) (8 mi.) | ultraviolet index in Wingo (Sonoma Creek) (10 mi.) | ultraviolet index in Sonoma Creek (12 mi.) | ultraviolet index in Vallejo (Mare Island Strait) (13 mi.) | ultraviolet index in Suisun City (Suisun Slough) (14 mi.) | ultraviolet index in Joice Island (Suisun Slough) (15 mi.) | ultraviolet index in Pierce Harbor (Goodyear Slough) (15 mi.) | ultraviolet index in Mare Island (16 mi.) | ultraviolet index in Suisun Slough Entrance (16 mi.) | ultraviolet index in Selby (17 mi.) | ultraviolet index in Crockett (17 mi.) | ultraviolet index in Lakeville (Petaluma River) (17 mi.) | ultraviolet index in Hog Island (San Antonio Creek) (17 mi.) | ultraviolet index in Petaluma River Entrance (18 mi.) | ultraviolet index in Montezuma Slough Bridge (18 mi.) | ultraviolet index in Upper Drawbridge (Petaluma River) (19 mi.) | ultraviolet index in Hercules (Refugio Landing) (19 mi.) | ultraviolet index in Point Buckler (19 mi.) | ultraviolet index in Benicia (19 mi.)