ultraviolet index in Wingo (Sonoma Creek) (4 mi.) | ultraviolet index in Edgerley Island (Napa River) (6 mi.) | ultraviolet index in Petaluma River Entrance (6 mi.) | ultraviolet index in Brazos Drawbridge (Napa River) (7 mi.) | ultraviolet index in Hog Island (San Antonio Creek) (8 mi.) | ultraviolet index in Vallejo (Mare Island Strait) (8 mi.) | ultraviolet index in Lakeville (Petaluma River) (9 mi.) | ultraviolet index in Pinole Point (10 mi.) | ultraviolet index in Mare Island (10 mi.) | ultraviolet index in Gallinas (Gallinas Creek) (11 mi.) | ultraviolet index in Hercules (Refugio Landing) (11 mi.) | ultraviolet index in Selby (11 mi.) | ultraviolet index in Point San Pedro (11 mi.) | ultraviolet index in Napa (Napa River) (12 mi.) | ultraviolet index in Crockett (12 mi.) | ultraviolet index in Upper Drawbridge (Petaluma River) (12 mi.) | ultraviolet index in Point Orient (14 mi.) | ultraviolet index in Point San Quentin (15 mi.) | ultraviolet index in Richmond (16 mi.) | ultraviolet index in Corte Madera Creek (16 mi.)