ultraviolet index in Lakeville (Petaluma River) (2.8 mi.) | ultraviolet index in Petaluma River Entrance (4 mi.) | ultraviolet index in Upper Drawbridge (Petaluma River) (6 mi.) | ultraviolet index in Wingo (Sonoma Creek) (8 mi.) | ultraviolet index in Sonoma Creek (8 mi.) | ultraviolet index in Gallinas (Gallinas Creek) (10 mi.) | ultraviolet index in Point San Pedro (13 mi.) | ultraviolet index in Edgerley Island (Napa River) (13 mi.) | ultraviolet index in Brazos Drawbridge (Napa River) (14 mi.) | ultraviolet index in Pinole Point (15 mi.) | ultraviolet index in Corte Madera Creek (15 mi.) | ultraviolet index in Vallejo (Mare Island Strait) (15 mi.) | ultraviolet index in Point San Quentin (16 mi.) | ultraviolet index in Point Orient (16 mi.) | ultraviolet index in Hercules (Refugio Landing) (17 mi.) | ultraviolet index in Napa (Napa River) (17 mi.) | ultraviolet index in Mare Island (17 mi.) | ultraviolet index in Inverness (Tomales Bay) (18 mi.) | ultraviolet index in Richmond (18 mi.) | ultraviolet index in Selby (18 mi.)