ultraviolet index in Port Fourchon (Belle Pass) (6 mi.) | ultraviolet index in Pelican Islands (Timbalier Bay) (9 mi.) | ultraviolet index in Leeville (Bayou Lafourche) (13 mi.) | ultraviolet index in Timbalier Island (Timbalier Bay) (15 mi.) | ultraviolet index in Caminada Pass (bridge) (17 mi.) | ultraviolet index in Wine Island (Terrebonne Bay) (18 mi.) | ultraviolet index in E. Isle Dernieres (Lake Pelto) (21 mi.) | ultraviolet index in Bayou Rigaud (Grand Isle) (23 mi.) | ultraviolet index in Grand Isle (24 mi.) | ultraviolet index in Barataria Pass (25 mi.) | ultraviolet index in Cocodrie (26 mi.) | ultraviolet index in Independence Island (26 mi.) | ultraviolet index in Manilla (30 mi.) | ultraviolet index in Quatre Bayous Pass (31 mi.) | ultraviolet index in Caillou Boca (32 mi.)