ultraviolet index in Grand Isle (1.1 mi.) | ultraviolet index in Bayou Rigaud (Grand Isle) (1.4 mi.) | ultraviolet index in Independence Island (2.5 mi.) | ultraviolet index in Quatre Bayous Pass (6 mi.) | ultraviolet index in Caminada Pass (bridge) (8 mi.) | ultraviolet index in Manilla (11 mi.) | ultraviolet index in Leeville (Bayou Lafourche) (16 mi.) | ultraviolet index in Bastian Island (17 mi.) | ultraviolet index in Port Fourchon (Belle Pass) (19 mi.) | ultraviolet index in Empire Jetty (20 mi.) | ultraviolet index in East Timbalier Island (Timbalier Bay) (25 mi.) | ultraviolet index in Lafitte (Barataria Waterway) (29 mi.) | ultraviolet index in Bay Gardene (30 mi.) | ultraviolet index in Pelican Islands (Timbalier Bay) (31 mi.) | ultraviolet index in Olga Compressor Station (Grand Bay) (35 mi.)