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Radon gas is the main natural source of exposure of the population to ionizing rays. Because of its impact on the health, this radioactive gas has become a great concern worldwide. In this study, radon concentrations in the air of some dwellings in Yopougon, one of the commune with the highest population rate of the district of Abidjan (Côte d’Ivoire), are reported using Solid State Nuclear Tracks...