eng Science and Education Publishing International Journal of Physics 2333-4576 2021-03-18 9 2 90 95 10.12691/ijp-9-2-4 IJP2021924 article Alloman Joseph Popouen popouenjoseph@gmail.com 1 Koudou Djagouri 1 2 Djama Djoman Alfred AGBO 2 Aka Antonin Koua 2 3 Alain Georges Monnehan 3 3 Laboratoire des Sciences de la Mati¨¨re, de l¡¯Environnement et de l¡¯Energie Solaire, Universit¨¦ F¨¦lix Houphou?t Boigny, Abidjan, C?te d¡¯Ivoire Concentration levels of PM2.5, PM10 and Black Carbon were assessed in the industrial zone of Yopougon, Abidjan, Côte d'Ivoire over twelve months. The particle mass for the two fractions was carried out by the gravimetric method. The sampled filters were also analyzed to determine the levels of Black Carbon concentration using the black smoke method. The fine and coarse particles black carbon fractions, as well as the PM2.5/PM10 ratio were determined. The mass concentrations determined for these fractions were respectively between [40.50; 158.17] µg/m3 with an average of 77.34 µg/m3 for PM10 and [17.25; 161.00] µg/m3 with an average of 48.83 µg/m3 for PM2.5. Compared to the Ivorian standards and the WHO guidelines, these results indicate that there is a strong need for mitigation actions on atmospheric emissions in order to protect the population living in this area against the harmful effects of air pollution. http://pubs.sciepub.com/ijp/9/2/4/ijp-9-2-4.pdf PM₂₅ PM₁₀ Black Carbon gravimetric method black smoke method