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Air pollution has been a major challenge worldwide particularly in the developing world. Improper waste disposal and management may result in microbial air pollution. In advanced countries, landfill sites are far from neighborhoods; however, the opposite is observed for landfill sites in the developing world. In Accra, some landfill sites are 100 meters from neighborhoods. The aim of this study was to assess the microbial air quality and associated environmental health hazards of landfill sites in selected districts in the Greater Accra Region of Ghana. A random sampling method was employed to select sampling sites across the dry and wet seasons from landfills and their corresponding neighborhoods. Results obtained showed a higher total count (CFU/m 3 ) of bacteria and fungi in the air at the landfill sites than neighborhoods. Statistically significant variation ( p  < 0.05) in bacterial and fungal concentrations over two seasons was found for both landfills and neighborhoods. However, bacterial concentrations were significantly higher than fungal concentrations ( p  < 0.05) across seasons for all locations.  Staphylococcus epidermidis  was the highest (15.6 %) occurring microbe at both landfill sites and neighborhoods. This was followed by  Staphylococcus aureus  (12.7%). Other bacteria and fungi of public health importance such as  Pseudomonas aeruginosa ,  Escherichia coli ,  Aspergillus flavus , and  Aspergillus niger  were also isolated from the study sites, above the WHO recommended levels. In conclusion, the landfill waste disposal and its close proximity to neighborhoods as observed in this study pose a potential environmental health risk, with dire implications for public health and safety. The government must enact and implement policies to regulate waste management and to ensure public safety.

Microbial Air Quality in Neighborhoods near Landfill Sites: Implications for Public Health