High levels of toxic metals found in dust pose health risks.
The study looked at metal contamination in dust from different areas in Aden, Yemen. They found high levels of Cd and Pb in industrial and residential areas. The analysis showed that Cd, Pb, and Zn are mainly from human activities. The dust samples were significantly contaminated with Cd and Pb. The risk of ecological harm from these metals was found to be moderate to considerable in most areas. The pollution comes from a mix of sources like human activities, traffic, and natural occurrences.