Atmospheric heavy metal deposition is widely occurring due to anthropogenic effects such
as industrial activities and motor vehicles. As a result, it has increased significantly and …

Many cities worldwide face cold climates and sub-zero temperatures for significant parts of
the year. Due to environmental concerns, vehicle technologies are shifting from internal …

Heavy metal enrichment in road dust has resulted from intensive anthropogenic activity,
particularly urbanization, industrial activities and traffic emission, posing a hazard to urban …

Tehran, the capital city of Iran, has been facing air pollution for several decades due to rapid
urbanization, population growth, improper vehicle use, and the low quality of fuels. In this …

In order to measure the seasonal variations, source identification, and human health risk of
elements in PM2. 5 were collected from January 2021 to December 2021 at an urban site in …

Tehran, the capital of Iran, experiences high levels of pollution, particularly during the cold
seasons. Recent studies have shown an increase in the concentration of nitrogen …

In Jining, 306 gridded sited urban dust samples were collected from residential, educational
and park area on windowsills or building platforms 1.5 to 2 m above the ground, as well as …

The present study was designed to assess concentrations, contamination levels,
spatiotemporal variations, health hazards and source apportionment of potentially toxic …

Urban dust is the primary cause of spreading some contaminants, including potentially toxic
elements (PTEs), polycyclic aromatic hydrocarbons (PAHs), and microplastics (MPs), in …

In this study, a total of 180 Pinus eldarica bark samples were collected from different regions
of Hamedan megacity, Iran, in 2023, and contents of Cd, Cr, Cu, Mn, Ni, Pb, and Zn in the …