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Mini-review of microplastics in the atmosphere and their risks to humans
Summary
This mini-review summarizes emerging research on microplastics detected in atmospheric fallout from cities, finding that synthetic textile fibers are the primary source and most common shape of airborne microplastics. Researchers note that these small particles can be directly inhaled, posing particular health risks to industrial workers and people with compromised immune systems. The study also highlights that airborne microplastics contribute to contamination of water and soil environments when they settle.
Studies of microplastics (MPs) have highlighted their ubiquity in various environments. Recently, microplastics have been observed in atmospheric fallout collected from some cities. Although the studies are limited, some researches have shown that synthetic textiles are main source of airborne microplastics, and fibers are the dominant shape of microplastics in the atmosphere. Due to their small size, airborne microplastics can be directly inhaled posing health risks to humans, particularly to industry workers. Meteorological conditions and human activities affect the distribution and deposition of airborne microplastics. Furthermore, airborne microplastics are contributors to microplastic pollution in aquatic environments. We summarized the current knowledge and provide insights into further research to better understand airborne microplastics and their risks to human.