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Physico-Chemical Characteristics, Instrumental Analyses, and Transportation of Airborne Microplastics
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This review paper pulls together what scientists currently know about tiny plastic particles floating in the air we breathe, both indoors and outdoors. These particles come from sources like clothing fibers, tire wear, and ocean spray, but researchers still don't fully understand how much we're exposed to or what it means for our health. The takeaway: airborne microplastics are everywhere, and more research is needed to know the real risks.
Abstract Airborne microplastics (MPs) are increasingly recognized as a ubiquitous component of atmospheric particulate matter, acting as a main vector for the redistribution of synthetic polymers throughout the environment. Their widespread presence in indoor, outdoor, and marine-influenced air masses demonstrates that the atmosphere is an active and dynamic vector for MP transport. The physicochemical heterogeneity of airborne MPs, including variations in polymer composition, particle morphology, aerodynamic size, and degrees of environmental aging, governs their suspension behavior, atmospheric residence time, deposition processes, and interactions with other atmospheric constituents. Spectroscopic and microscopic analyses indicate that airborne MPs originate from diverse sources, such as textile fiber shedding, tire and road wear, degradation of polymer-based materials, and ocean-to-atmosphere aerosolization. Despite rapid methodological advances, substantial knowledge gaps remain, particularly in the detection of sub-10 µm particles, the development of standardized sampling and analytical protocols, mechanistic insights on atmospheric transformation pathways, and the quantification of human exposure and associated health risks. This chapter synthesizes advancements in characterizing, tracing, and transforming airborne MPs, highlighting the significance of this critical emerging contaminant.
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An Introduction of Airborne Microplastics in Indoor and Outdoor Environments
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Tiny plastic bits called microplastics are floating in the air we breathe, both indoors and outdoors, mostly from everyday human activities. This review pulls together what scientists currently know about where these particles come from, how they travel, and how we might be exposed to them. The health risks are still being studied, but understanding this exposure matters since we're breathing these particles in daily, often without realizing it.
A review of atmospheric microplastics pollution: In-depth sighting of sources, analytical methods, physiognomies, transport and risks
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This review provides an in-depth analysis of atmospheric microplastic pollution, examining sources, detection methods, physical characteristics, transport mechanisms, and health risks. Researchers found that indoor environments tend to contain higher concentrations of airborne microplastics than outdoor settings, and that current detection methods are limited in their ability to capture the smallest particles. The study emphasizes the need for standardized sampling procedures and more research into the health effects of inhaling microplastic particles.
Microplastics as an Emerging Source of Particulate Air Pollution
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This review examines the growing body of research on airborne microplastics as a source of particulate air pollution, covering their sources, transport mechanisms, and presence in both indoor and outdoor environments. Researchers highlight that airborne microplastics can travel long distances and have been found in remote locations far from population centers. The study underscores significant gaps in our understanding of how inhaling these tiny plastic particles may affect human health.
The Peril of Plastics: Atmospheric Microplastics in Outdoor, Indoor, and Remote Environments
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This review surveys the current state of knowledge about microplastics suspended in the atmosphere, covering outdoor, indoor, and remote environments. Researchers found that airborne microplastics are far more widespread than previously recognized, with fibers from textiles and vehicle tire wear being major sources. The study highlights that atmospheric transport can carry microplastics to even the most remote locations on Earth, and that inhaling these particles poses potential health concerns.
Atmospheric Microplastics: Perspectives on Origin, Abundances, Ecological and Health Risks
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This review summarizes current knowledge about microplastics in the atmosphere, including their sources, how far they travel, and potential health effects from inhalation. Researchers found that airborne microplastics can carry toxic chemicals deep into the respiratory system and may contribute to respiratory problems and other health concerns. The study emphasizes that atmospheric microplastic pollution remains poorly understood due to a lack of standardized measurement methods.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.