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Sustainable Approaches to Monitoring Urban Particulate Matter Monitoring: Challenges and Innovations
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This review addressed the challenges and opportunities in monitoring urban particulate matter using sustainable approaches, including low-cost sensors, citizen science networks, and novel sampling materials. It assessed how monitoring strategies need to evolve to capture both conventional particulates and microplastic particles.
The continual efforts of humanity for socio-economic improvements led to vast emission of airborne pollutants into the atmosphere. The air quality degradation can influenced by air pollutants such as particulate matter fractions, volatile organic compounds, ozone, toxic elements, microplastics, carbon monoxide as well as sulfurous and nitrous oxides. The evaluation of the impact of anthropogenic activities on air pollution levels as a national key research gap has prompted the need to assess the environmental and health implications and explore remedial actions to curb down air pollution. In urban airborne environments, the sustainability of pollution monitoring systems is a necessity for maintaining long-term air quality and safeguarding public health. Modern approaches, such as sophisticated spectroscopic technologies and real-time monitoring systems, have greatly improved the capacity to precisely identify and analyze air pollutants. However, the longevity of these techniques depends on the ongoing development and incorporation into more comprehensive environmental management plans. Innovative wireless sensor networks, low-cost portable sensors, hybrid systems, and other advanced modeling techniques were scrutinized in this study to provide affordable and scalable solutions to enhance air quality monitoring systems. These technologies offer vital data that support public health programs, urban planning, and regulatory laws.
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Microplastic in the Air
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This review provides a comprehensive overview of methods for collecting, extracting, and identifying airborne microplastics, examining their sources, transport mechanisms, and persistence in urban and atmospheric environments, and establishing a methodological foundation for future research on microplastic air pollution.
Microplastics and nanoplastics in the air: a review
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This review examines the occurrence, sources, physicochemical characteristics, and sampling and analytical methods for microplastics and nanoplastics in atmospheric air across urban, industrial, coastal, and remote environments. The authors find that fibers and fragments are the dominant atmospheric microplastic forms, that no standardized sampling methods currently exist, and that both passive and active collection approaches are used across the literature with limited comparability.
Microplastics and particulate matter: assessment of atmospheric pollution in the Region of Hortênsias, Brazil
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Researchers measured microplastic concentrations alongside particulate matter in the atmosphere of an urban area, characterizing the size, morphology, and polymer composition of airborne plastic particles and assessing the contribution of different anthropogenic sources to atmospheric MP pollution.
Microplastics in Urban Environments: Sources, Pathways, and Distribution
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Researchers mapped the major sources and pathways of microplastic pollution in cities, finding that tire wear, laundry wastewater, landfills, and construction activity collectively make urban areas major generators of the microplastics that flow into surrounding air, water, and soil.
Sources and Fate of Microplastics in Urban Systems
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Researchers examined how microplastics enter and move through urban environments, tracing sources from personal care products, synthetic clothing, and infrastructure degradation to eventual fate in waterways — as global plastic production exceeds 380 million metric tons annually, cities are both major generators and transport corridors for microplastic pollution.
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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.