Articles | Volume 25, issue 21
https://doi.org/10.5194/acp-25-14777-2025
https://doi.org/10.5194/acp-25-14777-2025
Research article
 | 
05 Nov 2025
Research article |  | 05 Nov 2025

Atmospheric dust and air quality over large-cities and megacities of the world

Emmanouil Proestakis, Kyriakoula Papachristopoulou, Thanasis Georgiou, Sofia Eirini Chatoutsidou, Mihalis Lazaridis, Antonis Gkikas, Ilias Fountoulakis, Ioanna Tsikoudi, Manolis P. Petrakis, and Vassilis Amiridis

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Short summary
Based on Earth observations of dust the study addresses the questions: To what extent have the fine and coarse modes of atmospheric dust within the planetary boundary layer (PBL) changed over major cities worldwide? Which areas experience fine-mode and coarse-mode dust mass concentrations within the PBL that exceed World Health Organization air quality guidelines, and which areas are projected to exceed these guidelines in the near future? Can we quantify associated impacts on human health?
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