Emerging trends and hotspots in sandstorms and human health research: A bibliometric and knowledge mapping study

Sandstorms are becoming increasingly frequent and intense as a result of climate change, desertification, and land-use degradation, posing substantial risks to human health. Exposure to airborne dust particles, particularly PM10 and PM2.5, has been associated with a wide range of adverse health outcomes, including respiratory and cardiovascular diseases, conjunctivitis, and negative birth outcomes. To provide a systematic overview of global research trends in this field, we conducted a bibliometric and visualized analysis of sandstorm-related health studies published between 2005 and 2025 (provisional) using the Web of Science Core Collection. CiteSpace and VOSviewer were applied to examine publication outputs, international and institutional collaboration networks, author contributions, co-cited references, and keyword dynamics. A total of 1328 English-language articles and reviews were included, revealing a marked increase in publications after 2014, with a peak in 2019. China, the United States, and Iran emerged as the leading contributors, with major research output from institutions such as the Chinese Academy of Sciences and Tottori University. Co-citation and keyword analyses indicated a thematic evolution from particulate exposure and acute respiratory effects toward emerging topics including oxidative stress, microbial toxicity, machine learning applications, and climate change, while notable geographic underrepresentation persisted in African and Central Asian regions. Overall, this study delineates the evolving landscape of sandstorm-health research, highlighting both methodological diversification and persistent geographic and thematic gaps, and underscores the need for enhanced interdisciplinary collaboration and more regionally inclusive research to support effective mitigation strategies and health interventions.