Vertical variations in the concentration of traffic-related pollutants PM in a selected area along a transport corridor

Agata Jaroń; Anna Borucka

doi:10.7494/geol.2025.51.4.323

Authors

Agata Jaroń Military University of Technology, Doctoral School, Warsaw, Poland https://orcid.org/0000-0001-5054-061X
Anna Borucka Military University of Technology, Faculty of Security, Logistics and Management, Warsaw, Poland https://orcid.org/0000-0002-7892-9640

DOI:

https://doi.org/10.7494/geol.2025.51.4.323

Keywords:

traffic air pollution, UAV measurement, pollution profiling

Abstract

Profiling pollutant distributions contributes to a deeper understanding of the diffusion of traffic air pollution, with road transport being a significant source of air pollution. The available literature presents numerous methods for analyzing air pollution distributions resulting from vehicular transport. However, these studies primarily focus on simulated conditions rather than real-world field measurements. This study examines real-world field measurements of air pollution near a highway in Poland using an unmanned aerial vehicle (UAV) platform across different seasons. The UAV platform was equipped with a semiconductor laser sensor for measuring air pollutants such as SO₂, CO₂, N_xO_y, O₃ and PM₁₀, PM _2.5 and PM₁. Although there are many works on profiling pollutants, this is the first such attempt to visualize pollutants in Poland, along with comparing the indications to the National Air Pollution Monitoring. By applying Spearman’s correlation coefficient, the study assesses the correlation of pollutant concentrations within the vertical profile from a street canyon and conducts pollution mapping. Observations indicate that in spring, summer, and autumn, pollutant concentrations decrease with altitude. However, in winter, a “pollution cloud” was detected at an altitude of 20–30 m, while concentrations above this threshold declined. The findings provide valuable insights for developing recommendations to protect public health. In the future, they may be used to properly manage urban infrastructure in order to protect the population from the negative effects of air pollution.

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