Influence of meteorological variables concerning the concentration of particulate material (PM2.5)
DOI:
https://doi.org/10.24221/jeap.10.3.2025.7100.101-108Palavras-chave:
Meteorological variables, particulate material concentration, wind speed, wind direction, current air quality indexResumo
Air pollution is a problem in everyday life, where the advancement of industrialization presents potential exacerbation of emissions levels and atmospheric pollutant concentrations. This study evaluated the influence that meteorological variables, temperature, relative humidity, precipitation, wind speed, and direction, exert on the concentration of particulate matter, especially PM2.5, in urban areas. Procedures involving air quality monitoring data and meteorological data were established over 45 days, utilizing data from monitoring stations for both air quality and meteorology installed nearby to evaluate the mean, average standard deviation, and predominance of the collected values. The results showed how atmospheric dynamics directly influence PM concentration levels, since for wind directions coming from the 1st quadrant (N, NNE, NE, and ENE) with low speeds or equal to zero, concentration levels were high; for winds coming from the 3rd quadrant (S, SSW, SW, and WSW) with elevated speeds or different from zero, concentration levels were low. Thus, it was possible to verify that the dynamics of wind speed and direction should be analyzed together since they depend on each other and proved to be determining factors for PM concentration levels.Downloads
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Copyright (c) 2025 Carlos Henrique Devilla Marcello, Emily Saviatto, Alexandre Zaccaron, Marta Valéria Guimarães de Souza Hoffmann, Paula Tramontin Pavei, Michael Peterson

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