A Comparative Study of Air Pollutant Concentrations before the COVID-19 Pandemic and in the New Normal in the Región de Murcia (Spain)
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Tecnologías del Medio AmbienteFecha de publicación
2023-01-09Editorial
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Doval-Miñarro, M.; Bueso, M.C. A Comparative Study of Air Pollutant Concentrations before the COVID-19 Pandemic and in the New Normal in the Región de Murcia (Spain). Atmosphere 2023, 14, 147. https://doi.org/10.3390/atmos14010147Revisión por pares
siPalabras clave
air qualityCOVID-19
electric vehicles
new normal
nitrogen dioxide
ozone
Resumen
The management of the COVID-19 pandemic, which required global lockdowns and mobility
restrictions, positively impacted air quality (especially the concentrations of primary pollutants).
With the progressive return to normal activity during the last few months of 2020 and 2021, air
pollutant concentrations were expected to rise again. In this work, together with meteorological
conditions and traffic intensity, the concentrations of NO, NO2, O3, PM10, and SO2 measured at three
different locations (urban, industrial, and rural) in southeast Spain, from January 2016 to December
2021, were analyzed. For the three locations, PM10 concentrations did not change significantly in 2020
or 2021. SO2 concentrations did not experience changes at the industrial site in 2020 or 2021, but SO2
concentrations did slightly increase in five months of 2021 in the urban location (with a maximum
monthly average concentration of 11 g·m-3). In 2020, NO and NO2 concentrations were, in general,
lower ...
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