Weekend effect on air pollutant levels in southernmost cities of Brazil with different economic activities.

ABSTRACT: In view of the current premises of the need to investigate air pollution in small- and medium-sized cities, combined with concerns regarding the weekly behavior of air pollutants, this study aimed to investigate the weekly pattern of air pollution (O₃, NO₂, SO₂, PM_2.5) and the weekend effect in 4 Brazilian cities with different main economic activities. Our main findings include (1) positive weekend effect for all the assessed air pollutants in the four cities; therefore, in the southernmost region of Brazil, there was an increase in the concentration of air pollutants during weekends when compared to weekdays; (2) the highest levels of NO₂ and SO₂ were observed in the city characterized by the economic activity revolving ar

SUBMITTER: de Vasconcellos Ceglinski L 

PROVIDER: S-EPMC9514174 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature