Articles | Volume 21, issue 11
Atmos. Chem. Phys., 21, 8761–8773, 2021
https://doi.org/10.5194/acp-21-8761-2021
Atmos. Chem. Phys., 21, 8761–8773, 2021
https://doi.org/10.5194/acp-21-8761-2021
Research article
10 Jun 2021
Research article | 10 Jun 2021

Physical and chemical properties of urban aerosols in São Paulo, Brazil: links between composition and size distribution of submicron particles

Djacinto Monteiro dos Santos et al.

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The metropolitan area of São Paulo (MASP), with very extensive biofuel use, has unique atmospheric chemistry among world megacities. In this study, we examine the complex relationships between aerosol chemical composition and particle size distribution. Our findings provide a better understanding of the dynamics of the physicochemical properties of submicron particles and highlight the key role of secondary organic aerosol formation in the pollution levels in São Paulo.
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