The oxidative potential of particulate matter (PM) in different regions around the world and its relation to air pollution sources.

ABSTRACT: In this study, we investigated the impact of urban emission sources on the chemical composition of ambient particulate matter (PM) as well as the associated oxidative potential. We collected six sets of PM samples in five urban location sites around the world over long time periods varying from weeks to months, intentionally selected for their PM to be dominated by unique emission sources: (1) PM_2.5 produced mainly by traffic emissions in central Los Angeles, United States (US); (2) PM_2.5 dominated by biomass burning in Milan, Italy; (3) PM_2.5 formed by secondary photochemical reactions thus dominated by secondary aerosols in Athens, Greece; (4) PM₁₀ emitted by refinery and dust resuspension in Riyadh, Saudi Arabia (SA); (5) PM₁₀ gener

SUBMITTER: Farahani VJ 

PROVIDER: S-EPMC9476553 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature