Margherita Pekar

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New study describes how chemical composition of US air pollution has changed over time

Spatial and temporal variations of PM2.5 mass concentrations in the conterminous U.S. in 2006–2020. Credit: Atmospheric Environment (2023). DOI: 10.1016/j.atmosenv.2023.120188 A new study published in Atmospheric Environment by researchers at the University of North Carolina at Chapel Hill has analyzed space and time trends for fine particulate matter (PM2.5) in the continental United States to

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