@dataset{van_donkelaar_2022_6557778, author = {van Donkelaar, Aaron and Martin, Randall V. and Li, Chi and Burnett, Richard T.}, title = {{Regional Estimates of Chemical Composition of Fine Particulate Matter Using a Combined Geoscience- Statistical Method with Information from Satellites, Models, and Monitors: V4.NA.02.MAPLE}}, month = may, year = 2022, publisher = {Zenodo}, version = {V4.NA.02.MAPLE}, doi = {10.5281/zenodo.6557778}, url = {https://doi.org/10.5281/zenodo.6557778} }