Ambient Aerosol Size Distributions and Particle Number Concentrations Measured during the Pittsburgh Air Quality Study
Link: https://www.sciencedirect.com/science/article/pii/S1352231004002092
PAQS data should be at a study-wide archive (contact Allen Robinson at CMU). But the number size distributions themselves are archived at https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/8BWJNS