Data for "Varied and Evolving Chemical Composition Underlying the Reversal in Global PM2.5 Exposure"

This dataset contains data used for the following article: Y. Zhang, C. Li, S. Shen, A. van Donkelaar, I. Singh, V. Shah, G. Luo, D. Zhang, Y. Li, R. V. Martin, Varied and Evolving Chemical Composition Underlying the Reversal in Global PM2.5 Exposure, submitted, 2026. Global annual PM2.5 chemical composition data for 2003-2023 Speciated-{year}-2M-0.01.nc4 Regional and Territory- exposure to PM2.5 components for 2003-2023 Regional.zip Territory.zip