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Global difference in multi-model annual mean PM2.5 concentrations (μg/m3) in 20% emission reduction scenarios relative to the baseline for the year 2010 in a) North America (NAM), b) Europe (EUR), c) East Asia (EAS), d) South Asia (SAS), e) Middle East (MDE), f) Russia/Belarus/Ukraine (RBU), g) Power and Industry (PIN), h) Transportation (TRN), Residential (RES) and j) Global (GLO).
