Fig. 7. Influences of individual non–migration-related and migration-related factors on PM2.5 emissions, PM2.5 exposure concentrations, and annual deaths from exposure to ambient PM2.5 in China in 2010.
The results are presented as changes in PM2.5 emissions (A), PM2.5 exposure concentrations (B), and annual deaths from exposure to ambient PM2.5 (C) caused by the change of individual non–migration-related and migration-related factors between 1980 and 2010. Influences on urban, rural, and total areas are illustrated using bars with different colors. In urban areas, total migration-related factors led to a decrease in PM2.5 exposure concentration but an increase in annual deaths because the urban population base was increased as a result of migration.