Particle Exposure Assessment for Community Elderly (PEACE) in Tianjin, China: Mass concentration relationships

► Personal PM10 exposures for 80 elderly people were characterized. ► Time-activity patterns of the Chinese elderly were collected. ► Modeled and measured personal exposures were comparable. ► Mean personal cloud of 30.2 μg m−3 was estimated in summer and 16.5 μg m−3 in winter. ► PM10 personal exposures were considerably influenced by outdoor particulate matter rather than typical indoor sources.