2024 No Indoor exposure levels and risk assessment of volatile organic compounds in residences, schools, and offices in China from 2000 to 2021: A systematic review https://onlinelibrary.wiley.com/doi/10.1111/ina.13091 Liu, Ningrui Asia Review Teachers Staff Students Volatile Organic Compounds (VOCs) China health risk Indoor air quality Influencing factor Systematic review volatile organic compound A review of indoor VOC pollution in China (2000-2021) shows benzene, toluene, and xylenes levels exceed those in other countries. Levels declined over time, lower in east/southeast regions. Ventilation and delayed occupancy reduce VOCs. Benzene poses highest health risk. 2022