Abstract
What is already known about this topic? Residential air pollution can cause a large disease burden, and residential air quality is directly influenced by residential fine particulate matter (PM2.5). Residential PM2.5 pollution is of critical concern in China given that the characteristics and influencing factors of residential PM2.5 in China are not clear. What is added by this report? This study focuseed on residential PM2.5 concentration of 12 cities with the on-site investigation in 2018, and provided the latest characteristics and potential influencing factors of residential PM2.5 under general living scenarios in China. What are the implications for public health practice? This study suggested that the control of residential PM2.5 pollution should be reinforced with revised indoor air quality standards under obvious spatial diversity.
Highlights
Residential air pollution can cause a large disease burden, and residential air quality is directly influenced by residential fine particulate matter (PM2.5)
This study focuseed on residential PM2.5 concentration of 12 cities with the on-site investigation in 2018, and provided the latest characteristics and potential influencing factors of residential PM2.5 under general living scenarios in China
This study suggested that the control of residential PM2.5 pollution should be reinforced with revised indoor air quality standards under obvious spatial diversity
Summary
Residential air pollution can cause a large disease burden, and residential air quality is directly influenced by residential fine particulate matter (PM2.5). This study focuseed on residential PM2.5 concentration of 12 cities with the on-site investigation in 2018, and provided the latest characteristics and potential influencing factors of residential PM2.5 under general living scenarios in China. To explore the representative levels, characteristics, and influencing factors of residential PM2.5 pollution in China, the National Institute of Environmental Health (NIEH) of China CDC initiated a multicenter investigation for indoor air pollution in 2018. Twelve representative cities were selected considering various factors such as climatic and geographical locations These cities were mainly from the Northeast (Harbin and Panjin), Northwest (Lanzhou and Xi’an), Southwest (Mianyang), North (Shijiazhuang), East (Wuxi, Ningbo and Qingdao), Central (Luoyang), and South (Nanning and Shenzhen) of China. To collect the data of residential pollution with many parameters such as PM2.5 related to the unified general living scenario of each household, the sampling condition of each family was regulated with the following guidelines: 1) the doors and windows were pre-closed for 12 hours for indoor sampling; 2) air conditioners, fans, and other equipment that may interfere with
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