Special Issue: Progress and prospects of atmospheric environmental sciences in China
Haze insights and mitigation in China: An overview
Xuliang Zhuang*
,
Yuesi Wang
,
Hong He
,
Jianguo Liu
,
Jianguo Liu
X
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Affiliations
- Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;
Xinming Wang
,
Tingyu Zhu
,
Maofa Ge
,
Ju Zhou
,
Guiqian Tang
,
Jinzhu Ma
The present article provides an overview of the chemical and physical features of haze in China, focusing on the relationship between haze and atmospheric fine particles, and the formation mechanism of haze. It also summarizes several of control technologies and strategies to mitigate the occurrence of haze. The development of instruments and the analysis of measurements of ambient particles and precursor concentrations have provided important information about haze formation. Indeed, the use of new instruments has greatly facilitated current haze research in China. Examples of insightful results include the relationship between fine particles and haze, the chemical compositions and sources of particles, the impacts of the aging process on haze formation, and the application of technologies that control the formation of haze. Based on these results, two relevant issues need to be addressed: understanding the relationship between haze and fine particles and understanding how to control PM2.5.
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