Lu Zhirui, Guan Yang, Shao Chaofeng, Niu Ren
College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
Institute of Strategic Planning, Chinese Academy of Environmental Planning, Beijing 100041, China; The Center for Beautiful China, Chinese Academy of Environmental Planning, Beijing 100041, China.
Ecotoxicol Environ Saf. 2023 Jun 16;262:115125. doi: 10.1016/j.ecoenv.2023.115125.
The coordinated control of PM and ozone pollution is becoming more and more important in the current and next stage of Chinese environmental pollution control. Existing studies are unable to provide sufficient quantitative assessments of the correlation of PM and ozone pollution to support the coordinated control of the two air pollutants. This study develops a systematic method to comprehensively assess the correlation between PM and ozone pollution, including the evaluation of the impact of two air pollutants on human health and the extended correlation coefficient (ECC) for assessing the bivariate correlation index of PM-ozone pollution in Chinese cities. According to the latest studies on epidemiology conducted in China, we take cardiovascular and cerebrovascular diseases and respiratory diseases as the ozone pollution's health burden when evaluating the health impact of ozone pollution. The results show that the health impact of PM in China decreases by 25.9 % from 2015 to 2021, while the health impact of ozone increases by 11.8 %. The ECC of 335 cities in China shows an increasing-decreasing trend but has generally increased from 2015 to 2021. The study provides important support for an in-depth understanding of the correlation and development trend of Chinese PM and ozone pollution by classifying the comprehensive PM-ozone correlation performances of Chinese cities into four types. China or other countries will get better environmental benefits by implementing different coordinated management approaches for different correlative types of regions based on the assessment method in this study.
在当前及下一阶段中国环境污染治理中，细颗粒物（PM）和臭氧污染的协同控制变得越来越重要。现有研究无法对PM和臭氧污染的相关性提供充分的定量评估，以支持这两种空气污染物的协同控制。本研究开发了一种系统方法，用于全面评估PM和臭氧污染之间的相关性，包括评估两种空气污染物对人类健康的影响，以及用于评估中国城市PM-臭氧污染双变量相关指数的扩展相关系数（ECC）。根据中国最新的流行病学研究，在评估臭氧污染对健康的影响时，我们将心血管和脑血管疾病以及呼吸系统疾病作为臭氧污染的健康负担。结果表明，2015年至2021年期间，中国PM对健康的影响下降了25.9%，而臭氧对健康的影响增加了11.8%。中国335个城市的ECC呈先上升后下降趋势，但总体上从2015年到2021年有所增加。该研究通过将中国城市的综合PM-臭氧相关表现分为四种类型，为深入了解中国PM和臭氧污染的相关性及发展趋势提供了重要支持。基于本研究中的评估方法，中国或其他国家通过对不同相关类型地区实施不同的协同管理方法，将获得更好的环境效益。
