Chronic obstructive pulmonary disease(COPD)is an epidemic in China.Ozone is a possible risk factor of COPD,with ozone concentrations increasing in China,despite air pollution mitigation measures that reduced particula...Chronic obstructive pulmonary disease(COPD)is an epidemic in China.Ozone is a possible risk factor of COPD,with ozone concentrations increasing in China,despite air pollution mitigation measures that reduced particulate matter.The WHO Air Quality Guidelines(AQG)recommendations in 2021 are a turning point that formally recognizes the crucial role of indoor air pollution.We aimed to investigate the premature COPD deaths attributable to ozone in 2019,taking the WHO AQG 2021 level into account to determine the gap to bridge ozone control in China.First,we assessed ozone exposures initiated from indoor and outdoor sources by gender and age groups in 344 cities under four scenarios:2019 as a baseline,and outdoor ozone at WHO AQG 2021 level in 2019,2030,and 2050,respectively.Subsequently,we estimated COPD deaths attributable to ozone.The results show that the COPD deaths attributable to ozone are 77,737 in 2019,and 527,872,1355 if the outdoor ozone concentration is reduced to the WHO AQG 2021 level in 2019(counterfactual scenario),2030,and 2050,respectively in urban China.The indoor ozone sources only contribute to less than 5%of COPD deaths.A gap of 68.5μg/m3 for the highest seasonal ozone concentration should be bridged to meet the WHO AQG 2021 and avoid over 76 thousand(98%)COPD deaths in 2019 in urban China.展开更多
世界卫生组织(World Health Organization,WHO)在1958年发布的技术报告中开始关注空气污染对人体健康的损害[1].基于科学界在其后近30年对该问题的研究和认知的逐步积累,WHO欧洲办事处于1987年发布了首个基于健康保护的空气质量指南(air...世界卫生组织(World Health Organization,WHO)在1958年发布的技术报告中开始关注空气污染对人体健康的损害[1].基于科学界在其后近30年对该问题的研究和认知的逐步积累,WHO欧洲办事处于1987年发布了首个基于健康保护的空气质量指南(air quality guideline,AQG)。展开更多
基金supported by the National Natural Science Foundation of China(No.51978366)and Research Fund(No.2021JC005),Vanke School of Public Health,Tsinghua University.MY acknowledges financial support from the Shuimu Tsinghua Scholar Program(No.2021SM002).
文摘Chronic obstructive pulmonary disease(COPD)is an epidemic in China.Ozone is a possible risk factor of COPD,with ozone concentrations increasing in China,despite air pollution mitigation measures that reduced particulate matter.The WHO Air Quality Guidelines(AQG)recommendations in 2021 are a turning point that formally recognizes the crucial role of indoor air pollution.We aimed to investigate the premature COPD deaths attributable to ozone in 2019,taking the WHO AQG 2021 level into account to determine the gap to bridge ozone control in China.First,we assessed ozone exposures initiated from indoor and outdoor sources by gender and age groups in 344 cities under four scenarios:2019 as a baseline,and outdoor ozone at WHO AQG 2021 level in 2019,2030,and 2050,respectively.Subsequently,we estimated COPD deaths attributable to ozone.The results show that the COPD deaths attributable to ozone are 77,737 in 2019,and 527,872,1355 if the outdoor ozone concentration is reduced to the WHO AQG 2021 level in 2019(counterfactual scenario),2030,and 2050,respectively in urban China.The indoor ozone sources only contribute to less than 5%of COPD deaths.A gap of 68.5μg/m3 for the highest seasonal ozone concentration should be bridged to meet the WHO AQG 2021 and avoid over 76 thousand(98%)COPD deaths in 2019 in urban China.
文摘世界卫生组织(World Health Organization,WHO)在1958年发布的技术报告中开始关注空气污染对人体健康的损害[1].基于科学界在其后近30年对该问题的研究和认知的逐步积累,WHO欧洲办事处于1987年发布了首个基于健康保护的空气质量指南(air quality guideline,AQG)。
