Modifying effects of temperature on human mortality related to black carbon particulates in Beijing, China,Atmospheric Environment

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Modifying effects of temperature on human mortality related to black carbon particulates in Beijing, China
Atmospheric Environment ( IF 5 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.atmosenv.2020.117845
Ying Zhang , Xiaoling Zhang , Xingang Fan , Changjian Ni , Zhaobin Sun , Shigong Wang , Jin Fan , Canjun Zheng

Abstract Worldwide epidemiological studies have demonstrated that short-term associations of particulate matter (PM), might be further complicated by ambient temperatures, and increase human mortality. In China, among various PM indices, the health effects of black carbon (BC) are less understood due to the lack of data availability. Additionally, it is unclear how temperature modifies simultaneous and adverse effects of BC, and fine (PM size 28 °C. Harmful effects were estimated for increases in non-accidental, respiratory, and cardiovascular mortality per interquartile increments in BC (4.11 μg/m3), PM2.5 (62.37 μg/m3), and PM2.5-10 (46.71 μg/m3) concentrations from the moving average of current and previous day (lag01) under high temperature (>28 °C). Mortality increases in non-accidental, respiratory, and cardiovascular categories were 5.12% (95% confidence interval [CI]: 4.79, 5.45), 7.41% (95%CI: 6.42, 8.40), and 6.36% (95%CI: 2.45, 10.3) for BC; 3.85% (95%CI: 3.27, 4.43), 6.64% (95%CI: 5.63, 7.65), and 4.54% (95%CI: 3.31, 5.78) for PM2.5; and 2.56% (95%CI: 1.45, 3.67), 3.41% (95%CI: 1.53, 5.29), and 3.19% (95%CI: 2.44, 3.94), for PM2.5-10, respectively. These findings suggest that controlling the emission of ambient particles, especially BC, and improving air quality during summer would substantially benefit population health. Furthermore, BC should be considered as a crucial air quality indicator to reflect PM health risk.

更新日期：2020-12-01

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