一项国际研究发现，即使是短期接触低浓度的危险性小颗粒物PM2.5，也会增加院外心脏骤停 (out-of-hospital cardiac arrest,OHCA)的风险，该研究指出，这些气体污染物与燃煤、野火/丛林大火和机动车等气体污染物有关。

Air pollution impacts can be heart-stopping

https://www.sciencedaily.com/releases/2020/01/200128115421.htm

Journal Reference:

1. Bing Zhao, Fay H Johnston, Farhad Salimi, Masahiko Kurabayashi, Kazuaki Negishi. Short-term exposure to ambient fine particulate matter and out-of-hospital cardiac arrest: a nationwide case-crossover study in Japan. The Lancet Planetary Health, 2020; 4 (1): e15 DOI: 10.1016/S2542-5196(19)30262-1