Open access
Aug 2026
Daily changes in fine particulate matter are associated with acute myocardial infarction hospitalizations: an individual-level time-stratified case-crossover study in Zhongshan, China
Background Acute myocardial infarction (AMI) imposes a substantial and growing burden globally. Short-term exposure to ambient fine particulate matter (PM2.5) has been linked to AMI mortality, yet most studies have focused on absolute pollutant concentrations. The association between daily changes in PM2.5 and AMI hosp...
Huan-Li Zeng, Xin Li, Yu-Hua Zhao et al.
· Frontiers in Public Health · 0 citations