Shifts in Nitrate Formation Pathways and Precursor Sensitivity During Autumn PM2.5 Pollution in Shijiazhuang, China
Fine particulate matter (PM2.5) have significant impacts on regional air quality, climate, and human health. Among its chemical components, nitrate has shown a rapidly increasing contribution in recent years with the trend of dominating over sulfate. In this study, a field observation was conducted from October to Nove...