This work aimed to explore the pollution levels,diurnal variation characteristic,sources of polychlorinatedbiphenyls(PCBs)and organochlorine pesticides(OCPs)in PM2.5 collected in Baoding City,HebeiPro
To better understand the formation of PM2.5 explosive growth(EG)events,we synchronously monitored the online hourly-resolution mass concentration,water-soluble ions,organic carbon,element carbon,and m