Supplementary material

According to research needs, we have provided the original data that appeared in the study, mainly including data on incineration flue gas, data on heavy metal concentrations in the soil, ambient air, and plants around the incineration plant, and meteorological data. These data are stored in the Science data bank in the form of file packages, which mainly include the following five types of data：1.Heavy metal concentration data in plants such as grass and leaves around the incineration plant.2.The concentration data of heavy metals in the ambient air and incineration flue gas around the incineration plant.3.Data on heavy metal concentration in the soil around the incineration plant.4.Data on flue gas emissions from incinerators.5.Meteorological data used in the study.