In 2020, the mass concentration of PM2.5 in Shijiazhuang urban area was(80.30±71.43)μg/m3. The Spearman correlation analysis between metals and metalloids showed that Sb with Cd, Pb, Ni, Se, Cd with Pb, Ni, Se, Pb with Ni, Se, Ni with Se, and Se with Tl were positively correlated, with a coefficient greater than 0.5. The main sources of metals and metalloids of PM2.5 were traffic emissions, fuel combustion, metal smelting and dust. The HQ values of Pb, Hg and Mn for each population were less than 1, with lower non-carcinogenic risk. The R values of carcinogenic risk of Ni and Cd in each population were less than 1×10-6, which could be acceptable risk level for the population. The R values of carcinogenic risk of As and Cr in different populations were between 1×10-6 and 1×10-4, with potential carcinogenic risk, particularly higher in adult males.
2020年石家庄城区PM2.5的质量浓度为（80.30±71.43）μg/m3；各金属、类金属间的Spearman相关性分析结果显示，Sb与Cd、Pb、Ni、Se，Cd与Pb、Ni、Se，Pb与Ni、Se，Ni与Se，Se与Tl呈正相关，相关系数大于0.5。PM2.5的金属、类金属主要来源有交通排放、燃料燃烧、金属冶炼和扬尘。健康风险评估结果显示，Pb、Hg 和Mn对各人群产生的HQ值均小于1，非致癌风险较低；Ni和Cd对各人群产生的致癌风险R值均小于1×10-6，属于人群可以接受的风险水平；As和Cr对不同人群产生的致癌风险R值在1×10-6~1×10-4之间，存在潜在的致癌风险，且对成年男性产生的风险较大。.