Skip to main content
. 2022 Sep;212(Pt A):113158. doi: 10.1016/j.envres.2022.113158

Table 3.

Three-year average concentrations of metals in PM2.5 (ng/m3).

Metals Mean ± SD IQR Max Min
Al 231.756 ± 58.300 78.303 314.679 159.039
Cr 7.844 ± 3.523 2.782 13.897 5.292
Mn 27.935 ± 4.178 2.823 34.845 23.603
Ni 2.030 ± 0.405 0.276 2.728 1.726
As 6.182 ± 0.561 0.784 6.805 5.350
Se 2.794 ± 0.336 0.337 3.226 2.290
Cd 1.256 ± 0.149 0.275 1.420 1.084
Sb 2.064 ± 0.294 0.352 2.466 1.658
Tl 0.400 ± 0.032 0.028 0.453 0.367
Pb 35.327 ± 19.174 11.900 48.081 2.167

Abbreviations: PM2.5: particle with aerodynamic diameter ≤2.5 μm; Al: Aluminum; Cr: Chromium; Mn: Manganese; Ni: Nickel; As: Arsenic; Se: Selenium; Cd: Cadmium; Sb: Antimony; Tl: Thallium; Pb: Lead.