Table 5.
Average, minimum and maximum concentrations of PM2.5 and water-soluble fractions of the measured elements for the city of Thessaloniki.
| Elements | Units | Mean | SD | MIN | MAX |
|---|---|---|---|---|---|
| As | ng/m3 | 0.29 | 0.17 | 0.06 | 0.65 |
| Cd | ng/m3 | 0.27 | 0.35 | 0.03 | 1.08 |
| Cr | ng/m3 | 1.05 | 2.26 | 0.02 | 8.73 |
| Cu | ng/m3 | 3.69 | 0.68 | 3.21 | 4.18 |
| Fe | ng/m3 | 23.8 | 20.44 | 0.94 | 48.26 |
| Pb | ng/m3 | 4.1 | 3.22 | 0.06 | 10.32 |
| Mn | ng/m3 | 6.97 | 4.27 | 0.96 | 15.05 |
| Ni | ng/m3 | 0.96 | 1.78 | 0.06 | 6.69 |
| V | ng/m3 | 0.38 | 0.13 | 0.16 | 0.67 |
| Zn | ng/m3 | 104.8 | 80.01 | 5.46 | 277.2 |
| PM2.5 | μg/m3 | 29.1 | 16.1 | 6.8 | 91.6 |