
Figure 1.
Location of the study area (own compilation based on QGIS)
Table 1.
Coordinates of the sampling points
| No. | GPS |
|---|---|
| 1 | 50°38′12.1 ″N, 20°42′23.1 ″E |
| 2 | 50°37′46.6 ″N, 20°42′33.9 ″E |
| 3 | 50°37′49.2 ″N, 20°43′07.5 ″E |
| 4 | 50°37′48.7 ″N, 20°44′08.7 ″E |

Figure 2.
Daily concentration of PM10 dust against mean air temperature and daily precipitation totals during the study period (own elaboration, based on IMGW and CIEP data)
Table 2.
Average monthly concentrations of the main ions calculated based on the determination in 4 collectors (n.a. = below detection level)
| Ions | Cl− | SO42− | NO3− | Fe3+ | Na+ | NH4+ | Mg2+ | K+ | Ca2+ | OA |
|---|---|---|---|---|---|---|---|---|---|---|
| Unit | mg/l | mm | ||||||||
| VI | 1.32 | 2.23 | n.a. | n.a. | 1.22 | 0.27 | 0.51 | 1.33 | 9.23 | 5.86 |
| VII | 0.00 | 0.00 | n.a. | n.a. | 0.80 | 0.24 | 0.54 | 0.65 | 11.34 | 20.66 |
| VIII | 1.58 | 3.79 | 0.15 | 0.0743 | 1.38 | 0.52 | 0.75 | 1.49 | 20.42 | 4.50 |
| IX | 29.16 | 31.68 | 12.78 | n.a. | 20.50 | 0.66 | 19.85 | 3.87 | 72.24 | 6.85 |
| X | 1.93 | 2.29 | 16.50 | n.a. | 1.49 | 2.60 | 1.34 | 5.68 | 19.74 | 19.45 |
| XI–XII | 0.74 | 0.82 | 1.33 | n.a. | 0.64 | 0.97 | 0.05 | 0.14 | 0.48 | 30.03 |
| I | 1.05 | 1.11 | 1.35 | n.a. | 0.78 | 0.78 | 1.10 | 0.25 | 8.23 | 12.35 |
| II | 0.61 | 1.34 | 2.27 | n.a. | 0.66 | 1.66 | 0.22 | 0.26 | 2.72 | 10.26 |
| III | 3.01 | 8.17 | 0.12 | n.a. | 1.89 | 1.11 | 0.36 | 1.02 | 12.86 | 3.20 |
| IV | – | – | – | n.a. | – | – | – | – | – | – |
| V | 1.12 | 3.52 | 0.62 | n.a. | 1.29 | 0.26 | 1.20 | 3.78 | 36.14 | 4.61 |
| Average annual value | 4.05 | 5.50 | 4.39 | 0.07 | 3.07 | 0.91 | 2.59 | 1.85 | 19.34 | 11.78 (117.77 in total) |

Figure 3.
Ion concentration vs. monthly precipitation sum
Table 3.
Mass of particulate matter in bulk precipitation
| Point number | 1 | 2 | 3 | 4 | Average value for the month |
|---|---|---|---|---|---|
| Unit | g | ||||
| VI | 0.5144 | 0.7759 | 0.3654 | – | 0.5519 |
| VII | 0.1488 | 0.057 | – | 0.0335 | 0.0798 |
| VIII | 0.1961 | 0.0920 | 0.2401 | 0.2547 | 0.1957 |
| IX | 0.0268 | – | 0.0195 | 0.0531 | 0.0331 |
| X | 0.0556 | 0.0220 | 0.0654 | 0.0945 | 0.0594 |
| XI–XII | 0.0284 | 0.0399 | – | 0.0569 | 0.0417 |
| I | 0.0124 | 0.0274 | 0.1792 | 0.0046 | 0.0559 |
| II | 0.0368 | 0.0321 | 0.0403 | 0.0303 | 0.0349 |
| III | 0.1182 | 0.0530 | 0.0640 | 0.0650 | 0.0751 |
| IV | 0.2576 | 0.0751 | 0.0877 | 0.1205 | 0.1354 |
| V | 0.5478 | 0.1310 | 0.1117 | 0.1314 | 0.2305 |
| Annual average | 0.1643 | 0.1121 | 0.1304 | 0.0820 | 0.1370 |

Figure 4.
Mass of particulate matter (PM) vs. sum of monthly precipitation

Figure 5.
EDS analysis of exemplary objects