Fig. 1.

Fig. 2.

Fig. 3.

Fig. 4.

Fig. 5.

Fig. 6.

Total content of dust and carbon parameters (TC, OC and EC) for different samples_
| Sites | Dust | Total content of dust | Organic carbon | Elemental carbon | |
|---|---|---|---|---|---|
| PM2.5 | PM10 | ||||
| [μg · m-3] | [μg] | ||||
| Katowice (urban-industrial) | 29.6±11.2 | 31.0±11.9 | 21.9±1.9 | 19.7±1.7 | 2.2±0.2 |
| Strzyzowice (rural) | 10.4±2.7H | 11.8±2.7H | 18.7±1.5 | 17.8±1.6 | 1.0±0.1 |
| Kielce (urban) | 13.3±4.9H | 20.8±8.6H | 27.0±4.1 | 23.3±4.2 | 3.6±0.3 |
Meteorological conditions during aerosol sampling_
| Site location | Sampling period | Aerosol measurements | Weather | |||
|---|---|---|---|---|---|---|
| Temperature | Relative humidity | Air pressure | Prevaling wind direction and speed | |||
| [°C] | [%] | [hPa] | [m s-1] | |||
| Katowice (urban- | 25–26.01.22 | PM25, PM10, TC, Elemental carbon, Organic carbon | 0.5±0.1 | 97.1±1.8 | 990.3±0.6 | SW, 2.6 |
| Strzyzowice (rural), | 9–10.02.22 | PM25, PM10, TC, Elemental carbon, Organic carbon | 7.3±1.0 | 78.0±5.7 | 1004.6±1.1 | SSW, 3.1 |
| Kielce (urban), | 9–10.03.22 | PM25, PM10, TC, Elemental carbon, Organic carbon, Elemental composition | 1.2±3.9 | 64.4±13.11 | 991.2±9.6 | NE, 0.9 |