Figure 1.
![Location of the measurement point (50.292934N, 18.682164E) [28]](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/65be0abcc8e72413086583bc/j_acee-2023-0060_fig_001.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKNTOL6R6Q%2F20260202%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260202T015343Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEA0aDGV1LWNlbnRyYWwtMSJIMEYCIQClSwKL%2FniBpxlaA%2FzWiUCcp1pS74fAryVcYNWWnZ6geAIhAICb21oPAODgReACWagTAlLMptRnfgfzBOuDmRSzNLyqKsYFCNf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMOTYzMTM0Mjg5OTQwIgwNSe%2F5lKkcBwE1SnEqmgW00O8ssUd8EH8iidOzWoZ0UxCt6xmjkrxuTWcJgQYqyrwx%2FhuJKIysvCar8DunDXwD2L02njq9snVsfqKFaxSKRbtxW0yWjY40C5yb%2FlnGg8MthjE4ep8%2BwuKSjYZHAR4ROWTgWQ%2BFdmtlT8Zxzx3EPKLf2QMig7Kod595TolPs0FBOUGw2PCTyN3coF0usgNXmIpXvGSnDtWiKkHx3HRTXzyoj%2BGBPXNocIGUs%2FpISyo20svPPU5usV71FsxsQlO0pMQwWbevSY%2F4BOl8NItaj0zwdiQt9%2B7jgGB3dLNgWEPFBAjxxhzuoxNxoLRu6f5f2ZpSof4Spw3lDfMcYvYx1gD5%2FCjA9XUGE8jItEH5Rx0b6SC34563rosSA30IKm9tfSLnGV5D%2FOztndknwNaAISTAkaiZrqMqTsNcYbiOBlt0YpsB5vT%2F%2BcU%2BD7txzgxWkMywmTJ%2BP7d8mkYzNV%2BNBqdOuJBraQ%2F1T8qvODdmwyf43WGrIhwaOYv6dLhf9xR0VCsMI3cAeDTEtVJbn7O8j9%2BoKMwAsLsGUobh39lsqhKENxxp%2FR0DhAAkLbth3TvtudF7PufwLaGWCYviwLs9VSX1K9fy0jPDc5an9pV3umVjPUMK1471We3cGKkaDwRvMqhYkhSmyObH2EFgEA9a8%2Fr6LV%2Ftk2n57iiQAgC%2BPuxBMpvcgGM9gwib9KskyEkZA%2FYte3kK80R8wf7Fs6%2BVojryknNrlSAlFT26%2B%2Bho7B2R73rG0Y7eQ2I4hGzaDgLtF4Nt1H1upKWrUm472wfx%2FCpQAWpPAyfDc3h9Beyt7BQYyrRMdoB8CukQLSs3j2C5ZJN%2BbOa%2F1o8W%2FU4tUWXvRMDqwCezWLmn63oXJdiNcqvi7qjIlFpkVP0wkoj%2FywY6sAHVcxaNRbEpR81M2n2AYm%2FMK%2F5uoGNa6kFn%2BKHXM0TsL9I9FvqzGWEVaQn3X32pYEqwYE64YPM9IdLoWyWtsFCcBa7beWFgNHTSj2uA%2BHozKl%2B6KTswk8D%2FdW%2B8RnPt5wcPXFvApOPO1r%2F6Aw%2B7m7mmpISrwF4gVyhCoC8vEJdBQePn8VN8eIToer6ASD58Pvg8uFu9mDxD0MnQgQwi%2FkQ3Uf4fhm4%2FLJSo%2FcmW%2F0y6jg%3D%3D&X-Amz-Signature=4c3c1c6881b8aea885212c4bc2104b7863519b354179872d6c44df15fb8ac2e3&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Compilation of the concentration of PM10 [μg/m3] and PM2_5 [μg/m3] and the content of SO2 [μg/m3], NO [μg/m3], NO2 [μg/m3] and NOx [μg/m3] in the “winter period” of the year 2020
| Measurement date | PM10 [μg/m3] | PM2.5 [μg/m3] | SO2 [μg/m3] | NO [μg/m3] | NO2 [μg/m3] | NOX [μg/m3] |
|---|---|---|---|---|---|---|
| 1/01/2020 | 40.462 | 28.323 | 25.478 | 3.275 | 8.706 | 13.715 |
| 2/01/2020 | 124.902 | 87.432 | 41.503 | 38.821 | 27.195 | 86.583 |
| 3/01/2020 | 107.254 | 75.078 | 32.006 | 26.421 | 14.956 | 55.371 |
| … | … | … | … | … | … | … |
| 29/03/2020 | 55.676 | 38.973 | 7.273 | 2.754 | 14.338 | 18.552 |
| 30/03/2020 | 20.938 | 14.656 | 6.421 | 3.986 | 15.239 | 21.336 |
| 31/03/2020 | 39.466 | 27.626 | 8.923 | 5.641 | 20.317 | 28.951 |
| 1/10/2020 | 18.258 | 12.781 | 22.049 | 14.453 | 19.972 | 42.070 |
| 2/10/2020 | 26.515 | 18.560 | 21.959 | 9.113 | 21.565 | 35.493 |
| 3/10/2020 | 24.387 | 17.071 | 22.209 | 1.164 | 7.612 | 9.392 |
| … | … | … | … | … | … | … |
| 29/12/2020 | 43.747 | 30.623 | 19.279 | 13.790 | 24.309 | 45.409 |
| 30/12/2020 | 39.855 | 27.899 | 18.920 | 41.474 | 45.820 | 109.232 |
| 31/12/2020 | 54.991 | 38.493 | 37.079 | 13.620 | 34.108 | 54.943 |
Scaled decision matrix V
| Measurement date | j = 1 | j = 2 | j = 3 | j = 4 | j = 5 | j = 6 |
|---|---|---|---|---|---|---|
| 1/01/2020 | 0.802 | 0.802 | 0.446 | 0.979 | 0.931 | 0.970 |
| 2/01/2020 | 0.295 | 0.295 | 0.000 | 0.661 | 0.467 | 0.621 |
| 3/01/2020 | 0.401 | 0.401 | 0.264 | 0.772 | 0.774 | 0.770 |
| … | … | … | … | … | … | … |
| 29/03/2020 | 0.710 | 0.710 | 0.952 | 0.984 | 0.789 | 0.947 |
| 30/03/2020 | 0.919 | 0.919 | 0.976 | 0.973 | 0.767 | 0.933 |
| 31/03/2020 | 0.808 | 0.808 | 0.906 | 0.958 | 0.639 | 0.897 |
| 1/10/2020 | 0.935 | 0.935 | 0.541 | 0.879 | 0.648 | 0.834 |
| 2/10/2020 | 0.885 | 0.885 | 0.544 | 0.927 | 0.608 | 0.866 |
| 3/10/2020 | 0.898 | 0.898 | 0.537 | 0.998 | 0.958 | 0.990 |
| … | … | … | … | … | … | … |
| 29/12/2020 | 0.782 | 0.782 | 0.618 | 0.885 | 0.539 | 0.818 |
| 30/12/2020 | 0.805 | 0.805 | 0.628 | 0.637 | 0.000 | 0.513 |
| 31/12/2020 | 0.715 | 0.715 | 0.123 | 0.887 | 0.294 | 0.773 |
Partial rankings of “objects” in terms of measurement results of the concentrations of chemical compounds: SO2, NO, NO2 and NOx
| Place in ranking | “Object” | Concentration of dust PM10 | Place in ranking | „Object” | Concentration of dust PM2.5 |
|---|---|---|---|---|---|
| 1 | 21/03/2020 | 5.552 | 1 | 22/11/2020 | 0.959 |
| 2 | 22/03/2020 | 5.876 | 2 | 26/12/2020 | 1.051 |
| 3 | 18/02/2020 | 5.926 | 3 | 03/10/2020 | 1.164 |
| 4 | 12/03/2020 | 6.141 | 4 | 25/12/2020 | 1.351 |
| … | … | … | … | … | … |
| 166 | 31/12/2020 | 37.079 | 166 | 09/11/2020 | 64.873 |
| 167 | 14/01/2020 | 38.031 | 167 | 16/01/2020 | 96.890 |
| 168 | 02/01/2020 | 41.503 | 168 | 17/01/2020 | 112.511 |
| Place in ranking | “Object” | Concentration of NO2 | Place in ranking | “Object” | Concentration of NOx |
| 1 | 22/11/2020 | 5.935 | 1 | 22/11/2020 | 7.406 |
| 2 | 18/10/2020 | 6.790 | 2 | 25/12/2020 | 9.094 |
| 3 | 25/12/2020 | 7.028 | 3 | 18/10/2020 | 9.249 |
| 4 | 03/10/2020 | 7.612 | 4 | 03/10/2020 | 9.392 |
| … | … | … | … | … | … |
| 166 | 27/03/2020 | 42.210 | 166 | 05/03/2020 | 129.471 |
| 167 | 17/01/2020 | 44.248 | 167 | 16/01/2020 | 183.417 |
| 168 | 30/12/2020 | 45.820 | 168 | 17/01/2020 | 216.371 |
Ranking vector R [m×1]
| “Object” | Rank (synthetic value) | Ranking place |
|---|---|---|
| 22/11/2020 | 0.976 | 1 |
| 25/12/2020 | 0.964 | 2 |
| 22/03/2020 | 0.956 | 3 |
| 11/02/2020 | 0.952 | 4 |
| 12/02/2020 | 0.945 | 5 |
| 02/02/2020 | 0.944 | 6 |
| 21/03/2020 | 0.941 | 7 |
| 12/03/2020 | 0.940 | 8 |
| 11/03/2020 | 0.938 | 9 |
| 18/10/2020 | 0.934 | 10 |
| … | … | … |
| 03/12/2020 | 0.586 | 159 |
| 18/03/2020 | 0.578 | 160 |
| 01/12/2020 | 0.573 | 161 |
| 11/12/2020 | 0.509 | 162 |
| 02/12/2020 | 0.455 | 163 |
| 02/01/2020 | 0.437 | 164 |
| 05/03/2020 | 0.433 | 165 |
| 09/11/2020 | 0.409 | 166 |
| 16/01/2020 | 0.300 | 167 |
| 17/01/2020 | 0.064 | 168 |
Weights of features (parameters) wj used in the example
| wj | |||||
|---|---|---|---|---|---|
| j = 1 | j = 2 | j = 3 | j = 4 | j = 5 | j = 6 |
| 0.163 | 0.163 | 0.121 | 0.286 | 0.095 | 0.173 |
Partial rankings of “objects” in terms of measurement results of the concentrations of dusts: PM10 and PM2_5
| Place in ranking | „Object” | Concentration of dust PM10 | Place in ranking | „Object” | Concentration of dust PM2.5 |
|---|---|---|---|---|---|
| 1 | 14/10/2020 | 7.403 | 1 | 14/10/2020 | 5.182 |
| 2 | 23/02/2020 | 10.552 | 2 | 23/02/2020 | 7.386 |
| 3 | 11/03/2020 | 11.191 | 3 | 11/03/2020 | 7.834 |
| 4 | 12/03/2020 | 11.752 | 4 | 12/03/2020 | 8.226 |
| … | … | … | … | … | … |
| 166 | 16/01/2020 | 113.446 | 166 | 16/01/2020 | 79.413 |
| 167 | 02/01/2020 | 124.902 | 167 | 02/01/2020 | 87.432 |
| 168 | 17/01/2020 | 174.146 | 168 | 17/01/2020 | 121.902 |
Measured values of air temperature, air humidity and air pressure, wind speed and direction
| Measurement date | Air temperature [°C] | Air humidity [%] | Air pressure [hPa] | Wind speed [m/s] | Wind direction [°] |
|---|---|---|---|---|---|
| 1/01/2020 | 2.626 | 77.801 | 1005.725 | 1.203 | 208.410 |
| 2/01/2020 | −0.240 | 74.948 | 1003.083 | 0.514 | 151.699 |
| 3/01/2020 | 0.998 | 73.279 | 996.589 | 0.954 | 128.822 |
| … | … | … | … | … | … |
| 29/03/2020 | 4.583 | 72.266 | 988.835 | 3.349 | 340.415 |
| 30/03/2020 | 0.262 | 59.337 | 996.989 | 2.493 | 270.373 |
| 31/03/2020 | 0.566 | 65.272 | 999.125 | 1.642 | 272.971 |
| 1/10/2020 | 12.491 | 95.095 | 979.778 | 0.995 | 89.145 |
| 2/10/2020 | 14.304 | 86.464 | 979.089 | 0.946 | 173.747 |
| 3/10/2020 | 19.404 | 65.669 | 975.675 | 2.524 | 179.362 |
| … | … | … | … | … | … |
| 29/12/2020 | 4.897 | 78.060 | 968.197 | 1.015 | 148.936 |
| 30/12/2020 | 3.773 | 92.317 | 978.256 | 0.646 | 193.396 |
| 31/12/2020 | −0.311 | 97.963 | 983.239 | 1.055 | 171.390 |
The ranges of variability of the measured parameters
| Measurement date | PM10 [μg/m3] | PM2.5 [μg/m3] | SO2 [μg/m3] | NO [μg/m3] | NO2 [μg/m3] | NOX [μg/m3] |
|---|---|---|---|---|---|---|
| max | 174.146 | 121.902 | 41.503 | 112.511 | 45.820 | 216.371 |
| min | 7.403 | 5.182 | 5.552 | 0.959 | 5.935 | 7.406 |