Have a personal or library account? Click to login
Application of the Simple Additive Weighting Method in the Assessment Process of Air Pollution on the Campus of the Silesian University of Technology Cover

Application of the Simple Additive Weighting Method in the Assessment Process of Air Pollution on the Campus of the Silesian University of Technology

Open Access
|Dec 2023

Figures & Tables

Figure 1.

Location of the measurement point (50.292934N, 18.682164E) [28]
Location of the measurement point (50.292934N, 18.682164E) [28]

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 datePM10 [μg/m3]PM2.5 [μg/m3]SO2 [μg/m3]NO [μg/m3]NO2 [μg/m3]NOX [μg/m3]
1/01/202040.46228.32325.4783.2758.70613.715
2/01/2020124.90287.43241.50338.82127.19586.583
3/01/2020107.25475.07832.00626.42114.95655.371
29/03/202055.67638.9737.2732.75414.33818.552
30/03/202020.93814.6566.4213.98615.23921.336
31/03/202039.46627.6268.9235.64120.31728.951
1/10/202018.25812.78122.04914.45319.97242.070
2/10/202026.51518.56021.9599.11321.56535.493
3/10/202024.38717.07122.2091.1647.6129.392
29/12/202043.74730.62319.27913.79024.30945.409
30/12/202039.85527.89918.92041.47445.820109.232
31/12/202054.99138.49337.07913.62034.10854.943

Scaled decision matrix V

Measurement datej = 1j = 2j = 3j = 4j = 5j = 6
1/01/20200.8020.8020.4460.9790.9310.970
2/01/20200.2950.2950.0000.6610.4670.621
3/01/20200.4010.4010.2640.7720.7740.770
29/03/20200.7100.7100.9520.9840.7890.947
30/03/20200.9190.9190.9760.9730.7670.933
31/03/20200.8080.8080.9060.9580.6390.897
1/10/20200.9350.9350.5410.8790.6480.834
2/10/20200.8850.8850.5440.9270.6080.866
3/10/20200.8980.8980.5370.9980.9580.990
29/12/20200.7820.7820.6180.8850.5390.818
30/12/20200.8050.8050.6280.6370.0000.513
31/12/20200.7150.7150.1230.8870.2940.773

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 PM10Place in ranking„Object”Concentration of dust PM2.5
121/03/20205.552122/11/20200.959
222/03/20205.876226/12/20201.051
318/02/20205.926303/10/20201.164
412/03/20206.141425/12/20201.351
16631/12/202037.07916609/11/202064.873
16714/01/202038.03116716/01/202096.890
16802/01/202041.50316817/01/2020112.511
Place in ranking“Object”Concentration of NO2Place in ranking“Object”Concentration of NOx
122/11/20205.935122/11/20207.406
218/10/20206.790225/12/20209.094
325/12/20207.028318/10/20209.249
403/10/20207.612403/10/20209.392
16627/03/202042.21016605/03/2020129.471
16717/01/202044.24816716/01/2020183.417
16830/12/202045.82016817/01/2020216.371

Ranking vector R [m×1]

“Object”Rank (synthetic value)Ranking place
22/11/20200.9761
25/12/20200.9642
22/03/20200.9563
11/02/20200.9524
12/02/20200.9455
02/02/20200.9446
21/03/20200.9417
12/03/20200.9408
11/03/20200.9389
18/10/20200.93410
03/12/20200.586159
18/03/20200.578160
01/12/20200.573161
11/12/20200.509162
02/12/20200.455163
02/01/20200.437164
05/03/20200.433165
09/11/20200.409166
16/01/20200.300167
17/01/20200.064168

Weights of features (parameters) wj used in the example

wj
j = 1j = 2j = 3j = 4j = 5j = 6
0.1630.1630.1210.2860.0950.173

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 PM10Place in ranking„Object”Concentration of dust PM2.5
114/10/20207.403114/10/20205.182
223/02/202010.552223/02/20207.386
311/03/202011.191311/03/20207.834
412/03/202011.752412/03/20208.226
16616/01/2020113.44616616/01/202079.413
16702/01/2020124.90216702/01/202087.432
16817/01/2020174.14616817/01/2020121.902

Measured values of air temperature, air humidity and air pressure, wind speed and direction

Measurement dateAir temperature [°C]Air humidity [%]Air pressure [hPa]Wind speed [m/s]Wind direction [°]
1/01/20202.62677.8011005.7251.203208.410
2/01/2020−0.24074.9481003.0830.514151.699
3/01/20200.99873.279996.5890.954128.822
29/03/20204.58372.266988.8353.349340.415
30/03/20200.26259.337996.9892.493270.373
31/03/20200.56665.272999.1251.642272.971
1/10/202012.49195.095979.7780.99589.145
2/10/202014.30486.464979.0890.946173.747
3/10/202019.40465.669975.6752.524179.362
29/12/20204.89778.060968.1971.015148.936
30/12/20203.77392.317978.2560.646193.396
31/12/2020−0.31197.963983.2391.055171.390

The ranges of variability of the measured parameters

Measurement datePM10 [μg/m3]PM2.5 [μg/m3]SO2 [μg/m3]NO [μg/m3]NO2 [μg/m3]NOX [μg/m3]
max174.146121.90241.503112.51145.820216.371
min7.4035.1825.5520.9595.9357.406
DOI: https://doi.org/10.2478/acee-2023-0060 | Journal eISSN: 2720-6947 | Journal ISSN: 1899-0142
Language: English
Page range: 167 - 174
Submitted on: Sep 14, 2023
|
Accepted on: Oct 31, 2023
|
Published on: Dec 31, 2023
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2023 Elwira Zajusz-Zubek, Zygmunt Korban, published by Silesian University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.