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Relationship Between the Concentrations Of PM2.5 Indoors Obtained by Using the Optical and Gravimetric Methods: Preliminary Analysis

Jozef S. PASTUSZKA

Jozef S. PASTUSZKA

Faculty of Power and Environmental Engineering, Silesian University of TechnologyGliwice, Poland
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PASTUSZKA, Jozef S.
  
27 janv. 2021
Relationship Between the Concentrations Of PM2.5 Indoors Obtained by Using the Optical and Gravimetric Methods: Preliminary Analysis's Cover Image
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Catégorie d'article: research-article
Publié en ligne: 27 janv. 2021
Pages: 105 - 113
Reçu: 26 oct. 2020
Accepté: 23 nov. 2020
DOI: https://doi.org/10.21307/acee-2020-035
Mots clés
© 2020 Jozef S. Pastuszka published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

Statistical dependence between the concentrations of PM2.5 in the atmospheric air in Katowice, measured with a low-cost sensor, and data obtained simultaneously from a nearby air monitoring station
Statistical dependence between the concentrations of PM2.5 in the atmospheric air in Katowice, measured with a low-cost sensor, and data obtained simultaneously from a nearby air monitoring station

Figure 2.

Mass concentration levels of PM2.5 (Cgrav ) corresponding to the concentration values obtained by the sensor (Csensor ). Results are calculated according to equation (6) and compared to the experimental data. (Correlation coefficient = 0.9780; Spearman coefficient = 0.9746)
Mass concentration levels of PM2.5 (Cgrav ) corresponding to the concentration values obtained by the sensor (Csensor ). Results are calculated according to equation (6) and compared to the experimental data. (Correlation coefficient = 0.9780; Spearman coefficient = 0.9746)

Concentration of PM2_5 obtained by using the Grimm instrument, the low-cost sensor and the SKC sampler (gravimetric method)_ Source: [23]

Day Concentration of PM2.5, µg m-3 ΔGrimm% ΔSensor%
Grimm Sensor Grav. (SKC)
27.10.2017 4.0 15.0 12.4 67.7 21.0
8.11.2017 8.3 30.0 17.3 52.0 73.4
22.11.2017 12.3 39.0 18.3 32.8 113.1
17.12.2017 37.1 51.2 27.5 34.9 86.2
4.01.2018 5.1 13.0 10.4 51.0 25.0
7.01.2018 23.9 57.2 24.1 0.8 137.3
14.01.2018 2.8 11.5 4.2 33.31 173.8
20.01.2018 17.5 48.5 23.0 23.9 110.9
28.01.2018 41.1 117.6 46.6 11.8 152.4
3.03.2018 21.5 64.3 31.0 30.6 107.4
Arithmetic mean 17.4 44.7 21.4 33.9 100.1

Contribution of airborne particles with a diameter between 1 and 2_5 µm to the mass concentration of PM2_5 indicated by the Grimm instrument and the low-cost sensor

Day Concentration of airborne particles, µg m-3 PM2.5-PM1
PM1 PM2.5 PM2.5
Grimm Sensor Grimm Sensor Sensor Grimm
27.10.2017 3.4 11.0 4.0 15.0 26.7 15.0
30.10.2017 1.0 3.0 1.4 4.0 25.0 28.6
3.11.2017 2.9 11.1 3.5 15.0 26.0 17.1
8.11.2017 7.6 19.0 8.3 31.1 38.9 8.4
21.11.2017 5.5 15.8 6.1 22.0 31.8 9.8
22.11.2017 11.3 28.0 12.3 39.0 28.2 8.1
17.12.2017 33.4 33.3 37.1 51.2 35.0 10.0
4.01.2018 4.5 9.3 5.1 13.0 28.5 11.8
7.01.2018 21.9 39.2 23.9 57.2 31.5 8.4
14.01.2018 2.6 9.0 2.8 11.5 21.7 7.1
20.01.2018 15.8 34.0 17.5 48.5 29.9 9.7
28.01.2018 38.8 74.5 41.1 117.6 36.6 5.6
3.03.2018 18.1 43.1 21.5 64.3 33.0 5.8
Arithmetic Mean 12.8 25.3 14.2 37.6 30.2 11.2
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