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International Journal of Advanced Computer Science and Applications(IJACSA), Volume 12 Issue 10, 2021.
Abstract: The Peruvian government declared a State of National Emergency due to the spread of COVID-19 where the closure of businesses, companies and home isolation was imposed from 03/15/2020 to 06/30/2020. In this context, the research focused on analyzing the characteristics of the air quality in Lima during said period compared to its similar in 2018 and 2019, for this purpose, data from two air quality monitoring stations in PM2.5, PM10, CO and NO2 concentrations and the quality levels given by the Air Quality Index (INCA) were used for further processing with the Grey Clustering method, which is based on grey systems. The results showed that during the quarantine, air quality improved significantly, specifically the northern area of Lima, which was favored by the meteorological conditions that will be classified as good quality as well as the reduction of PM10 by 46% and PM2.5 in 45% to a lesser extent, NO2 by 17% and CO in 11%, unlike the southern zone which, although it showed an improvement, it is still classified as moderate quality with reductions in PM10 by 26%, PM2.5 by 27%, CO by 19%,; however the concentration NO2 registered a non-significant increase of 2%. This behaviour is explained by the lower height of the thermal inversion layer, therefore less space for the dispersion of pollutants. Finally, the study obtains essential information for regulatory agencies as it allows understanding the relationship between air quality and control measures at emission sources for the development of public policies on public health and the environment.
Alexi Delgado, Denilson Pongo, Katherine Felipa, Kiara Saavedra, Lorena Torres and Ch. Carbajal, “How to Analyze Air Quality During the COVID-19 Pandemic? An Answer using Grey Systems” International Journal of Advanced Computer Science and Applications(IJACSA), 12(10), 2021. http://dx.doi.org/10.14569/IJACSA.2021.0121045
@article{Delgado2021,
title = {How to Analyze Air Quality During the COVID-19 Pandemic? An Answer using Grey Systems},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2021.0121045},
url = {http://dx.doi.org/10.14569/IJACSA.2021.0121045},
year = {2021},
publisher = {The Science and Information Organization},
volume = {12},
number = {10},
author = {Alexi Delgado and Denilson Pongo and Katherine Felipa and Kiara Saavedra and Lorena Torres and Ch. Carbajal}
}
Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.