Indoor Air Quality Monitoring Systems: A Comprehensive Review of Different IAQM Systems

Indoor Air Quality Monitoring Systems: A Comprehensive Review of Different IAQM Systems

Rasha AbdulWahhab, Karan Jetly Jetly, Shqran Shakir
Copyright: © 2021 |Pages: 14
DOI: 10.4018/IJKBO.2021070101
This article was retracted

Abstract

Research activity in the field of monitoring indoor quality systems has increased dramatically in recent years. Monitoring closed areas can reduce health-related risks due to poor or contaminated air quality. In the current COVID pandemic, the population has observed that improving ventilation in the closed area can significantly reduce infection risk. However, the significance of air quality statistics makes highly accurate real-time monitoring systems vital. In this paper, several researchers' protocols and the methodologies for monitoring a good high indoor air quality system are presented. The majority of the reviewed works are aimed to reduce air pollution levels of the atmosphere. The vast majority of the identified works utilized IoT and WSN technology to fix the partial access to sensed data, high cost, and non-scalability of conventional air monitoring systems. Furthermore, ad-hoc approaches are predominantly used to help society change its attitude and impose corrective actions to improve air quality. This paper presents a short but comprehensive review of several researchers works with different approaches to ecological trend analysis capabilities, drawing on existing literature works. Overall, the findings highlight the need for developing systematic protocols for these systems and establishing smart air quality monitoring systems capable of measuring pollutant concentrations in the air.
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2. Air Pollutants Types

Air pollution means the contaminants resulting from either human activities or caused by natural events such as a fire. Air pollutants, regardless of their origin, can be characterized into two types. The primary pollutants are the first category, while the secondary pollutants are of the other type.

  • Definition 1 - Primary Pollutants: Pollutants by this type generated by natural or human activities such as Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Ammonia(NH3), Volcanic Organic Compound (VOC), Sulphur Dioxide (SO2), and Nitric Oxide (NO). These types of pollutants have a high health impact.

  • Definition 2 - Secondary Pollutants: The interaction between the primary pollutants generates the pollutants of this type, such as Ozone (O3), SO3, Ammonium (NH4), Particulates (PM2.5 and PM10), and Sulphur Trioxide (SO3).

The presence and the concentration of pollutants in the environment is variable. Some of them have a short-term impact, while the other has a long-term effect. Both of them affect human health, ecosystem, and cultural heritage.

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