Abstract
In this paper, an IoT-based indoor air quality monitoring platform, consisting of an air quality-sensing device called “Smart-Air” and a web server, is demonstrated. This platform relies on an IoT and a cloud computing technology to monitor indoor air quality in anywhere and anytime. Smart-Air has been developed based on the IoT technology to efficiently monitor the air quality and transmit the data to a web server via LTE in real time. The device is composed of a microcontroller, pollutant detection sensors, and LTE modem. In the research, the device was designed to measure a concentration of aerosol, VOC, CO, CO2, and temperature-humidity to monitor the air quality. Then, the device was successfully tested for reliability by following the prescribed procedure from the Ministry of Environment, Korea. Also, cloud computing has been integrated into a web server for analyzing the data from the device to classify and visualize indoor air quality according to the standards from the Ministry. An application was developed to help in monitoring the air quality. Thus, approved personnel can monitor the air quality at any time and from anywhere, via either the web server or the application. The web server stores all data in the cloud to provide resources for further analysis of indoor air quality. In addition, the platform has been successfully implemented in Hanyang University of Korea to demonstrate its feasibility.
Highlights
Atmospheric conditions continue to deteriorate each year due to the growth of civilization and increasing unclean emissions from industries and automobiles
According to the World Health Organization (WHO), 90 percent of the population breathes polluted air, and air pollution is the cause of death for 7 million people every year [4, 5]
The cloud computing based web server introduced in this platform analyzes real-time data and adds visual effects to illustrate the conditions of the indoor air quality
Summary
Atmospheric conditions continue to deteriorate each year due to the growth of civilization and increasing unclean emissions from industries and automobiles. A device called “Smart-Air” was developed to precisely monitor indoor air quality and efficiently transmit real time data to a cloud computing-based web server using an IoT sensor network. The cloud computing based web server introduced in this platform analyzes real-time data and adds visual effects to illustrate the conditions of the indoor air quality. (i) We propose the use of the Smart-Air for the precise monitoring of indoor air quality (ii) We propose the utilization of an IoT for efficient monitoring of real-time data (iii) We propose the adoption of cloud computing for real-time analysis of indoor air quality (iv) We originally developed a mobile application to make the proposed IoT system with features of anytime, anywhere (v) The device has been tested for reliability of the data and the platform has been implemented in a building to test its feasibility
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