Development of air quality monitoring system

Mohd Jasmin, Muhamad Faris Naqib (2021) Development of air quality monitoring system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Today, air pollution is the world's most serious environmental health problem. Air pollution has a detrimental effect on human health, the environment, and ecosystems. The air is contaminated by toxic gases released by industry, vehicle emissions, and an increase in harmful gas and particulate matter concentrations. Air pollution can result in a variety of serious health problems in humans, including respiratory, cardiovascular, and skin diseases. Air pollution has developed into the most serious environmental health hazard, and monitoring of air quality has increased. In an attempt to contribute technological instruments, this work proposes an IoT-based system for monitoring the most novice health pollutants using low-sensor systems, as proposed in the World Health Organization recommendations. The proposal presents the development in the hardware layer of a device able to measure the concentrations of the following pollutants: Particulate Material (PM 2.5), Carbon Dioxide, Carbon Monoxide, Temperature, humidity and utilizing three sensors, respectively, DHT11, Dust Sensor and MQ-135. Recently, mobile technologies, especially the Internet of Things, data and machine learning technologies, positively impact the way we manage our health and lifestyle. With the production of IoT-based portable air quality measuring devices and their widespread use, people can instantly monitor the air quality in their living areas. In this study, a real-time mobile air quality monitoring system with air parameters such as Particulate Matter (PM 2.5), CO, CO2, humidity and temperature is proposed. The device will be equipped with a WeMos D1 Wi-Fi R3 microcontroller, which includes a Wi-Fi interface that enables data to be sent to a cloud-based server, such as the ThingSpeak webpage. It is important to note that what differentiates the proposal from others is implementing periodic notifications and sending alerts for cases in which a given pollutant has reached the maximum acceptable concentration.

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