Development of an IoT-based air quality monitoring system for healthy environment using Arduino

Mohamad Huzzannie, Ainin Sofiya (2025) Development of an IoT-based air quality monitoring system for healthy environment using Arduino. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The deterioration of air quality poses significant health risks and environmental challenges globally. To address this issue, the development of an IoT-based air quality monitoring system using Arduino technology. This system is designed to provide real-time data on various air pollutants, contributing to healthier living environments. This project utilizes an array of sensors, including gas sensors for CO2, CO, NO2, and particulate matter, as well as temperature and humidity sensors, all integrated with an Arduino microcontroller. These sensors continuously collect air quality data, which is processed and transmitted via a Wi-Fi module to a centralized cloud server. Key features of the system include real-time monitoring, cloud-based data analytics, a user-friendly web and mobile application interface, scalability for additional sensors, and cost-effectiveness through the use of affordable components. The development process involves designing and programming the sensor modules, integrating them with the Arduino board, and ensuring reliable data transmission to the cloud. Result on this project indicate the prototype's reliable performance in detecting and reporting air quality metrics. This IoT-based system offers a proactive approach to managing environmental health by providing accurate, real-time information, empowering individuals, communities, and policymakers to make informed decisions to mitigate air pollution and protect public health.

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