International Journal For Multidisciplinary Research

E-ISSN: 2582-2160   •   Impact Factor: 9.24

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Solar-Powered Outdoor Air Purifier and Air Quality Monitoring System with IoT Integration

Author(s) Mr. Santi Omprakash Goud, Ms. A Archaa, Mr. Syed M ustakhim Hussain, Mr. Swamy Sainadh, Mr. Gonti Eshwa
Country India
Abstract Rapid urbanization and industrial expansion have led to a critical rise in outdoor air pollution, introducing harmful pollutants like LPG leaks, smoke, and toxic gases that threaten public health. Traditional monitoring systems often fail due to a lack of real-time data and manual operation requirements. This paper presents a sustainable solution: an automated, solar-powered air purification and monitoring system integrated with Internet of Things (IoT) technology. The system utilizes an Arduino Uno as a central controller, interfaced with MQ6 and MQ135 sensors to detect flammable gases and general air quality in Parts Per Million (PPM). When pollution levels exceed a predefined safety threshold, the system automatically triggers a multi-stage purification unit via a relay module. To ensure sustainability, the entire unit is powered by a 10W solar panel and a 2.3Ah battery backup, making it independent of the power grid. Real-time data is transmitted to the Thing Speak IoT cloud platform every 15 seconds using an ESP32 Wi-Fi module, allowing users to monitor environmental conditions remotely through a digital dashboard. Results demonstrate that the system effectively identifies pollution spikes and re- duces pollutant concentration through automated intervention. This project aligns with global Sustainable Development Goals (SDGs), specifically focusing on Good Health, Clean Energy, and Sustainable Cities.
Keywords IoT, Solar Energy, Air Quality Monitoring, Arduino Uno, MQ6, MQ135, Thing Speak, Sustainability, Automation, Air Purification, HEPA Filter
Field Engineering
Published In Volume 8, Issue 2, March-April 2026
Published On 2026-04-06
DOI https://doi.org/10.36948/ijfmr.2026.v08i02.73798
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