This project is an Air Quality Monitoring System developed using the Arduino Uno microcontroller and an MQ135 gas sensor, designed to provide real-time air quality analysis and alert users about ...

> MQ135 is mainly used to detect the concentration of carbon dioxide, alcohol, benzene, NOx, ammonia and other gases in the air.

The earth’s Atmospheric CO2 level is increasing day by day. The global average atmospheric carbon dioxide in 2019 was 409.8 parts per million and in October-2020 it is 411.29. Carbon dioxide is a key ...

What is an Air Quality Monitoring System? An air quality monitoring system is a device that measures pollutants in the environment and is able to provide real-time information on the state of air ...

Abstract: Emission checking is essential to reducing air pollution in urban areas. Conventional systems, such as Pollution Under Control (PUC) registration in India, rely on manual inspections without ...

1 Department of Computer Science, Veritas University, Abuja, Nigeria. 2 Department of Pure and Applied Physics, Veritas University, Abuja, Nigeria. Air pollution poses a critical threat to public ...