Emerging industrial sectors have an urgent requirement for air quality sensors that can identify and measure air pollutants, including carbon monoxide (CO), carbon dioxide (CO2), sulphur dioxide (SO2), and nitrogen dioxide (NO2). These pollutants pose significant risks to both human health and the environment. The study seeks to develop a gas monitoring tool able to produce PPM (parts per million) results. The ecological information will be sent to the server from the parametric data the sensors are gathering. These are the findings: Designed with MQ-135 gas sensor and IOT-based technologies, the air pollution monitoring device precisely detects CO2, SO2, and NO2 gases. The ESP-8266 produces a measure of air quality output from processing the gas sensor input. After that, this index shows on multiple websites and on the monitor. Using the MQ-135 sensor, the latest version of the air pollution detecting system can identify harmful amounts of CO2, SO2, as well as NO2 gases. It then presents an air quality index/value to customers of the Android application and computers.
Design and Implementation of a Wireless Air Quality Monitoring System using ESP8266-
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