Arduino Air Quality Monitoring System Circuit Diagram. The complete air quality monitoring system project connection will be as follows with an OLED, DHT11 and MQ135 gas sensor connected to Arduino ...

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 ...

The IoT-based air quality monitoring system described in this study uses cloud computing and Arduino to gather and analyze data in real-time. The system uses a collection of sensors, including ...

Abstract: An intelligent air quality monitoring system, based on the versatile and widely-used Arduino Uno microcontroller, has been designed and developed as the foundational platform. The system was ...

This repository includes the Arduino C code (monitoring_arduinoC.ino) for the air quality monitoring system. To be used with the ESP32 microcontroller, a BME680 sensor, a push button for input, and an ...

Fig. 2: Circuit diagram of ESP32-based air quality monitoring system ESP32 NodeMCU Fig. 3: ESP32 NodeMCU. It is a low-power microcontroller (MCU) with integrated Wi-Fi and dual-mode Bluetooth—it is a ...

Air Quality Index Calculation. The AQI in India is calculated based on the average concentration of a particular pollutant measured over a standard time interval (24 hours for most pollutants, 8 hours ...