Indoor Discuss Quality Checking System

In recent years, indoor air quality has become a major concern due to the negative impact it has on human health. In this paper, we propose an Indoor Air Quality Monitoring System (IAQMS) based on Internet of Things (IoT) technology, which monitors the levels of temperature, humidity, dust, and CO2 in indoor environments. The system is composed of DHT11 sensor for temperature and humidity, GP2Y10 sensor for dust, MQ2 sensor for CO2, ESP1 and Arduino Nano as microcontrollers, LCD Display, and a mobile application developed using Flutter and Firebase Real time Database. The IAQMS allows users to receive real-time updates on the air quality levels through the mobile application, enabling them to take necessary actions to improve the air quality in their indoor environments.