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Abstract: A cutting-edge Air QualitCy Monitoring System leveraging Node MU was developed to tackle the mounting concerns surrounding air pollution. The system comprehensively monitored various parameters including Suspended Particulate Matter (SPM), Carbon Dioxide, Ozone, Carbon Monoxide, Smoke, temperature, and humidity. To capture pollutant data, sensors such as MQ4, MQ135, MQ9, and DHT11 were employed. These sensors gathered data, which were then processed using an Analog to Digital converter and analyzed utilizing the software capabilities of Node MCU. The experiment was conducted in Rajarhat, New Town, Kolkata, and the obtained results were compared against data from the local environmental control authority. The comparison highlighted the system's effectiveness in providing real-time data for informed decision-making amidst the heightened air pollution prevalent across Indian cities.
Ramya et al. (Sun,) studied this question.