Arun Kumar Chaudhary et al. 2023. Development of a Low-Cost, High-Accuracy Particulate Matter (PM) Sensor for AQI Monitoring: Design and Validation of Model for Predicting AQI in Different Areas . Metallurgical and Materials Engineering. 30, 1 (Dec. 2023), 81–93. DOI:https://doi.org/10.63278/mme.v30i1.1187.