Kaur, Jaspreet. 2024. “A Comparative Review of Air Quality in India’s Most Populated Capitals: Analyzing AQI Based on Environmental Pollutants PM2.5, Carbon Monoxide (CO), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), and Ozone (O3)”. EAI Endorsed Transactions on Sustainable Manufacturing and Renewable Energy 1 (1). https://publications.eai.eu/index.php/sumare/article/view/7667.