Citywide mobile air quality monitoring using GPS-enabled low-cost IoT sensorsShreyash Gujar, Hitesh Pamireddy, Naga Saiteja Maradani, Spanddhana Sara, Sachin Chaudhari and K. S. RajanE3S Web Conf., 620 (2025) 01002DOI: https://doi.org/10.1051/e3sconf/202562001002