HUMPHREY, Ibifubara; DAVID ADEWOYIN , Adeyinka; FLORENCE HUMPHREY , Olamide; TIMOTHY FAKOREDE, Oluwasegun. Design and Deployment of a Low-Cost IoT-Based Air Quality Monitoring System Using ESP32, BME688, and MQ135 Sensors in Urban Lagos, Nigeria. Journal of Applied Engineering Science and Technology, [S. l.], v. 5, n. 2, 2025. DOI: 10.69717/jaest.v5.i2.139. Disponível em: https://journals.univ-biskra.dz/index.php/jaest/article/view/139.. Acesso em: 6 dec. 2025.