Environmental issues with the complexity of the problem are interesting topics to discuss. Therefore, the Journal of Environmental Science and Sustainable Development will hold a National Mini-Symposium with the theme “Environmental Science and Sustainable Development Perspective” on September, 26th, 2019 in Margo Hotel, Depok. The mini-symposium is expected to produce several alternative solutions in solving environmental problems in Indonesia. Michelle Gunawan and also our lecturer, Filson Maratur Sidjabat attended this Mini-Symposium. She presented the paper entitled Evaluation of the Ambient Air Quality Monitoring System to Achieve Sustainable Environment in Indonesia and won the third best presenter at this event.