Bhowmick A.Olsen-Kettle L.Li Y.Boontanon S.K.Boontanon N.Mahidol University2026-06-082026-06-082026-01-01Atmospheric Environment X (2026)https://repository.li.mahidol.ac.th/handle/123456789/117138The authors regret to inform that the article contained several errors and apologise for the caused inconvenience. The correct text underlined italics replace the corresponding information. Graphical Abstract.(Figure presented) 2.1. Configuration of CUPI-G device. The CUPI-G employs a direct sampling system with three inlets/outlets for airflow and was installed under the roof to avoid direct sunlight. The compact device (30 cm x21cmx18cm, 5 kg). Acknowledgements addition: We would like to express our gratitude to the Atmospheric Chemistry Lab, Kyoto University, Japan. We would like to acknowledge the contribution of Yosuke Sakamoto, Kentaro Murano, and Yoshizumi Kajii for providing the CUPI-G device for this research. References. Ly, B.T., Matsumi, Y., Nakayama, T., Sakamoto, Y., Kajii, Y., Nghiem, T.,2018. Characterizing PM<inf>2</inf>.<inf>5</inf> in Hanoi with new high temporal resolution sensor. Aerosol Air Qual. Res. 18 (9), 2487–2497, URL: https://doi.org/10.4209/aaqr.2017.10.0435. The authors would like to apologise for any inconvenience caused and confirm that these changes do not affect the results of the study.Earth and Planetary SciencesEnvironmental ScienceCorrigendum to “Performance assessment and deployment of a low-cost device for urban air quality monitoring in a developing country”(Atmospheric Environment: X, (2025), 28, C, (100386), (S2590162125000760), 10.1016/j.aeaoa.2025.100386)ErratumSCOPUS10.1016/j.aeaoa.2026.1004662-s2.0-10504056797525901621