@Article{acp-25-14411-2025,
AUTHOR = {Yu, C. M. and Chin, M. and Tan, Q. and Bian, H. and Colarco, P. R. and Yu, H.},
TITLE = {Assessing COVID-19 lockdowns' impacts on global urban PM$_{2.5}$ air
quality with observations and modeling},
JOURNAL = {Atmospheric Chemistry and Physics},
VOLUME = {25},
YEAR = {2025},
NUMBER = {21},
PAGES = {14411--14434},
URL = {https://acp.copernicus.org/articles/25/14411/2025/},
DOI = {10.5194/acp-25-14411-2025}
}