Wang, X., Wang, Y., Zhao, Y., Tian, M., Wu, X., Zhang, Y., Gao, F., Sun, J., Wei, X., Yang, X. and Qu, X. (2023) “Impact of the COVID-19 lockdown on air pollution in an industrial city in Northeastern China”, Journal of Environmental Engineering and Landscape Management, 31(3), pp. 219–231. doi: 10.3846/jeelm.2023.19472.