Fig. 3From: Urbanization, economic development, and environmental changes in transitional economies in the global south: a case of YangonChanges in PM2.5, NO2, and CO concentrations in Yangon from 1997 to 2021. While the concentrations of CO decreased from the late 1990s, the concentrations of NO2 and PM2.5 increased from the late 1990s to 2019Back to article page