Global, regional and national estimates of the burden of childhood asthma attributable to NO2 exposure for 204 countries and territories from 1990 to 2023: a Global Burden of Disease study 2023

Background: exposure in 204 countries and territories from 1990 to 2023. Methods: -asthma association and its strength of supporting evidence. Findings: ranks second as risk factor for pediatric asthma contributing to 20,100 (-17 600, 105,000) YLDs in 2023. Interpretation: pollution, especially in high-income locations and urban areas. Funding: The research described in this article was conducted in part under contract with the Health Effects Institute (HEI), an organization jointly funded by the United States Environmental Protection Agency (EPA) and certain motor vehicle and engine manufacturers, grant number 4977/20-11. The contents of this article do not necessarily reflect the views of HEI or its sponsors, nor do they necessarily reflect the views and policies of the EPA or motor vehicle and engine manufacturers. Additional funding for this study was received by the Gates foundation, grant no. OPP1152504 for MB, KB, and SW. SA, DG, AM and GHK were supported by NASA grant no. 80NSSC21K0511 and SA and GHK NIH grant no. P20ES036775.