Dataset for Soil Nitrogen Oxide Emissions and their Impacts on Air Quality Over the United States. This dataset is not publicly accessible because: EPA did not generate the dataset. Rice University generated it. It can be accessed through the following means: Professor Daniel Cohan of Rice University can be contacted for the dataset. Email: cohan@rice.edu. Format: N/A. This dataset is associated with the following publication: Parajuli, G., L. Luo, G. Sarwar, and D.S. Cohan. Soil nitrogen oxide emissions and their impacts on air quality over the United States. ATMOSPHERIC ENVIRONMENT. Elsevier B.V., Amsterdam, NETHERLANDS, 382: 122225, (2026).