Lok Lamsal (614/UMBC) is one of two scientists involved with the NASA Scientific Visualization Studio (SVS) product, "Nitrogen Dioxide Over the United States, 2005-2022." Dr. Lamsal works with colleagues on developing the OMI NO2 Standard Product. He also provided a relevant algorithm paper for reference:
Lamsal, Lok N., Krotkov, Nickolay A., Vasilkov, Alexander, Marchenko, Sergey, Qin, Wenhan, Yang, Eun-Su, Fasnacht, Zachary, Joiner, Joanna, Choi, Sungyeon, Haffner, David, Swartz, William H., Fisher, Bradford, Bucsela, Eric (2021). Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments, 14 (1), 455-479, doi:10.5194/amt-14-455-2021.