Core data used in S5P-LNO2-Notebook repository for Zhang et al. (2023). For the full S5P LNO2 product (June-August, 2019-2021), please check the Arctic lightning NO2 product (2019, 2020, 2021). Reference Zhang et al., Spaceborne observations of lightning NO2 in the Arctic, Environ. Sci. Technol. Date files CAMS CAMS anthropogenic, ship, and soil NOx emissions (2018) clean lightning Two clean lightning cases of S5P LNO2 product. Because it is ~1G per file, I just uploaded two files. era5 Monthly CAPE (2019-2021 summer) GFAS GFAS wildfire NOx emission (2018-2021) gld360 See 10.5281/zenodo.7528016 (need request) lno2 Lightning NO2 emission product LNO2_emiss.nc LNO2_emiss_area.nc LNOx profile of Luo et al. 2016 Gridded 0.1 x 0.1 LNO2 product S5P_LNO2_grid.nc vars: lno2, lno2_max, lno2_sum, lightning, and lightning_500hpa S5P_LNO2_grid_product.nc vars: no2, lno2, lightning_counts, and cloud_pressure_crb LNO2 lifetime products S5P_LNO2_lifetime.csv S5P_LNO2_lifetime.nc (without lightning data, need request for original data) LNO2 production products S5P_LNO2_production.csv S5P_LNO2_production.nc (without lightning data, need request for original data) S5P_LNO2_production_**.csv (sensitivity tests) Lightning within TROPOMI swath swath_lightning_**.csv (need request) merra2 MERRA2 AOD netcdf files otd OTD low resolution and high resolution monthly data tropomi Web scrapied S5P-PAL TROPOMI NO2 L2 swath shapes tropomi_regrid_combine Regridded summertime TROPOMI NO2 L2 data viirs VIIRS fire archive csv data