https://doi.org/10.5194/acp-25-9127-2025-supplement

QA4ECV HCHO tropospheric column data from OMI F. Boersma et al. https://doi.org/10.21944/qa4ecv-no2-omi-v1.1

QA4ECV NO2 tropospheric and stratospheric column data from GOME F. Boersma et al. https://doi.org/10.21944/qa4ecv-no2-gome-v1.1

QA4ECV NO2 tropospheric and stratospheric column data from SCIAMACHY F. Boersma et al. https://doi.org/10.21944/qa4ecv-no2-scia-v1.1

Sentinel-5P TROPOMI Tropospheric NO2 1-Orbit L2 7 km x 3.5 km Copernicus Sentinel-5P https://doi.org/10.5270/S5P-s4ljg54

Sentinel-5P TROPOMI Tropospheric NO2 1-Orbit L2 5.5km x 3.5km Copernicus Sentinel-5P https://doi.org/10.5270/S5P-9bnp8q8

OPOMI Tropospheric Formaldehyde HCHO 1-Orbit L2 7km x 3.5km Copernicus Sentinel-5P https://doi.org/10.5270/S5P-tjlxfd2

Sentinel-5P TROPOMI Tropospheric Formaldehyde HCHO 1-Orbit L2 5.5km x 3.5km Copernicus Sentinel-5P https://doi.org/10.5270/S5P-vg1i7t0

ropospheric Ozone Assessment Report, links to Global surface ozone datasets M. G. Schultz et al. https://doi.org/10.1594/pangaea.876108

QA4ECV HCHO tropospheric column data from OMI I. D. De Smedt et al. https://doi.org/10.18758/71021031