Global tropospheric ozone reanalyses constructed using different state-of-the-art satellite data assimilation systems. prepared as part of the Copernicus Atmosphere Monitoring Service (CAMS-iRean and CAMS-Rean) as well as two fully independent reanalyses (TCR-1 and TCR-2. Tropospheric Chemistry Reanalysis). have been intercompared and evaluated for the past decade. https://fitnessgravesyardes.shop/product-category/gaurd/