As far as I know no CFC products are being proposed for Sentinel-5p (http://www.tropomi.eu/data-products/level-2-products http://www.tropomi.eu/data-products/le

As far as I know no CFC products are being proposed for Sentinel-5p (http://www.tropomi.eu/data-products/level-2-products http://www.tropomi.eu/data-products/level-2-products) but it will certainly report ozone levels and profiles. In the original Nature paper reporting the detection of unreported CFC production, they used flask samples and numerical back-trajectory methods: https://www.nature.com/articles/s41586-018-0106-2 https://www.nature.com/articles/s41586-018-0106-2