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# Commission publishes Sentinel-4's first nitrogen dioxide image
- URL: https://sovereigntymonitor.eu/news/2025-10-21-sentinel4-first-no2-image/
- Published: 2025-10-21T12:00:00.000Z
- Updated: 2026-10-13T12:01:38.000Z
- Description: The Commission published Copernicus Sentinel-4's first nitrogen dioxide image, from data the geostationary satellite acquired on 8 October 2025, Europe's first geostationary mission for hourly air quality monitoring.
- Author: Reidar Balstad
- Tags: Defence and space, #news, #verified, #ai-drafted

Verified AI-drafted [European Commission DG DEFIS, 21 October 2025](https://defence-industry-space.ec.europa.eu/first-image-nitrogen-dioxide-copernicus-sentinel-4-2025-10-21%5Fen?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish when calibration finishes or routine hourly delivery begins.

**How this item counts.** This item is dated before the index starts on 1 January 2026, so it does not count in the [European Sovereignty Index](https://sovereigntymonitor.eu/sovereignty-index/).

**How this item was made.** Drafted by an AI system (Claude (Anthropic)) from the source cited above and published under the editor’s responsibility without a person reading it first. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)