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Show HN: 7 Years of Tropospheric NO₂ (no2.libmap.org)
1 points by tomtomistaken 66 days ago
I got inspired by the Show HN post about 41 years of sea surface temperature anomalies[0] and made a similar visualization showing global tropospheric nitrogen dioxide (NO₂) density over time, measured by Sentinel-5P TROPOMI.

[0]https://news.ycombinator.com/item?id=47702791