#280ppm
Live, measured metrics for the hashtag #280ppm from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #280ppm
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-11-14 08:07 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-11-14 08:07 UTCNo related tags with measured usage found for #280ppm.
Live pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-14 08:07 UTCEverything below is measured over the latest 1 public posts.
Posting hours (UTC)
Languages: English (1)
Avg boosts / post: 0
Used together with
Top of the latest posts
Does anyone know where to get "280" t-shirts? The ten "350" t-shirts I wear are getting old anyway. And they've been worn for so long that a change to "280" will spark some conversation. > Just to stop temperatures going any higher means co
What “280ppm” means
Wiktionary#280ppm across platforms
every network with a public tag surfaceFollow #280ppm straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/280ppm