#co2level
Live, measured metrics for the hashtag #co2level from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #co2level
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.social (Mastodon public tags API) · fetched 2026-11-15 01:38 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.social (Mastodon public search API) · fetched 2026-11-15 01:38 UTCLive pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-11-15 01:38 UTCEverything below is measured over the latest 2 public posts (spanning ~836 hours).
Posting hours (UTC)
Languages: English (2)
Avg boosts / post: 0.5
Top of the latest posts
My #university #AcademicEmployment doesn't provide #CO2Level indicators in #SeminarRooms, & only "recommends" #masks so 3/4 of my colleagues run around maskless in un-aired spaces. I see 96 students/wk. 🤐 Carted a small HEPA filter to my s
What good is a #SmartHome? #Ventilation is important to prevent #CovidInfections. As I was exposed a little under two weeks ago, figuring out how #WellVentilated my house is has been on my mind. #CO2Level is a useful proxy for ventilation (
#co2level across platforms
every network with a public tag surfaceFollow #co2level 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/co2level