#particulatematter

Live, measured metrics for the hashtag #particulatematter from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #particulatematter

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.

$5.00/ year · 17-character #name
Claim #particulatematter — $5.00/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
8
Uses / 7 days
Mastodon
8
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
0.9
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-09-26 21:54 UTC
1
09-20
1
09-21
1
09-22
1
09-23
1
09-24
2
09-25
1
09-26

8 uses by 8 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 2026-09-26 21:54 UTC
#pm25particulatematter
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-09-26 21:54 UTC

Everything below is measured over the latest 40 public posts (spanning ~1032 hours).

Posting hours (UTC) — busiest: 18:00

00:0012:0023:00

Languages: English (40)

Avg boosts / post: 0.2

Top of the latest posts

  • We're taking pre-orders for Model X3, built around Tera NextPM. It measures PM₁, PM₂.₅, PM₁₀, temperature, humidity and barometric pressure. In humid conditions, NextPM's inlet heater helps reduce the PM overreading that moisture can cause.

    VisiblAir@[email protected]♥ 2↻ 42026-09-25 15:22 UTCView post →

  • DAILY AIR QUALITY UPDATE #Feinstaub in #Cannstatt / #Stuttgart (23.09.2026 20:06 CET) PM10: 3.7 µg/m³ PM2.5: 2.1 µg/m³ Details: https://maps.sensor.community/#15/48.8040/9.2280 This is a bot. Code is available on github aschuma/air_tweets.

    air tweets - cannstatt@aschuma♥ 2↻ 02026-09-23 18:06 UTCView post →

  • DAILY AIR QUALITY UPDATE #Feinstaub in #Cannstatt / #Stuttgart (26.09.2026 20:06 CET) PM10: 5.5 µg/m³ PM2.5: 4.3 µg/m³ Details: https://maps.sensor.community/#15/48.8040/9.2280 This is a bot. Code is available on github aschuma/air_tweets.

    air tweets - cannstatt@aschuma♥ 1↻ 02026-09-26 18:06 UTCView post →

#particulatematter across platforms

every network with a public tag surface

Follow #particulatematter 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.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

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/particulatematter