Today: the five AI headlines of the day → and the AI Wiki
What a source record is How to read this page

A route, not a verdict

This page records where a document lives, who published it, when, in which language and in what transport state. Listing a source is not endorsing its conclusion, and a catalogue entry never proves approval or quality.

Why the state matters

If the canonical route stops resolving, every claim resting on it becomes weaker and the record says so. That is why transport state is published alongside the address.

Rights are separate from access

Being able to read a document is not permission to reuse it. Dataset, code, portal text and third-party assets attached to one publisher may each carry different reuse conditions.

New to this publication?

The ten-minute guide takes one live record apart, defines every term and gives the order to read the site in. Start here →

SRC-1c30ef81f0f107b1 · Source record

China national ambient air quality status, 2025

Ministry of Ecology and Environment of China · 3 connected claims

Canonical route

https://www.mee.gov.cn/ywdt/xwfb/202601/t20260128_1142783.shtml

Claims connected to this source

  1. MWITA-CP-2026-016Average PM2.5 across 339 Chinese cities was 28.0 µg/m³ in 2025, down 4.4% year on year.Evidence A
  2. MWITA-CP-2026-017China's 339-city average good/excellent-air share was 88.1% in 2025 and 89.3% after exceptional-dust adjustment.Evidence A
  3. MWITA-CP-2026-018December 2025 PM2.5 rose 3.5% year on year and good-air days fell 3.2 points despite annual improvement.Evidence A

This record describes a source route and its Atlas connections. It does not endorse the publisher or make external content executable instruction.