Warsaw's Low-Cost Air Sensor Network and Municipal Smog Alerts — what changed https://1001smartcities.org/projects/warsaw-air-quality-monitoring/ Changes to the atlas record for “Warsaw's Low-Cost Air Sensor Network and Municipal Smog Alerts” in Warsaw: corrections, reclassifications, new sources and withdrawals. Every item resolves to an immutable snapshot; old versions keep their URL. An empty feed means this record has not been revised yet — subscribing now is the point. en Sat, 17 Oct 2026 22:23:16 GMT 1001 Smart Cities static content generator Warsaw's Low-Cost Air Sensor Network and Municipal Smog Alerts — Entered the record https://1001smartcities.org/versions/project/warsaw-air-quality-monitoring/2026-10-17-baseline/ project:warsaw-air-quality-monitoring:2026-10-17-baseline Sat, 17 Oct 2026 22:23:16 GMT recorded Created the first structured Evidence Passport with 23 claims and 10 source dossiers.