clm-01bf95ca29161577
quantitative
Barcelona's public health agency (ASPB) measured a 25% drop in NO2 in the pedestrianised area.
Permanent project revision
Revision 2026-08-20-source-dates · effective 2026-07-16
Superseded. A later revision exists: 2026-08-27-p1-quality-uplift →
Created the first structured Evidence Passport with 1 claim and 3 source dossiers.
sha256:0e2e1325835a053427af7003472f6a5cece903f539c0a8c0be030451b61061f5
add /evidencePassport — Added claim-level evidence mapping and source dossiers.add /revisionHistory — Established a permanent, hash-addressed baseline revision.The text below is copied verbatim from the published record. Each claim names the source dossiers that carry it; caveats stay attached to the claim they qualify.
clm-01bf95ca29161577
quantitative
Barcelona's public health agency (ASPB) measured a 25% drop in NO2 in the pedestrianised area.
This layer records what is known about each source, what is still missing, and the exact snapshot this page is rendering. A missing date, archive or hash stays visible as missing.
Awaiting operator and domain-expert review; publication of this revision implies neither.
sha256:0e2e1325835a053427af7003472f6a5cece903f539c0a8c0be030451b61061f5
src-ac9b2e90f3480d45Official page by the city or public authority behind the project.
src-62dfc6664480cf35Official city news page on the Sant Antoni superblock (tactical 2018, permanent works 2019, greening).
src-d2de93fc6662cbfcTrade publication reporting the ASPB finding of a 25% NO2 drop at the Sant Antoni superblock.