Permanent project revision

GRAP: Air Quality Readings as a Legal Trigger

Revision 2026-08-20-source-dates · effective 2026-07-26

Superseded. A later revision exists: 2026-08-20-source-dates-2 →

unreviewed

Created the first structured Evidence Passport with 1 claim and 9 source dossiers.

sha256:2e793017a33e636adcac83dc7032ffb755f26fce115219b495385d263b3f0465

Change set

  • add /evidencePassport — Added claim-level evidence mapping and source dossiers.
  • add /revisionHistory — Established a permanent, hash-addressed baseline revision.
1
of 1 claims mapped
9
source dossiers
7
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Claims, one by one

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.

Claim 1 clm-15740b5492351ac0 quantitative
In 2025, GRAP stages were invoked only after the AQI had already climbed past the threshold on 13 of 17 occasions
Published field
impact · verbatim
Mapping
mapped · no interpretation or interpolation added by this passport
What the mapping says
The entry notes independent reviewers find the mechanism reactive in practice.
Caveat
Delhi's monitors have been accused of being sprayed with water or dropping offline at peak pollution.

Sources carrying this claim

  1. CEEW — How can GRAP deliver more sustained improvement in air quality? (21 May 2026)

Source dossiers and revision state

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.

unreviewed Revision 2026-08-20-source-dates effective 2026-07-26 · created 2026-08-20

Awaiting operator and domain-expert review; publication of this revision implies neither.

sha256:2e793017a33e636adcac83dc7032ffb755f26fce115219b495385d263b3f0465
1
of 1 claims mapped
9
source dossiers
7
publication dates recorded
0
archives linked
0
exact locators
0
content captures hashed

Governance facts carried by the record

Operator
Commission for Air Quality Management in NCR and Adjoining Areas (CAQM); monitoring network run by Delhi Pollution Control Committee, Central Pollution Control Board, IMD and IITM
Actor types
national-government, city-government, research
Funding model
public
Funding description
Not recorded
Cost
Not recorded
Ownership
Not recorded
Decision rights
Not recorded
Exit conditions
Not recorded

9 source dossiers

CAQM — Graded Response Action Plan schedule (official document) caqm.nic.in · background

Open original source ↗

Stable source ID
src-6b8cccbc2b5d562d
Publisher
Name not classified · caqm.nic.in
Type / language
pdf · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

The operative GRAP schedule published by the Commission for Air Quality Management: the four stages, their AQI bands and the measures attached to each.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
PIB — CAQM revises GRAP schedule, making it more stringent (21 Nov 2025) pib.gov.in · background

Open original source ↗

Stable source ID
src-1df5e0db1641f943
Publisher
Name not classified · pib.gov.in
Type / language
web-page · language not classified
Published
2025-11-21
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Most recent revision: measures moved into earlier stages. Confirms the regime is active and being tightened.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
PIB — CAQM invokes Stage-III of GRAP in the entire NCR pib.gov.in · background

Open original source ↗

Stable source ID
src-52d2ac68935cba3d
Publisher
Name not classified · pib.gov.in
Type / language
web-page · language not classified
Published
2025-11-11
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

A worked example of the trigger firing: AQI of 425 recorded at 9 AM, Stage-III restrictions imposed the same day by the CAQM GRAP sub-committee.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
India Code — Commission for Air Quality Management in NCR and Adjoining Areas Act, 2021 indiacode.nic.in · background

Open original source ↗

Stable source ID
src-16741c63db3cec9f
Publisher
Name not classified · indiacode.nic.in
Type / language
web-page · language not classified
Published
Not recorded
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Act 29 of 2021, assent 12 August 2021. The statutory basis for CAQM, which replaced the Supreme Court-mandated EPCA as the body that invokes GRAP.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
Government of NCT of Delhi, Department of Environment — Ambient Air Quality environment.delhi.gov.in · background

Open original source ↗

Stable source ID
src-0c68ecb2bf3d340e
Publisher
Name not classified · environment.delhi.gov.in
Type / language
web-page · language not classified
Published
2026-07-24
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Official statement that DPCC operates 26 real-time monitoring stations connected to the central network; other Delhi stations are run by CPCB, IMD, IITM and MoHUA.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
data.gov.in — SAMEER (National Air Quality Index), CPCB data.gov.in · background

Open original source ↗

Stable source ID
src-984d07f3f118de2f
Publisher
Name not classified · data.gov.in
Type / language
web-page · language not classified
Published
2016-07-27
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

CPCB's public AQI app and dataset: hourly AQI updates plus a citizen complaint function, released under India's National Data Sharing and Accessibility Policy.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
Ravish — Stage-wise evaluation of GRAP under meteorological constraints in Delhi-NCR, Discover Atmosphere (2026) link.springer.com · background

Open original source ↗

Stable source ID
src-55a046bc2ef1a0c0
Publisher
Name not classified · link.springer.com
Type / language
web-page · language not classified
Published
2026-04-15
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Peer-reviewed. Finds Stage I and II show measurable improvement but Stage III and IV little; concludes GRAP gives limited, meteorology-dependent short-term relief limited by reactive activation.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
CEEW — How can GRAP deliver more sustained improvement in air quality? (21 May 2026) ceew.in · 1 linked claim

Open original source ↗

Stable source ID
src-2d015e486f342f87
Publisher
Name not classified · ceew.in
Type / language
web-page · language not classified
Published
2026-05-21
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Independent research institute. Documents the invocation lag (13 of 17 occasions in 2025) and the coverage gap: 40 stations against an estimated 52-60 needed, covering about a third of Delhi's area.

Descriptive only — not page/paragraph exact
Newslaundry — Delhi AQI 'fraud': water sprinklers cleaning the data, not the air (30 Oct 2025) newslaundry.com · background

Open original source ↗

Stable source ID
src-47b937c11a0081ce
Publisher
Name not classified · newslaundry.com
Type / language
web-page · language not classified
Published
2025-10-30
Updated
Not recorded
Source last checked
No source-level check date
Record last verified
2026-07-26
Dossier created
2026-08-20
Retrieved copy
No local capture recorded
Archive
No archived copy linked
Content hash
No captured content hash
Locator
Open the recorded source note

Reporters observed PWD tankers repeatedly watering the ground around monitors at Jahangirpuri and Anand Vihar; earlier reporting found stations sited behind trees and walls, against placement norms.

Descriptive only — not page/paragraph exact
Claims linked
Background source; no baseline claim points here
Known limits of this passport
  • Publisher names and source languages have not yet been classified; domains are recorded without guessing.
  • Existing source notes are descriptive locators, not page- or paragraph-exact citations.
  • A missing archive, publication date or content hash is shown as null rather than inferred.
  • The project-level evidence grade ranks the strongest source in the entry; it is not a truth score for every claim.