SIMAJ Air Monitoring and the Atmospheric Contingency Plan
This overview was generated with AI from the public sources listed below and checked against them before publication. It has not had a complete human fact-check — treat it as a starting point and follow the sources.
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Jalisco's environment ministry runs a network of continuous air-quality stations across the Guadalajara metropolitan area and publishes an hourly index from it. Fixed IMECA thresholds define four escalating stages: a pre-contingency when one station reads above 120 for two consecutive hours, and contingency phases I, II and III above 150, 200 and 250, each standing down at its own lower value. The ministry republished the plan in the state gazette on 14 September 2024, replacing one made known in 2014.
what does this mean?
The strongest source is the operator's or the city's own reporting — an official report, dataset or press release. It grades who did the looking — not how well the project went. All four grades →📊 Impact
The renewed plan names 23 participants across the three levels of government who must act in its priority area, the central municipalities of the metropolitan area where the fixed monitoring stations stand. The ministry's own infrastructure page describes the network as ten stations measuring continuously plus a mobile unit; three more were added in September 2024, at JAPI, Country and Santa Anita, in a 39-million-peso investment that also installed 27 mobile sensors.
🎓 Lesson
The threshold is precise, published and legally adopted, and what it triggers is a declaration. The ministry declares the stage and notifies the participants inside the affected station's zone of influence, and each participant is then responsible for applying the measures set out in its own internal contingency plan, so the binding force sits one document further down than the reading. The instrument is not always there either: the plan was renewed in the same month that the Atemajac and Oblatos stations returned to service after months of faults.
Sources
Show your work What this page rests on and what it can’t tell you · all 9 claims with their sources · the forensic record
Evidence Passport · public beta 9 addressable claims, 4 source dossiers, one permanent baseline. The passport is unreviewed — an AI-assisted structural migration, not a human or expert endorsement. Every revision keeps a permanent copy under revision history.
Inspect the claims, one by one — verbatim text, sources and caveats for all 9
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-7b4d3ba06c992ba2
descriptive
Jalisco's environment ministry runs a network of continuous air-quality stations across the Guadalajara metropolitan area and publishes an hourly index from it
Sources carrying this claim
clm-d5577451efcfd1e0
quantitative
a pre-contingency when one station reads above 120 for two consecutive hours
Sources carrying this claim
clm-d9264585756504b4
quantitative
contingency phases I, II and III above 150, 200 and 250, each standing down at its own lower value
Sources carrying this claim
clm-f03aae891ec9acc1
quantitative
The ministry republished the plan in the state gazette on 14 September 2024, replacing one made known in 2014
Sources carrying this claim
clm-4580be308f499e14
quantitative
The renewed plan names 23 participants across the three levels of government who must act in its priority area, the central municipalities of the metropolitan area where the fixed monitoring stations stand
Sources carrying this claim
clm-cfcb4c6c4baa3242
descriptive
The ministry's own infrastructure page describes the network as ten stations measuring continuously plus a mobile unit
Sources carrying this claim
clm-dabae54e0f95ea92
quantitative
three more were added in September 2024, at JAPI, Country and Santa Anita, in a 39-million-peso investment that also installed 27 mobile sensors
Sources carrying this claim
clm-966bc66451123e28
descriptive
The ministry declares the stage and notifies the participants inside the affected station's zone of influence, and each participant is then responsible for applying the measures set out in its own internal contingency plan
Sources carrying this claim
clm-221c517c815652cd
descriptive
the plan was renewed in the same month that the Atemajac and Oblatos stations returned to service after months of faults
Sources carrying this claim
Forensic record — source dossiers, gaps, hashes and the exact revision this page renders
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.
sha256:4cfa938c29e3b1628e562f86eac498e1e13d63d9873eef381581fc81f011eec8
- 9
- of 9 claims mapped
- 4
- source dossiers
- 2
- publication dates recorded
- 0
- archives linked
- 0
- exact locators
- 0
- content captures hashed
Governance facts carried by the record
- Operator
- Secretaria de Medio Ambiente y Desarrollo Territorial de Jalisco (SEMADET)
- Actor types
- regional-government
- Funding model
- public
- Funding description
- Not recorded
- Cost
- Not recorded
- Ownership
- Not recorded
- Decision rights
- Not recorded
- Exit conditions
- Not recorded
4 source dossiers
SIGA Jalisco, the state's description of the atmospheric contingency plan (operator)
- Stable source ID
src-018212a1bbb0cdaf- Publisher
- Name not classified · siga.jalisco.gob.mx
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-08-24
- Dossier created
- 2026-08-24
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
The state's own description of the Plan de Respuesta de Emergencias y Contingencias Atmosfericas. Carries every threshold verbatim, the two-consecutive-hour rule, the separate deactivation values, the table of stations and their zones of influence, and the division of responsibility: SEMADET declares and notifies, and each participant applies the actions described in its own internal plan. A live operator page that states no publication date.
SIGA Jalisco, the SIMAJ monitoring network infrastructure page (operator)
- Stable source ID
src-6446dff0beb048db- Publisher
- Name not classified · siga.jalisco.gob.mx
- Type / language
- web-page · language not classified
- Published
- Not recorded
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-08-24
- Dossier created
- 2026-08-24
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
The ministry's monitoring infrastructure page. Verbatim: 'El SIMAJ, esta constituido por 10 estaciones que miden de manera continua la concentracion de contaminantes en el area urbana', plus the mobile monitoring unit. A live operator page that states no publication date.
- Claims linked
NTR Guadalajara, on the renewed contingency plan (media)
- Stable source ID
src-35e2371e87496f33- Publisher
- Name not classified · ntrguadalajara.com
- Type / language
- web-page · language not classified
- Published
- 2024-09-16
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-08-24
- Dossier created
- 2026-08-24
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Independent press account of the renewal. Source for the 14 September 2024 gazette publication, for the plan it replaced having been made known in 2014, for the 23 participants across three levels of government and the priority area, and for the Atemajac and Oblatos stations returning to service after months of faults.
El Informador, on three new monitoring stations (media)
- Stable source ID
src-53458a8abf7ad7b9- Publisher
- Name not classified · informador.mx
- Type / language
- web-page · language not classified
- Published
- 2024-09-17
- Updated
- Not recorded
- Source last checked
- No source-level check date
- Record last verified
- 2026-08-24
- Dossier created
- 2026-08-24
- Retrieved copy
- No local capture recorded
- Archive
- No archived copy linked
- Content hash
- No captured content hash
- Locator
- Descriptive only — not page/paragraph exact
Open the recorded source note
Source for the three new stations at JAPI, Country and Santa Anita and for the investment. Verbatim: 'se hizo una inversion de 39 millones de pesos y tambien se complemento con la instalacion de 27 sensores moviles'.
- Claims linked
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.
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📎 Cite this project
1001 Smart Cities (2026). “SIMAJ Air Monitoring and the Atmospheric Contingency Plan” — Guadalajara, Mexico. The Smart City Atlas. https://1001smartcities.org/projects/guadalajara-air-quality-preca/ (last verified 2026-08-24). Data: CC BY 4.0.
The underlying data is free to reuse with attribution — see the open data page.