{
  "all_known_sources_considered": true,
  "catalogue_source_count": 54,
  "context_streams": {
    "ea_target_matches": 0,
    "firms_records": 313
  },
  "credential_summary": {
    "configured_but_unverified_count": 10,
    "missing_key_count": 0
  },
  "cross_reference": {
    "candidate_input_join_count": 8,
    "executed_join_count": 0,
    "join_count": 11,
    "missing_dimensions": [],
    "ready_join_count": 0,
    "validated_join_count": 0
  },
  "current_particle": {
    "coordinate_corrections": 237,
    "fresh_physical_site_count": 128,
    "fresh_timeseries_count": 228,
    "missing_coordinates": 0,
    "physical_site_count": 133,
    "pm10_timeseries": 110,
    "pm2_5_timeseries": 127,
    "request_count": 6,
    "screening_candidate_count": 0,
    "status": "snapshot_complete",
    "timeseries_count": 237,
    "unresolved_physical_site_timeseries_count": 0
  },
  "episodes": {
    "bundle_count": 0,
    "events": []
  },
  "evidence": {
    "canonical_objects": 0,
    "independent_candidate_families": 0,
    "public_safe_candidates": 0,
    "substantive_candidates": 0
  },
  "generated_at_utc": "2026-09-16T08:33:05Z",
  "live_release_ready": false,
  "live_sos_current_coverage": {
    "all_england_regions_evidenced": true,
    "all_england_regions_fresh": true,
    "assessment_scope": "live_current_only",
    "eligible_governed_pm_site_count": 129,
    "interpretation": "This percentage measures how much of the governed English AURN PM2.5/PM10 registry was represented by the live SOS timeseries route in this release. It is not the completeness percentage for the separate England 30-day AURN network review, which dynamically discovers AURN sites and uses official annual hourly UK-AIR files. A live SOS coverage gap blocks an England-wide current assessment from that route; it does not mean the missing stations are inactive or absent from Defra's other official publication routes.",
    "live_england_wide_current_assessment_allowed": false,
    "matched_eligible_sos_site_count": 107,
    "minimum_sos_site_coverage_percent": 85.0,
    "sos_site_coverage_percent": 82.9,
    "source_route": "Defra UK-AIR Sensor Observation Service (SOS)",
    "source_route_gate_passed": false,
    "status": "coverage_gap"
  },
  "mandatory_blocker_count": 1,
  "observed_source_count": 54,
  "operating_mode": "api_first_environmental_observatory",
  "operating_source_count": 14,
  "primary_ground": {
    "fallback_reason": null,
    "fallback_used": false,
    "preferred_uk_air_collection_succeeded": true,
    "preferred_uk_air_completed": true,
    "record_count": 16588,
    "source_id": "uk_air_sos_current_particle",
    "source_name": "Defra UK-AIR Sensor Observation Service",
    "stage": "quality_validated",
    "status": "snapshot_complete"
  },
  "release_gates": {
    "authoritative_public_summary": "outputs/api/public_release_summary.json",
    "claim_boundary": "The public website may report verified acquisition, quality screening and explicitly bounded record-linkage results. It may not convert them into source attribution or causal findings.",
    "contract_sha256": "1ddbcda945b2494b7cdd254eefd1a074818f19196a7381e399822d75733963c1",
    "convergence_message": "No episode was available for corroboration. Cross-source convergence was not applicable to an episode in this run.",
    "current_evidence_geography": "England",
    "data_availability_publication_allowed": true,
    "england_wide_current_assessment_allowed": false,
    "environmental_assessment_message": "No England-wide current environmental assessment is published because the governed monitoring coverage and freshness gate was not met.",
    "environmental_assessment_status": "not_assessable_incomplete_england_coverage",
    "generated_at_utc": "2026-09-16T08:33:52+00:00",
    "harvest_integrity": {
      "complete_mandatory_harvest": true,
      "mandatory_context_harvest_status": "passed",
      "mandatory_failures": [],
      "primary_measurement_acquisition_status": "passed",
      "status": "passed"
    },
    "live_sos_current_coverage": {
      "all_england_regions_evidenced": true,
      "all_england_regions_fresh": true,
      "assessment_scope": "live_current_only",
      "eligible_governed_pm_site_count": 129,
      "interpretation": "This percentage measures how much of the governed English AURN PM2.5/PM10 registry was represented by the live SOS timeseries route in this release. It is not the completeness percentage for the separate England 30-day AURN network review, which dynamically discovers AURN sites and uses official annual hourly UK-AIR files. A live SOS coverage gap blocks an England-wide current assessment from that route; it does not mean the missing stations are inactive or absent from Defra's other official publication routes.",
      "live_england_wide_current_assessment_allowed": false,
      "matched_eligible_sos_site_count": 107,
      "minimum_sos_site_coverage_percent": 85.0,
      "sos_site_coverage_percent": 82.9,
      "source_route": "Defra UK-AIR Sensor Observation Service (SOS)",
      "source_route_gate_passed": false,
      "status": "coverage_gap"
    },
    "programme_scope": "England",
    "public_release_summary_sha256": "70db9cd5942491fe1b31737aa7d5b5b4447aeeafbbc7148e2286e7bc91eae09f",
    "public_wording": "Acquisition status distinguishes primary monitoring evidence from mandatory contextual sources. A degraded context harvest may support a clearly labelled data-availability release, but not an environmental episode, source, compliance, exposure or health finding. No England-wide current environmental assessment is published because the governed monitoring coverage and freshness gate was not met. No episode was available for corroboration. Cross-source convergence was not applicable to an episode in this run.",
    "run_cadence": "daily",
    "scientific_claim_publication_allowed": false,
    "scientific_episode_release": {
      "assessment_status": "not_assessable_incomplete_england_coverage",
      "blockers": [
        "No controlled screening event is available for episode-level cross-reference.",
        "The station-level PM2.5 screen does not satisfy the governed England-wide coverage/freshness gate.",
        "A zero-candidate screen does not establish clean, safe or pollution-free air."
      ],
      "missing_dimensions": [],
      "passed": false,
      "screening_evaluable": false,
      "screening_event_count": 0,
      "status": "not_applicable_no_screening_events"
    },
    "social_publication_allowed": true,
    "source_attribution_allowed": false,
    "status": "aq26_public_release_status",
    "website_publication_allowed": true
  },
  "scientific_boundary": "This status describes acquisition, validation and evidence-integration readiness. It is not source attribution, a permit-compliance finding, an exposure estimate, a health-risk assessment or a legal determination.",
  "stage_counts": {
    "archive_disabled": 1,
    "credential_present": 7,
    "metadata_only": 5,
    "not_applicable_no_discovered_event": 4,
    "not_configured": 28,
    "quality_validated": 2,
    "records_downloaded": 7
  },
  "status": "aq26_public_observatory_status"
}