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      "bibtex": "@misc{immigrationdb_immigrationdb_cities-with-cleanest-air-in-romania_a3ccc0b97f75,\n  author = {ImmigrationDB},\n  title = {Cities with cleanest air in Romania},\n  publisher = {ImmigrationDB},\n  year = {2026},\n  date = {2026-10-16},\n  version = {9832bcc655e8cc9f67c9ead502c1dd08},\n  url = {https://immigrationdb.com/reports/romania-cities-with-cleanest-air/},\n  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},\n}",
      "markdown": "[Cities with cleanest air in Romania](https://immigrationdb.com/reports/romania-cities-with-cleanest-air/) — ImmigrationDB; ImmigrationDB; version 9832bcc655e8cc9f67c9ead502c1dd08; retrieved 2026-10-16; built 2026-10-16."
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        "value_display": "16.5 µg/m³",
        "unit": "µg/m³",
        "geographic_grain": "city",
        "source_locator": null,
        "observation_period": "2024-12-31",
        "derivation": "identity",
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        "source_quality": "verified",
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          {
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            "locator": "air_quality_pm25_annual_ug_m3; geographic grain: city",
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        ],
        "reader_label": "PM2.5 — annual mean",
        "label_owner_metric_id": null,
        "reader_label_role": "metric"
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    ],
    "claims": [],
    "source_ledger": [
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        "title": "European Environment Agency (EEA)",
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        "url": "https://air.discomap.eea.europa.eu/arcgis/rest/services/AirQuality/AQ_Statistics_WM/MapServer/0/query?where=AirPollutant%3D%27PM2.5%27+AND+YearOfStatistics%3D2024&outFields=AirPollutant%2CAirPollutionLevel%2CCountry_ISO%2CStationName%2CAreaOfMeasurementStation%2CYearOfStatistics%2CUnitOfAirpollutionLevel%2CTypeOfMeasurementStation%2CDataCoverage%2CReportingMetric%2CLatitudeOfMeasurementStation%2CLongitudeOfMeasurementStation&returnGeometry=false&resultRecordCount=1000&resultOffset=0&f=json",
        "title": "EEA Air Quality Annual Statistics — validated PM2.5 station data",
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        "title": "Official source",
        "publisher": "Unknown publisher",
        "source_quality": "verified",
        "last_checked": "2026-08-26"
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    ],
    "meaning_audit": [
      "Compare the displayed value, unit, source date and geographic grain together.",
      "A city label does not change a regional observation into a city measurement."
    ],
    "blockers": [],
    "counts": {
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      "rows_accepted": 30,
      "rows_blocked": 0,
      "accepted_items": 30,
      "blocked_items": 0
    },
    "category": "climate_environment",
    "verified_at": "2026-08-26",
    "row_count": 30,
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  }
}
