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    "title": "Germany Air Quality (UBA) – PM10, PM2.5, NO2, O3, SO2, CO",
    "description": "Hourly and daily air quality and air pollution data from all German monitoring stations (Umweltbundesamt open data – Luftqualität, Feinstaub): one record per station, pollutant and timestamp, with station metadata and air quality index. Delta mode for monitoring.",
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