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Before the release of Copernicus Atmosphere Monitoring Service (CAMS) Atmosphere Data Store (ADS) in March 2020, CAMS datasets were made available through various means depending on data host (e.g. Global CAMS analysis and forecast data hosted at the ECMWF data server and made available though the ECMWF Web API, the programmatic way of retrieving data; European air quality forecast or analysis data through www.regional.atmosphere.copernicus.eu and eu and download.regional.atmosphere.copernicus.eu; etc...)
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