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Ces API permettent de retrouver: \\- les indices ICAIR calculés aux stations de mesures AtmoSud \\- la liste et illustrations des recommandations diffusées avcec les données ICAIR Pour accéder aux cartographies ICAIRh, ICAIR365, ou en extraire des valeurs à la maille, se reporter aux services cartographiques 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It is available at 25-metre spatial resolution via HD modelling with measurement assimilation, or computed from AtmoSud monitoring stations. An hourly version (ICAIRh), with 24-hour forecasts, uses European index thresholds, while an annual version (ICAIR365) applies WHO guideline values and highlights areas of multiple pollutant exposure. The API returns ICAIR index values calculated at AtmoSud measurement stations along with associated recommendations and illustrations. 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