Figure 9.
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Pourcentage des moyennes de l’ozone sur 8 h dépassant la norme OMS aux quatre stations d’Annaba en juillet, aout et septembre (d’après les données SAMASAFIA, moyenne 2012-2014). Percentage of 8-hour ozone averages exceeding the WHO standard at four stations in Annaba in July, August and September (based on SAMASAFIA data, average 2012-2014).
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