94Therefore, the fact that a Member State exceeds the limit values for PM10 concentrations in ambient air is not in itself sufficient to find that that Member State has failed to fulfil its obligations under the second subparagraph of Article 23(1) of Directive 2008/50 (judgment of 5 April 2017, Commission v Bulgaria, C‑488/15, EU:C:2017:267, paragraph 107).
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