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            <gmd:CI_OnlineResource>
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                <gco:CharacterString>OGC:WFS</gco:CharacterString>
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            </gmd:CI_OnlineResource>
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            <gmd:CI_OnlineResource>
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                <gmd:URL>https://dservices3.arcgis.com/o7Q3o5SkiSeZD5LK/arcgis/services/mes_aura_horaire_poll_princ/WFSServer?service=wfs&amp;request=getcapabilities</gmd:URL>
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              <gmd:protocol>
                <gco:CharacterString>OGC:WFS</gco:CharacterString>
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                <gco:CharacterString>mes_aura_horaire_pm10</gco:CharacterString>
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                <gmd:URL>https://dservices3.arcgis.com/o7Q3o5SkiSeZD5LK/arcgis/services/mes_aura_horaire_poll_princ/WFSServer?service=wfs&amp;request=getcapabilities</gmd:URL>
              </gmd:linkage>
              <gmd:protocol>
                <gco:CharacterString>OGC:WFS</gco:CharacterString>
              </gmd:protocol>
              <gmd:name>
                <gco:CharacterString>mes_aura_horaire_poll_princ:mes_aura_horaire_c6h6</gco:CharacterString>
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              </gmd:linkage>
              <gmd:protocol>
                <gco:CharacterString>OGC:WFS</gco:CharacterString>
              </gmd:protocol>
              <gmd:name>
                <gco:CharacterString>mes_aura_horaire_poll_princ:mes_aura_horaire_co</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>mes_aura_horaire_co</gco:CharacterString>
              </gmd:description>
            </gmd:CI_OnlineResource>
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                <gmd:URL>https://dservices3.arcgis.com/o7Q3o5SkiSeZD5LK/arcgis/services/stations_api/WFSServer?service=wfs&amp;request=getcapabilities</gmd:URL>
              </gmd:linkage>
              <gmd:protocol>
                <gco:CharacterString>OGC:WFS</gco:CharacterString>
              </gmd:protocol>
              <gmd:name>
                <gco:CharacterString>stations_api:stations_api</gco:CharacterString>
              </gmd:name>
              <gmd:description>
                <gco:CharacterString>stations_api</gco:CharacterString>
              </gmd:description>
            </gmd:CI_OnlineResource>
          </gmd:onLine>
        </gmd:MD_DigitalTransferOptions>
      </gmd:transferOptions>
    </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo xmlns:geonet="http://www.fao.org/geonetwork">
    <gmd:DQ_DataQuality>
      <gmd:scope>
        <gmd:DQ_Scope>
          <gmd:level>
            <gmd:MD_ScopeCode codeListValue="dataset" codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_ScopeCode" />
          </gmd:level>
        </gmd:DQ_Scope>
      </gmd:scope>
      <gmd:report>
        <gmd:DQ_DomainConsistency>
          <gmd:result xmlns:gn="http://www.fao.org/geonetwork">
            <gmd:DQ_ConformanceResult>
              <gmd:specification>
                <gmd:CI_Citation>
                  <gmd:title>
                    <gco:CharacterString>Guide INSPIRE sur les installations de suivi environnemental</gco:CharacterString>
                  </gmd:title>
                  <gmd:date>
                    <gmd:CI_Date>
                      <gmd:date>
                        <gco:DateTime>2013-12-10T00:00:00</gco:DateTime>
                      </gmd:date>
                      <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode" codeListValue="publication" />
                      </gmd:dateType>
                    </gmd:CI_Date>
                  </gmd:date>
                </gmd:CI_Citation>
              </gmd:specification>
              <gmd:explanation>
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              <gmd:pass>
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        </gmd:DQ_DomainConsistency>
      </gmd:report>
      <gmd:lineage>
        <gmd:LI_Lineage>
          <gmd:statement>
            <gco:CharacterString>Mesures de terrain automatiques. Les concentrations moyennes horaires sont calculées conformément au guide méthodologique pour le calcul des statistiques relatives à la qualité de l'air à partir des données mesurées selon les méthodes de référence européennes ou équivalentes (Directives 2008/50/UE et 2004/107/UE).
Les données sont issues d'un processus qualité qui est conforme aux préconisations et recommandations du référentiel métier du Laboratoire Central de Surveillance de la Qualité de l’Air (LCSQA) tant au niveau de l'instrumentation que des pratiques de maintenance et de contrôle.
Les données horaires diffusées correspondent aux mesures du réseau minimum européen estimé en fonction des niveaux historiques et des populations des zones administratives de surveillance.

À chaque donnée sont attachés deux codes relatifs à la validation : 
- un champ "validité"  indiquant si la donnée est valide (1 si valide, 0 si invalide mais dans ce cas, pas de données diffusée).
- un champ "validation" indiquant si la donnée est brute (0) ou a été validée par un opérateur (1).

Lors du calcul de statistiques à partir des données diffusées, s’il lui est associé un objectif environnemental (valeur limite / cible, seuil d’alerte…), une statistique est communiquée avec le même nombre de décimales que ce dernier puis lui est comparée , en l’absence de tel objectif, elle est arrondie selon les règles commerciales, à savoir : 
-	Si la valeur est supérieure à 10, nombre entier
-	Si la valeur est comprise entre 1 et 10, une décimale
-	Si la valeur est comprise entre 0.1 et 1, 2 décimales
-	Si la valeur est comprise entre 0.01 et 0.1, 3 décimales …

Exemple de comparaison à un seuil : 
Moyenne horaire NO2 : 
Seuil d’information horaire : 200µg/m3
Valeur horaire  1 avant arrondi : 200.6 µg/m3
Valeur horaire  1 après arrondi : 201 µg/m3
Dépassement de seuil : OUI

Valeur horaire  2 avant arrondi : 200.4 µg/m3
Valeur horaire  2 après arrondi : 200 µg/m3
Dépassement de seuil : NON</gco:CharacterString>
          </gmd:statement>
        </gmd:LI_Lineage>
      </gmd:lineage>
    </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmd:MD_Metadata>

