{
  "url": "https://openlegislation.uk/eu-decision-2011-850/article-2",
  "json_url": "https://openlegislation.uk/eu-decision-2011-850/article-2.json",
  "legislation": "eudn/2011/850",
  "legislation_title": "Commission Implementing Decision of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (notified under document C(2011) 9068) (2011/850/EU)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2011-850",
  "path": "article/2",
  "kind": "article",
  "number": "2",
  "heading": "Definitions",
  "text": "For the purposes of this Decision, and in addition to the definitions laid down in Article 2 of Directive 2004/107/EC, Article 3 of Directive 2007/2/EC, and Article 2 of and Annex VII to Directive 2008/50/EC, the following definitions shall apply:\n(1)‘station’ means a location where measurements or samples are taken at one or more sampling points at the same site within an area of approximately 100 m2;\n(2)‘network’ means an organisational structure performing assessment of ambient air quality by measuring at one or more stations;\n(3)‘measurement configuration’ means the technical facilities used for the measurement of one pollutant or one of its compounds at a certain station;\n(4)‘measurement data’ means information on the concentration or deposition level of a specific pollutant obtained by measurements;\n(5)‘modelling data’ means information on the concentration or deposition level of a specific pollutant obtained through numerical simulation of physical reality;\n(6)‘objective estimation data’ means information on the concentration or deposition level of a specific pollutant obtained through expert analysis and may include use of statistical tools;\n(7)‘primary data’ means information on the concentration or deposition level of a specific pollutant at the highest time resolution considered in this Decision;\n(8)‘primary up-to-date assessment data’ means primary data collected with the frequency appropriate to each pollutant assessment method and made available to the public without delay;\n(9)...\n(10)‘data repository’ means an information system ... containing air quality information and data made available through national data reporting and exchange nodes under the control of the appropriate authorities;\n(11)‘data type’ means a descriptor by which similar data to be used for different purposes is categorised as set out in Part A of Annex II to this Decision;\n(12)‘environmental objective’ means an ambient air quality objective to be attained within a given period, or where possible over a given period respectively or in the long term as laid down in Directives 2004/107/EC and 2008/50/EC.\n(13)“appropriate authority”\n(a)in relation to England, the Secretary of State;\n(b)in relation to Wales, the Welsh Ministers;\n(c)in relation to Scotland, the Scottish Ministers;\n(d)in relation to Northern Ireland, the Department of Agriculture, Environment and Rural Affairs.\n(14)For the purpose of this Decision a reference to a provision of a Directive is to be read as a reference to that provision in so far as it has been transposed into the law of any part of the United Kingdom.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Art. 2(9) omitted (31.12.2020) by virtue of The Air Quality (Miscellaneous Amendment and Revocation of Retained Direct EU Legislation) (EU Exit) Regulations 2018 (S.I. 2018/1407), regs. 1, 4(3)(a); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Words in Art. 2(10) omitted (31.12.2020) by virtue of The Air Quality (Miscellaneous Amendment and Revocation of Retained Direct EU Legislation) (EU Exit) Regulations 2018 (S.I. 2018/1407), regs. 1, 4(3)(b)(i); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in Art. 2(10) substituted (31.12.2020) by The Air Quality (Miscellaneous Amendment and Revocation of Retained Direct EU Legislation) (EU Exit) Regulations 2018 (S.I. 2018/1407), regs. 1, 4(3)(b)(ii); 2020 c. 1, Sch. 5 para. 1(1)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Art. 2(13)(14) inserted (31.12.2020) by The Air Quality (Miscellaneous Amendment and Revocation of Retained Direct EU Legislation) (EU Exit) Regulations 2018 (S.I. 2018/1407), regs. 1, 4(3)(c); 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2011/850/article/2",
    "retrieved_at": "2026-11-01T15:15:36.066942+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}