{
  "url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-3/part-2",
  "json_url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007/schedule-3/part-2.json",
  "legislation": "wsi/2007/717",
  "legislation_title": "The Air Quality Standards (Wales) Regulations 2007",
  "legislation_url": "https://openlegislation.uk/air-quality-standards-wales-regulations-2007",
  "path": "schedule/3/part/2",
  "kind": "part",
  "number": "2",
  "heading": "Alert and information thresholds for ozone",
  "text": "Parameter\nThreshold\n(1) For the purposes of regulation 11 (action plans), exceedance of the 1-hour average in respect of the alert threshold is to be measured or predicted for three consecutive hours.\nAlert threshold\n1-hour average\n240 μg/m3\nInformation threshold\n1-hour average\n180 μg/m3",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(1) For the purposes of regulation 11 (action plans), exceedance of the 1-hour average in respect of the alert threshold is to be measured or predicted for three consecutive hours."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2007/717/schedule/3/part/2",
    "retrieved_at": "2026-10-29T00:01:33.213395+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."
}