{
  "url": "https://openlegislation.uk/air-quality-ozone-wales-regulations-2003/schedule-8/part-I",
  "json_url": "https://openlegislation.uk/air-quality-ozone-wales-regulations-2003/schedule-8/part-I.json",
  "legislation": "wsi/2003/1848",
  "legislation_title": "The Air Quality (Ozone) (Wales) Regulations 2003",
  "legislation_url": "https://openlegislation.uk/air-quality-ozone-wales-regulations-2003",
  "path": "schedule/8/part/I",
  "kind": "part",
  "number": "I",
  "heading": "Information on ozone levels",
  "text": "The following information on ozone concentrations must be obtained and collated:\nType of station\nLevel\nAveraging /accumulation time\nProvisional date for each month from April to September\nReport for each year\n(a)in this Schedule, “AOT40” has the same meaning as in paragraph (d) of Part I to Schedule 1.\n(b)maximum daily 8-hour mean.\nInformation threshold\nAny\n180μg/m3\n1 hour\n— for each day with any exceedance: date, total hours of exceedance, maximum 1 hour ozone and related NO2 values when required.\n— monthly 1 hour maximum ozone.\n-for each day with any exceedance: date, total hours of exceedance, maximum 1 hour ozone and related NO2 values when required.\nAlert threshold\nAny\n240μg/m3\n1 hour\n— for each day with any exceedance: date, total hours of exceedance, maximum 1 hour ozone and related NO2 values when required.\n— for each day with any exceedance: date, total hours of exceedance, maximum 1 hour ozone and related NO2 values when required.\nHealth protection\nAny\n120μg/m3\n8 hours\n— for each day with any exceedance: date, 8 hours maximum\n— for each day with any exceedance: date, 8 hours maximum\nVegetation protection\nSuburban, rural, rural background\nAOT40 = 6,000 μg/m3·h\n1 hour, accumulated from May to June\nValue\nForest protection Materials\nSuburban, rural, rural background Any\nAOT40 =20,000 μg/m3·h 40μg/m3\n1 hour, accumulated from April to September 1 year\nValue Value",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(b)maximum daily 8-hour mean."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "(a)in this Schedule, “AOT40” has the same meaning as in paragraph (d) of Part I to Schedule 1."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2003/1848/schedule/8/part/I",
    "retrieved_at": "2026-10-29T00:10:44.777755+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."
}