{
  "url": "https://openlegislation.uk/air-quality-scotland-regulations-2000/schedule",
  "json_url": "https://openlegislation.uk/air-quality-scotland-regulations-2000/schedule.json",
  "legislation": "ssi/2000/97",
  "legislation_title": "The Air Quality (Scotland) Regulations 2000",
  "legislation_url": "https://openlegislation.uk/air-quality-scotland-regulations-2000",
  "path": "schedule",
  "kind": "schedule",
  "number": null,
  "heading": "AIR QUALITY OBJECTIVES TABLE",
  "text": "Column 1\nColumn 2\nColumn 3\nSubstance\nAir Quality Objectives\nPrescribed Date\n1\nBenzene\n16.25 micrograms per cubic metre or less, when expressed as running annual mean\n31st December 2003\n1A\nBenzene\n3.25 micrograms per cubic metre or less, when expressed as a running annual mean\n31st December 2010\n2\n1,3-Butadiene\n2.25 micrograms per cubic metre or less, when expressed as a running annual mean\n31st December 2003\n3\nCarbon monoxide\n10 milligrams per cubic metre or less, when expressed as a running 8 hour mean\n31st December 2003\n4\nLead\n0.5 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2004\n5\nLead\n0.25 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2008\n6\nNitrogen dioxide\n200 micrograms per cubic metre, when expressed as an hourly mean, not to be exceeded more than 18 times a year\n31st December 2005\n7\nNitrogen dioxide\n40 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2005\n7A\nPM2.5\n10 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2020\n8\nPM10\n50 micrograms per cubic metre or less, when expressed as a 24 hour mean, not to be exceeded more than 35 times a year\n31st December 2004\n8A\nPM10\n50 micrograms per cubic metre or less when expressed as a 24 hour mean, not to be exceeded more than 7 times a year\n31st December 2010\n9\nPM10\n40 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2004\n9A\nPM10\n18 micrograms per cubic metre or less, when expressed as an annual mean\n31st December 2010\n10\nSulphur dioxide\n350 micrograms per cubic metre or less, when expressed as an hourly mean, not to be exceeded more than 24 times a year\n31st December 2004\n11\nSulphur dioxide\n125 micrograms per cubic metre or less, when expressed as a 24 hour mean, not to be exceeded more than 3 times a year\n31st December 2004\n12\nSulphur dioxide\n266 micrograms per cubic metre or less, when expressed as a 15 minute mean, not to be exceeded more than 35 times a year.\n31st December 2005",
  "extent": "S",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in sch. Table inserted (12.6.2002) by The Air Quality (Scotland) Amendment Regulations 2002 (S.S.I. 2002/297), regs. 1(1), 2(4)(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Word in sch. Table substituted (12.6.2002) by The Air Quality (Scotland) Amendment Regulations 2002 (S.S.I. 2002/297), regs. 1(1), 2(4)(b)"
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Words in sch. Table inserted (1.4.2016) by The Air Quality (Scotland) Amendment Regulations 2016 (S.S.I. 2016/162), regs. 1, 2(4)"
    },
    {
      "type": "F",
      "label": "F4",
      "text": "Words in sch. Table inserted (12.6.2002) by The Air Quality (Scotland) Amendment Regulations 2002 (S.S.I. 2002/297), regs. 1(1), 2(4)(c)"
    },
    {
      "type": "F",
      "label": "F5",
      "text": "Words in sch. Table inserted (12.6.2002) by The Air Quality (Scotland) Amendment Regulations 2002 (S.S.I. 2002/297), regs. 1(1), 2(4)(d)"
    },
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. in force at 7.4.2000, see reg. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2000/97/schedule",
    "retrieved_at": "2026-10-28T22:51:10.535382+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."
}