{
  "url": "https://openlegislation.uk/draft-environmental-targets-fine-particulate-matter-england-regulations-2022/regulation-15",
  "json_url": "https://openlegislation.uk/draft-environmental-targets-fine-particulate-matter-england-regulations-2022/regulation-15.json",
  "legislation": "ukdsi/2022/9780348242959",
  "legislation_title": "The Environmental Targets (Fine Particulate Matter) (England) Regulations 2022",
  "legislation_url": "https://openlegislation.uk/draft-environmental-targets-fine-particulate-matter-england-regulations-2022",
  "path": "regulation/15",
  "kind": "regulation",
  "number": "15",
  "heading": "Calculation of annual mean PM2.5 level at monitoring stations",
  "text": "(1) The Secretary of State must ensure that, as soon as reasonably practicable after the end of each year, the annual mean PM2.5 level is calculated for each monitoring station.\n(2) If PM2.5 levels are measured at periodic intervals, the annual mean PM2.5 level at a monitoring station is to be calculated as the mean of all the ratified periodic measurements taken in a year.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukdsi/2022/9780348242959/regulation/15",
    "retrieved_at": "2026-10-30T14:44:03.774838+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."
}