Pollutant standards index

{
  "id": "MLC-T-MET-008051",
  "term": "Pollutant standards index",
  "field": "Meteorology and atmospheric science",
  "definition": "A numerical scale used to report daily air quality, indicating how clean or polluted the air is and what associated health effects might be a concern. It is calculated for five major air pollutants: ground-level ozone, particulate matter, carbon monoxide, sulfur dioxide, and nitrogen dioxide. The index is typically reported on a scale from 0 to 500, with higher values indicating greater pollution and health risk.",
  "abbreviation": "PSI",
  "see_also": [
    "air pollution episode"
  ],
  "url": "https://mlchart.com/terminology/meteorology/pollutant-standards-index/"
}