Tropospheric ozone

{
  "id": "MLC-T-MET-009818",
  "term": "Tropospheric ozone",
  "field": "Meteorology and atmospheric science",
  "definition": "Ozone (O3) that is present in the troposphere, the lowest layer of the Earth's atmosphere. Unlike stratospheric ozone, which protects from harmful UV radiation, tropospheric ozone is a harmful air pollutant and a greenhouse gas. It is primarily formed through photochemical reactions involving nitrogen oxides and volatile organic compounds in the presence of sunlight.",
  "url": "https://mlchart.com/terminology/meteorology/tropospheric-ozone/"
}