Stratospheric Ozone: A layer of ozone in the Earth's stratosphere that protects us from harmful ultraviolet (UV) radiation.
Air Quality Index (AQI): A measurement used to report daily air quality levels and provide information about potential health risks associated with pollutants such as tropospheric ozone.
Ground-Level Ozone:Another term for tropospheric ozone, emphasizing its presence closer to the Earth's surface rather than in the stratosphere.