The Air Quality Index (AQI) also known as the Air Pollution
Index (API) or Pollutant Standard Index (PSI)), is an indicator of
air quality, based on pollutants that have adverse effects on human
health and the environment.
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The Air Quality Index (AQI) also known as the Air Pollution
Index (API) or Pollutant Standard Index (PSI)), is an indicator of
air quality, based on pollutants that have adverse effects on human
health and the environment.