What Does PSI Stand For?
PSI stands for Pollution Standard Index
The Pollution Standard Index (PSI) is a numerical scale used to communicate air quality levels and the potential health effects associated with pollution. It provides an objective measurement of the concentration of various pollutants, including particulate matter, carbon monoxide, sulfur dioxide, nitrogen dioxide, and ozone. The PSI helps individuals and policymakers understand air quality conditions, facilitating informed decisions regarding outdoor activities and environmental regulations.
Added on 14th April 2008 | Last edited on 16th June 2025 | Edit Acronym