The 2015 Inventory of Air Emissions released today shows the Port of Los Angeles has largely continued to preserve clean air gains. The 2015 Inventory of Air Emissions released today shows the Port of Los Angeles has largely continued to preserve clean air gains.
PSI Definition: PSI is a unit of pressure expressed in pounds of force per square inch of area. It stands for Pounds per Square Inch. 1 PSI = 6894 Pascals = 0.070 atmospheres = 51.715 torr. Up Next. Up Next.
PSI is an abbreviation that stands for Pounds per Square Inch.* For tires, it refers to the internal pressure of an inflated tire. * It expresses the unit for a pressure measurement (number of pounds on each square inch of surface area that is subject to the relevant pressure). This is a unit designation used primarily in USA and Canada.