Atmospheric pressure, also known as air pressure or barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.

Nov 13, 2025 · Atmospheric pressure is the force per unit area exerted by a body of air above a specified area (called an atmospheric column). It is expressed in several different systems of …

Jul 15, 2024 · We’ve heard meteorologists give the daily value of the barometric pressure of the atmosphere (29.8 inches of mercury, for example). And most of us have blown up a balloon or …

Jun 19, 2025 · Air pressure, also known as atmospheric pressure or barometric pressure, is a fundamental concept in meteorology, physics, and even biology. It plays a critical role in …

Dec 18, 2023 · This is what you will usually hear from the NOAA Weather Radio or from your favorite weather or news source. At sea level, standard air pressure is 29.92 inches of …

Oct 19, 2023 · The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by …

The meaning of AIR PRESSURE is pressure exerted by air. How to use air pressure in a sentence.

Air pressure is the force exerted onto a surface by the weight of the air above that surface in the atmosphere. This force is a key characteristic of the atmosphere and varies with altitude, …

Aug 26, 2025 · What Is Air Pressure? Air pressure, also called atmospheric or barometric pressure, is the force of the air in the atmosphere pushing on everything it touches, so …

Air pressure is the weight of air molecules pressing down on the Earth. The pressure of the air molecules changes as you move upward from sea level into the atmosphere.