Troposphere.
troposphere
The layer of the atmosphere with the least amount of air pressure is the exosphere, which is the outermost layer of Earth's atmosphere. It is composed of very thin air molecules spread far apart, resulting in extremely low air pressure.
Air pressure is the amount of force exerted on an object by the atmosphere. It is greatest at sea level.It is greatest in the exosphere, due to the fact that air pressure is greater as the altitude rises; the exosphere is the highest level within the atmosphere.Air pressure is greatest in the areas that are small and enclosed. This is because there is no way to escape.
Air pressure is weakest at the top of the Earth's atmosphere, known as the exosphere. This is where molecules are very spread out, resulting in low pressure. Additionally, air pressure also decreases with increasing altitude, so pressure is weaker at higher elevations on Earth's surface.
The layer in the atmosphere that has the most air pressure is the troposphere, which is the lowest layer where most weather phenomena occur. As you go higher in the atmosphere, the air pressure decreases.
Air pressure is typically the least at high altitudes, such as at the peak of a mountain or in the upper atmosphere. This is because there is less air above exerting pressure downwards.
Pressure affects the density of air by increase of pressure increases the density
Cooler air has greater air pressure since the air molecules are denser, meaning they are close together. Warmer air has lower air pressure for the opposite reason.
exosphere Which is the uppermost layer of the atmosphere.
northern lights here between exosphere and mesosphere gravity and air pressure decrease
The greater the altitude, the lower the air pressure.
The mass of air in the exosphere is very low. The exosphere is the outermost layer of Earth's atmosphere, and it contains very few air molecules. Its density is so low that the mass of air in the exosphere is considered negligible compared to the overall mass of the Earth.