"Ambient air" refers to the air present in a particular environment or surroundings, which includes the natural air quality and conditions without any added or artificial changes. Full definition
Or a cheap digital thermometer for ambient air temperature would change quickly as the air around changes. (realclimate.org)
Though there are changes in ambient air pressure, they are usually not that large as it could play a role here. (mechanics.stackexchange.com)
A high - performance computer programmer ensures that the engine is properly tuned for optimum horsepower and a free - flowing cold air intake system affords the engine a steady supply of ambient air. (bestride.com)