Air of the surrounding environment. 

The air surrounding a cloud, or the air surrounding rising or sinking air parcels.

the air that surrounds us.

surrounding outdoor air.

the air that surrounds the equipment. The standard ambient air for performance calculations is air at 80°F, 60% relative humidity, and a barometric pressure of 29.921 in. Hg, giving a specific humidity of 0.013 lb of water vapor per lb of dry air.

The air surrounding an object.

The portion of the atmosphere external to buildings and which is breathed by the general public.

Refers to the surrounding air. Generally, ambient air refers to air outside and surrounding an air pollution source location. Often used interchangeably with "outdoor air."

Any unconfined portion of the atmosphere: open air, surrounding air.

The air occurring at a particular time and place outside of structures. Often used interchangeably with “outdoor air”.

Any unconfined portion of the atmosphere: open air, surrounding air.

Any unconfined portion of the atmosphere: open air, surrounding air.

Outside air in the environment.

Open air that is not enclosed within a building, chimney or other structure. See also ambient air quality criteria.

is the air occurring at a particular time and place outside of structures. Often used interchangeably with outdoor air.

The surrounding air.

Any unconfined portion of the atmosphere; the outside air.

The air occurring at a particular time and place outside of structures. Often used interchangeably with "outdoor air." (See also air

The air occurring at a particular time and place outside of structures. Often used interchangeably with "outdoor air".

Air in the general surroundings of the space in question, whether an external or internal space. Generally this refers to areas outside of work locations for the building occupants.

Ambient Air refers to untreated air existing in any location.

Air that is external to buildings and accessible to the general public.

Outdoor air.

the surrounding undisturbed outside air

Generally speaking, the air surrounding an object. In a domestic or commercial refrigerating system having an air-cooled condenser, the temperature of the air entering the condenser.

The surrounding air of the environment, a.k.a, the air one would normally breathe.

The air outside of or surrounding an object; generally referred to as the air within a structure or area.

The air outside buildings and structures

outside air; any portion of the atmosphere not confined by walls and a roof

Refers to the surrounding air. Generally, ambient air refers to air outside and surrounding an air pollution source location. Often used interchangeably with "outdoor air."

The air at a particular time and place outside of structures. Often used interchangeably with outdoor air.