The air outside buildings and structures. This does not refer to indoor air, air in the workplace, or contaminated air discharged from a source.

The air immediately around us.

Air outside the vehicle passenger compartment.

That portion of the atmosphere, external to buildings, to which the general public has access.

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

As defined in the Ambient Air Quality National Environment Protection Measure: 'ambient air means the external air environment, it does not include the air environment inside buildings or structures.'

surrounding outdoor air

The air surrounding a given object or system.

Outdoor air, any unconfined portion of the atmosphere, open air

surrounding air1

outside air; the air around us.

Air, which surrounds the occupant or process in a space.

The surrounding atmosphere, usually the outside air, as it exists around people, plants, and structures. It is not the air in immediate proximity to emission sources.

The portion of the atmosphere external to buildings; the outside environment. The air that surrounds us.

The general air in the area of interest (e.g., the general room atmosphere),as distinct from a specific stream or volume of air that may have different properties.

Refers to untreated air existing in any location.

The air external to a building or device.

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

Any unconfined portion of the atmosphere; the outside air.

air which, under ideal circumstances, contains no alcohol vapors and is used to purge contaminated air from the chamber (of such devices as the Intoxilyzer) prior to retesting.

the air that surrounds us[] [ Click "BackButton" for previous location

Outdoor air; all air that plants and animals breathe except the air inside buildings.

the surrounding undisturbed outside air

is air to which the sensing element is normally exposed.

1. Air to which the sensing element is normally exposed. 2. 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 vapour per lb of 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.

the condition of the air in the surrounding environment.