The phrase "air is available" is correct and usable in written English.
It can be used in contexts where you are indicating that air can be accessed or is present in a particular situation or location.
Example: "In the event of an emergency, it is crucial to ensure that air is available for all passengers."
Alternatives: "air is accessible" or "air is present".
Emma Carroll's new book The Girl Who Walked On Air is available at the Guardian bookshop.
Pneumatic wrenches are commonly used in automobile service stations, where compressed air is available and the sparking of electric motors is a fire hazard.
A ridge in western Canada is a good mechanism for delivering cold into the eastern United States if the cold air is available to tap.
Chilled water holds more dissolved oxygen than warm water, and air is available also between the water's surface and the ice layer during winter months in temperate regions.
As a consequence a reduced quantity of air is available for liner cooling, pushing the adoption of high effectiveness cooling schemes.
When breathable air is available so freely and in such quantity, it would be redundant to demand that breathable air be freely provided to all, in sufficient quantity for the needs of all.
Why bother to rid the air of pollution in cities like Beijing if bubbles of clean air are available?
Coal particles are not porous, and large volumes of combustion air are available for pneumatic transport at atmospheric pressure.
The arsenic content in the deposit and data on dust exposure were used as proxy variables to estimate the arsenic exposure within the JEM because only a few measurements of arsenic levels in air were available.
To see what trouble Matty gets himself into next catch the new episode of "Awkward.," airing 11 00 PM ET Tuesday, Sept. 20 on MTV, and to catch up on season one, all episodes that have aired are available here.
To see who Jenna chooses -- Matty or Jake -- catch the new episode of "Awkward.," airing 11 30 PM ET Tuesday, Sept. 13 on MTV, and to catch up on season one, all episodes that have aired are available here.
