Poorly phrased question, since there aren't different kinds of water, I'm going to assume you want to know what state of water is found in air. The answer to that would be vaporous.
The evaporated water that's found in the air is gaseous water.
Boiled Water.
ice water
fresh water
there are no acids found in water
Salt water
Salt water.
in water
oxygen, and water can be found in the air
rain water
Salt water
dirty water