Mist
phenomenon caused by small droplets of water suspended in air
Mist is a natural phenomenon caused by small droplets of water aerosols suspended in the cold air, usually by condensation. Physically, it is an example of a dispersion, most commonly seen where water vapor in warm, moist air meets sudden cooling, such as in exhaled air in the winter, or when hot sauna steam is suddenly released outside. Mist occurs naturally as part of weather, typically when humid air comes into contact with surfaces that are much cooler (e.g. mountains). It can also be created artificially with aerosol spray dispensers if the humidity and temperature conditions are right.
The formation of mist, as of other suspensions, is greatly aided by the presence of nucleation sites on which the suspended water phase can congeal. Thus even such unusual sources of nucleation as small ejecta particulates from volcanic eruptions, releases of strongly polar gases, and even the magnetospheric ions associated with polar lights can in right conditions trigger condensation and mist formation.
Mist is commonly confused with fog, which resembles a stratus cloud lying at ground level. These two phenomena differ, but share some commonalities; similar condensation processes form both fog and mist. Fog is denser, more opaque and generally lasts a longer time, while mist is thinner and more transparent.
The public source identifies “Mist” as phenomenon caused by small droplets of water suspended in air. This brief keeps that definition visible, then builds a research path around Mist, phenomenon and caused.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jun 24, 2026. The linked authority identifier is Q192196. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Mist” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.