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Why does cold air smell different?

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  • 1 decade ago
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    Air, hot or cold, doesn't have any odor. It is other materials dissolved or suspended in the air that gives air an apparent odor. If you are referring to the air outdoors, air in warm weather contains traces of substances released by flowers, soil, and other natural sources. These materials would not be present in the air in cold weather. Instead, vapors from home heating are likely to be present during cold weather, giving the air a different odor.

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