Whenever someone comes back from a walk outside on a crisp day, they have an odor that’s distinctive of outside. My nose is not the best, but I’d say somewhat metallic. What is causing that smell?
In: Chemistry
When you’re outside you walk through substances containing odors of all kinds. Allergens, pollen, car exhaust, dust, humidity, Sea breeze, smoke, chemical fumes, floral scents, so on and so forth. All those substances get trapped in your clothes containing trace amounts of odor forming the outside smell which is particular to your location in the world. As well as how sensitive your nose is.
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