You may not like the rain, but you definitely love the smell of it. So why does this happen? And what is it about the rain that makes us love the smell so much? According to science, these are the reasons:

Petrichor

One of the odors of rain is called “Petrichor.” The scent itself is that smell that lingers during rainfall after a long dry spell. The term was coined in 1964 by several Australian scientists who were studying scents.
Petrichor is released when chemicals from bacteria found in soil are released.

Ozone

Ozone is another scent associated with rainfall. Lightning has the ability to split nitrogen and oxygen molecules which recombine into nitric oxide.



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