Printed from smellbook.com/smells/rain. This printout keeps the entry for Rain itself: its description, reference card, Connections, questions, evidence, related smells, record details, states, names and citation. It leaves out your own notes, the map, the lists of paths, routes, stories and fragrance directions, and the lists headed “Also linked to” (other entries that share its place or material) and “Linked from”; they are on the page online. The entries this one links to are still printed under Connections and Related smells.
Rain smells cool, wet and quietly mineral, with an earthy undertone that seems to hang over soil and pavement once the first drops have fallen. EDITORIAL
VERIFIED1 scientific claim from 1 source; not checked against the source text. VERIFIED means the claim rests on a registered published source whose citation SmellBook checked. No abstract or other summary of that source was available, so SmellBook could not compare the claim's wording with the source's own words.
Links SmellBook records for this entry: where you meet it, related smells and comparisons. EDITORIAL links are chosen by SmellBook editors. Nothing here is a ranking.
QUESTIONS ABOUT RAIN
Rain, question by question
What does rain smell like? EDITORIAL
Rain smells cool, wet and quietly mineral, with an earthy undertone that seems to hang over soil and pavement once the first drops have fallen. The air feels cleaner and heavier at once, damp rather than sharp. During a long shower the impression softens into a broad, watery freshness, and it lingers for a while after the clouds pass. It is easily confused with the narrower earthy burst of first rain on dry ground.
People notice it when stepping outside after a downpour, on city pavements darkening with water, and along forest paths where wet soil scents the air. It is especially striking after summer heat, when the first shower breaks a dry, warm spell.
Typical settings: after summer heat, city pavement, forest soil.
One VERIFIED scientific claim from one published source is recorded for this entry: Petrichor and rain on dry ground. This claim could not be checked against its source's own words, because no abstract or other summary of the source was available; it says only what is shown in its scope.
How do people describe it, and what is it compared with? EDITORIAL
SmellBook treats rain as an atmospheric experience rather than a single ingredient.
Answers marked EDITORIAL are written by SmellBook editors to describe the experience and add no scientific fact. Answers marked VERIFIED point to claims on published sources, checked against each source's own summary where one was available (each claim's page says how); what each claim supports is in its own text and scope.
01WHAT THE EVIDENCE SAYSVERIFIED
What the evidence supports
This one VERIFIED scientific claim, from one source, covers how it is described or perceived. How the scientific evidence was produced: a broad account. This claim could not be checked against its source's own words, because no abstract or other summary of the source was available; it says only what is shown in its scope.
What is editorial
The description, smell words, associations and related smells on this page are written by SmellBook's editors and labelled EDITORIAL or CULTURAL; a claim below does not make them VERIFIED.
VERIFIEDSCIENTIFICWORDING NOT CHECKED: NO SOURCE SUMMARY AVAILABLE
VERIFIED means the claim rests on a registered published source whose citation SmellBook checked. No abstract or other summary of that source was available, so SmellBook could not compare the claim's wording with the source's own words.
The scientific literature has used the term petrichor for the characteristic earthy odour associated with rain acting on dry mineral and soil environments.
Historical scientific framing of petrichor; this does not mean every rainy environment has one identical chemical profile.
How this was found: Broad account. A broad statement about how an aroma forms, how it is studied or what a term means, rather than one measurement. Source: primary study.
CITED BY VERIFIED CLAIMWORDING NOT CHECKEDPrimary study
Each step is a relationship SmellBook editors recorded in the knowledge graph, named as it is published there. Paths are not ranked or personalised, and they do not mean the smells smell alike.
Directions name SmellBook entries as descriptions to refer to; they are not product recommendations. Fragrance-free is always a valid choice for a space.
CULTURAL: This entry's associations depend on context, language, memory or culture; its description and smell words are editorial. It says nothing about research or historical evidence; evidence for this entry is shown separately: VERIFIED.
ATLAS POSITION001 / 200
MILESTONEIconic 100
PRIMARY CATEGORYNature
PUBLIC TYPEPhenomenon
PROFILE STATUScomplete
States recorded for Rain
wetEDITORIALThe entry's own words include this state. (“wet”)Dry vs Wet
A state says how an entry is met, such as wet, aged or roasted. It does not create a new smell, and it adds no scientific fact by itself: states marked EDITORIAL come from the entry's own records, and only those marked VERIFIED are reported by a VERIFIED claim.
Names and identity for Rain
How this entry is identified and named, for citing it or matching it with other records.
@misc{smellbook_rain_r3,
author = {{SmellBook}},
title = {Rain},
year = {2026},
note = {SmellBook Public Atlas, revision 3, 2026-10-06, smellbook:smell:rain},
url = {https://smellbook.com/smells/rain}
}
TY - ENCYC
ID - smellbook-rain-r3
TI - Rain
AU - SmellBook
T2 - SmellBook Public Atlas
PY - 2026
DA - 2026/10/06
ET - revision 3
UR - https://smellbook.com/smells/rain
N1 - SB-0001; smellbook:smell:rain; resolver https://smellbook.com/id/smell/rain
ER -
The citation names revision 3 of 2026-10-06, so a reader can tell exactly which version was cited. Citing records what was read; it does not grant a licence.
PROFILE NOTE
SmellBook treats rain as an atmospheric experience rather than a single ingredient.