The Peat Index: whisky peat levels in PPM
Parts per million of phenols in the malted barley — the smoke that goes into the kiln. Much is lost in distillation and maturation, so it's a guide to style rather than an exact measure of smokiness in the glass.
Distilleries by peat level
| Distillery | Region | PPM |
|---|---|---|
| Ardbeg | Islay | 55 |
| Torabhaig | Islands | 55 |
| Kilchoman | Islay | 50 |
| Lagg | Islands | 50 |
| Laphroaig | Islay | 42 |
| Port Ellen | Islay | 40 |
| Ardnahoe | Islay | 40 |
| Lagavulin | Islay | 35 |
| BenRiach | Speyside | 35 |
| Tobermory (Ledaig) | Islands | 35 |
| Caol Ila | Islay | 32 |
| Bowmore | Islay | 25 |
| Talisker | Islands | 20 |
| Highland Park | Islands | 20 |
| Springbank | Campbeltown | 14 |
| Ardmore | Highlands | 13 |
| Isle of Harris | Islands | 12 |
| Jura | Islands | 8 |
| Bunnahabhain | Islay | 2 |
| Oban | Highlands | 2 |
| Bruichladdich | Islay | 0 |
| The Macallan | Speyside | 0 |
| Glenfiddich | Speyside | 0 |
| The Balvenie | Speyside | 0 |
| The Glenlivet | Speyside | 0 |
| Aberlour | Speyside | 0 |
| Glenfarclas | Speyside | 0 |
| GlenDronach | Highlands | 0 |
| Glenmorangie | Highlands | 0 |
| The Dalmore | Highlands | 0 |
| Clynelish | Highlands | 0 |
| Old Pulteney | Highlands | 0 |
| Edradour | Highlands | 0 |
| Glengoyne | Highlands | 0 |
| Scapa | Islands | 0 |
| Arran (Lochranza) | Islands | 0 |
| Auchentoshan | Lowlands | 0 |
| Glenkinchie | Lowlands | 0 |
The most heavily peated bottlings
- Octomore 08.3 Islay Barley — Bruichladdich 2017 · 5 years · 309.1 PPM
- Octomore 18.3 — Bruichladdich 2026 · 15 years · 56.7% ABV · 309.1 PPM
- Octomore 15.3 Islay Barley — Bruichladdich 2024 · 5 years · 61.3% ABV · 307.2 PPM
- Octomore 06.3 Islay Barley — Bruichladdich 2014 · 5 years · 258 PPM
- Octomore 14.3 Islay Barley — Bruichladdich 2023 · 5 years · 61.4% ABV · 214.2 PPM
- Octomore 07.1 — Bruichladdich 2015 · 5 years · 208 PPM
- Octomore 07.2 — Bruichladdich 2015 · 5 years · 208 PPM
- Octomore Ten (Fourth Edition) — Bruichladdich 2020 · 10 years · 54.3% ABV · 208 PPM
- Octomore 11.3 Islay Barley — Bruichladdich 2020 · 5 years · 61.7% ABV · 194 PPM
- Octomore 16.3 Islay Barley — Bruichladdich 2025 · 5 years · 61.6% ABV · 189.5 PPM
- Octomore 08.4 Virgin Oak — Bruichladdich 2017 · 8 years · 170 PPM
- Octomore 05.1 — Bruichladdich 2012 · 5 years · 169 PPM
- Octomore 07.3 Islay Barley — Bruichladdich 2016 · 5 years · 169 PPM
- Octomore 04.1 — Bruichladdich 2011 · 5 years · 167 PPM
- Octomore 04.2 Comus — Bruichladdich 2011 · 5 years · 167 PPM
- Octomore 4.2 Virgin Oak — Bruichladdich 2011 · 5 years · 167 PPM
- Octomore 06.1 — Bruichladdich 2013 · 5 years · 167 PPM
- Octomore 06.2 — Bruichladdich 2013 · 5 years · 167 PPM
- Octomore 07.4 Virgin Oak — Bruichladdich 2016 · 7 years · 167 PPM
- Octomore 08.1 — Bruichladdich 2017 · 8 years · 167 PPM
- Octomore 08.2 — Bruichladdich 2017 · 8 years · 167 PPM
- Octomore 09.1 Dialogos — Bruichladdich 2018 · 5 years · 59.1% ABV · 156 PPM
- Octomore 09.2 Dialogos — Bruichladdich 2018 · 5 years · 156 PPM
- Octomore 03.1 — Bruichladdich 2010 · 5 years · 152 PPM
- Octomore 02.1 — Bruichladdich 2009 · 5 years · 62.5% ABV · 140 PPM
- Octomore 02.2 Orpheus — Bruichladdich 2009 · 5 years · 140 PPM
- Octomore 11.1 — Bruichladdich 2020 · 5 years · 59.4% ABV · 139.6 PPM
- Octomore 11.2 — Bruichladdich 2020 · 5 years · 139.6 PPM
- Octomore 13.1 — Bruichladdich 2022 · 5 years · 137.3 PPM
- Octomore 13.2 — Bruichladdich 2022 · 5 years · 58.3% ABV · 137.3 PPM