# United Kingdom CPI item — Ultra Low Sulphur Diesel Cpi ()

United Kingdom CPI item — Ultra Low Sulphur Diesel Cpi () was up 37.3% year on year in September 2026, compared with 29.3% in August 2026.
The level stood at 135.1 (index (Jan=100, annually chain-linked)).
Over the past available history it has ranged from −2.5% (Feb 2026) to 37.3% (Sep 2026), averaging 24.4%.

- Source agency: UK Office for National Statistics (CPI item / consumption-segment indices)
- Makrognosis code: `UK.CPI.M.NSA.ITEM-610309`
- Frequency: monthly
- Units: index (Jan=100, annually chain-linked)
- Coverage: 2025-02-01 to 2026-09-01 (20 observations)
- Page: https://makrognosis.robomacro.com/data/united-kingdom/cpi-item-ultra-low-sulphur-diesel-cpi

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 135.1 | 37.3 |
| August 2026 | 127.6 | 29.3 |
| July 2026 | 117.6 | 19.9 |
| June 2026 | 123.8 | 28.9 |
| May 2026 | 131.4 | 36.1 |
| April 2026 | 133.3 | 35.6 |
| March 2026 | 111.4 | 10.8 |
| February 2026 | 99.05 | −2.5 |
| January 2026 | 97.77 | — |
| December 2025 | 101.1 | — |
| November 2025 | 99.80 | — |
| October 2025 | 99.23 | — |
| September 2025 | 98.42 | — |
| August 2025 | 98.65 | — |
| July 2025 | 98.10 | — |
| June 2025 | 96.10 | — |
| May 2025 | 96.49 | — |
| April 2025 | 98.32 | — |
| March 2025 | 100.5 | — |
| February 2025 | 101.6 | — |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.ITEM-610309"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/UK.CPI.M.NSA.ITEM-610309",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```