UK GHG emissions: all sources, not seasonally adjusted
UK GHG emissions: all sources, not seasonally adjusted stood at 93,808.4 thousand tonnes CO2e in Q3 2025, according to Office for National Statistics (ONS). It is one of the indicators in the Greenhouse gas emissions table (Value · Quarterly), with a complete series running from Q1 1999 to Q3 2025. The complete series with an interactive chart, free to download.
This indicator in the Greenhouse gas emissions table
| Indicator | Q3-2025 | Q2-2025 | Q1-2025 | Q4-2024 | Q3-2024 | Q2-2024 | Q1-2024 | Q4-2023 | Q3-2023 | Q2-2023 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Greenhouse gases, all sources | |||||||||||
| Not seasonally adjusted | 93,808.4 | 103,552 | 148,070.3 | 136,619.5 | 101,546.9 | 116,264.2 | 151,299.6 | 133,976.6 | 98,396.4 | 109,412.8 | |
| Seasonally adjusted | 117,820.4 | 115,922.9 | 121,600.2 | 123,035.7 | 128,030.6 | 130,134.8 | 124,529 | 120,450.9 | 125,192.8 | 122,183.6 |
Understanding UK GHG emissions: all sources, not seasonally adjusted
Total greenhouse gas outputs originating from every domestic industry and household activity across the United Kingdom are quantified here without any mathematical smoothing for predictable weather or calendar variations. The tally encompasses carbon dioxide, methane, nitrous oxide, and fluorinated gases on a residence basis, capturing the footprint of domestic transport operators worldwide while omitting foreign vessels operating domestically. This raw metric preserves the full magnitude of annual cycles driven by cold weather heating demands and agricultural seasons, contrasting directly with smoothed variants.
Evaluating this dataset necessitates comparing each period exclusively against the identical period twelve months prior to properly contextualise annual weather impacts. Early estimates undergo routine revisions as administrative energy returns and fuel sales data are finalised by statistical compilers. Researchers must avoid comparing these unadjusted figures directly with seasonally adjusted metrics without accounting for recurring calendar patterns.
Frequently asked questions
- Why does this series display sharp peaks in certain periods?
- Unadjusted figures reflect higher fossil fuel consumption for winter heating and distinct agricultural cycles throughout the year.
- Is a year-on-year comparison preferred for unadjusted data?
- Comparing a quarter with the same period a year earlier neutralises recurring annual weather patterns and holiday shifts.
- What gases are aggregated into the total?
- Carbon dioxide, methane, nitrous oxide, and fluorinated gases are combined using global warming potential factors.