Statistical data set
Figure 7: UK annual emissions of nitrogen oxides by 2024 major emission sources: 1990, 2005, 2023 and 2024
Updated 12 February 2026
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| source | year | emissions (million tonnes) |
|---|---|---|
| Total | 1990 | 2.6960046156257254 |
| Total | 2005 | 1.6283852120305504 |
| Total | 2023 | 0.5630128464187457 |
| Total | 2024 | 0.5382212252395014 |
| Road Transport | 1990 | 1.1638137061627685 |
| Road Transport | 2005 | 0.6079767671385004 |
| Road Transport | 2023 | 0.17929350458240953 |
| Road Transport | 2024 | 0.16387899234463688 |
| Energy Industries | 1990 | 0.8164283064314568 |
| Energy Industries | 2005 | 0.48947098951106716 |
| Energy Industries | 2023 | 0.11449223911357707 |
| Energy Industries | 2024 | 0.10521764159492797 |
| Industrial Combustion | 1990 | 0.3137919200376277 |
| Industrial Combustion | 2005 | 0.20181384391146978 |
| Industrial Combustion | 2023 | 0.084575482380052 |
| Industrial Combustion | 2024 | 0.08314046037198537 |
| Non-Road Transport | 1990 | 0.08872041547027239 |
| Non-Road Transport | 2005 | 0.10203489608553355 |
| Non-Road Transport | 2023 | 0.06736581473211957 |
| Non-Road Transport | 2024 | 0.0702420211164155 |
| Other | 1990 | 0.31325026752359986 |
| Other | 2005 | 0.22708871538397948 |
| Other | 2023 | 0.11728580561058752 |
| Other | 2024 | 0.11574210981153575 |