Statistical data set
Figure 2: Short term trends in emissions of PM10, PM2.5, nitrogen oxides, ammonia (NH3), non-methane volatile organic compounds (NMVOCs) and sulphur dioxide in the UK: 2014 to 2024
Updated 12 February 2026
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| pollutant | year | emissions (indexed to 2014) |
|---|---|---|
| Ammonia | 2014 | 100 |
| Ammonia | 2015 | 101.21927687230927 |
| Ammonia | 2016 | 102.031831972144 |
| Ammonia | 2017 | 103.63719290785549 |
| Ammonia | 2018 | 101.11226571716637 |
| Ammonia | 2019 | 101.47373755548853 |
| Ammonia | 2020 | 97.31373185885253 |
| Ammonia | 2021 | 99.79733224811375 |
| Ammonia | 2022 | 97.09029883363239 |
| Ammonia | 2023 | 98.48057792872935 |
| Ammonia | 2024 | 95.52143976727106 |
| Nitrogen Oxides as NO2 | 2014 | 100 |
| Nitrogen Oxides as NO2 | 2015 | 95.96450693089592 |
| Nitrogen Oxides as NO2 | 2016 | 85.67808063283091 |
| Nitrogen Oxides as NO2 | 2017 | 81.2335808324961 |
| Nitrogen Oxides as NO2 | 2018 | 77.87802817478635 |
| Nitrogen Oxides as NO2 | 2019 | 72.19392778553028 |
| Nitrogen Oxides as NO2 | 2020 | 61.3162816285047 |
| Nitrogen Oxides as NO2 | 2021 | 61.06650819374704 |
| Nitrogen Oxides as NO2 | 2022 | 59.46779275879348 |
| Nitrogen Oxides as NO2 | 2023 | 55.68185941579878 |
| Nitrogen Oxides as NO2 | 2024 | 53.22997297311236 |
| Non Methane VOC | 2014 | 100 |
| Non Methane VOC | 2015 | 99.57812911925004 |
| Non Methane VOC | 2016 | 97.84301390078677 |
| Non Methane VOC | 2017 | 99.04101135140172 |
| Non Methane VOC | 2018 | 101.33619295181309 |
| Non Methane VOC | 2019 | 99.31412074123764 |
| Non Methane VOC | 2020 | 95.61356237672068 |
| Non Methane VOC | 2021 | 93.80703795836101 |
| Non Methane VOC | 2022 | 89.99310400409377 |
| Non Methane VOC | 2023 | 90.03642086630445 |
| Non Methane VOC | 2024 | 88.39600285687548 |
| PM10 | 2014 | 100 |
| PM10 | 2015 | 98.90314456384452 |
| PM10 | 2016 | 98.00404469104967 |
| PM10 | 2017 | 100.31542902565904 |
| PM10 | 2018 | 99.30110579602254 |
| PM10 | 2019 | 94.361565380191 |
| PM10 | 2020 | 82.71019975903627 |
| PM10 | 2021 | 89.77772277846137 |
| PM10 | 2022 | 88.56711283871218 |
| PM10 | 2023 | 82.8317716897144 |
| PM10 | 2024 | 80.0277602718474 |
| PM2.5 | 2014 | 100 |
| PM2.5 | 2015 | 97.82025435052569 |
| PM2.5 | 2016 | 93.70011085094679 |
| PM2.5 | 2017 | 93.93081799881018 |
| PM2.5 | 2018 | 94.19641679243827 |
| PM2.5 | 2019 | 89.49463854441822 |
| PM2.5 | 2020 | 80.0384199766651 |
| PM2.5 | 2021 | 82.92101567379248 |
| PM2.5 | 2022 | 79.79184840123287 |
| PM2.5 | 2023 | 75.62406963990207 |
| PM2.5 | 2024 | 72.65285320146752 |
| Sulphur Dioxide | 2014 | 100 |
| Sulphur Dioxide | 2015 | 79.26900773504894 |
| Sulphur Dioxide | 2016 | 54.87076018059166 |
| Sulphur Dioxide | 2017 | 52.42013063843183 |
| Sulphur Dioxide | 2018 | 47.47421034995345 |
| Sulphur Dioxide | 2019 | 39.76605276951517 |
| Sulphur Dioxide | 2020 | 34.90365537728076 |
| Sulphur Dioxide | 2021 | 32.25581531250776 |
| Sulphur Dioxide | 2022 | 32.05777574569528 |
| Sulphur Dioxide | 2023 | 30.40210694608313 |
| Sulphur Dioxide | 2024 | 27.92426718659118 |