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: 2013 to 2023

Updated 13 March 2025
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pollutant year emissions (indexed to 2013)
Ammonia 2013 100
Ammonia 2014 104.5338815
Ammonia 2015 105.5616914
Ammonia 2016 106.424667
Ammonia 2017 107.7273548
Ammonia 2018 106.0169514
Ammonia 2019 105.9329174
Ammonia 2020 102.5718228
Ammonia 2021 104.8489148
Ammonia 2022 101.8755088
Ammonia 2023 103.0731686
Nitrogen Oxides as NO2 2013 100
Nitrogen Oxides as NO2 2014 92.93298125
Nitrogen Oxides as NO2 2015 88.87159073
Nitrogen Oxides as NO2 2016 80.07919233
Nitrogen Oxides as NO2 2017 75.85434819
Nitrogen Oxides as NO2 2018 72.98334201
Nitrogen Oxides as NO2 2019 68.03062786
Nitrogen Oxides as NO2 2020 58.38212686
Nitrogen Oxides as NO2 2021 57.9051814
Nitrogen Oxides as NO2 2022 55.71131698
Nitrogen Oxides as NO2 2023 52.60012265
Non Methane VOC 2013 100
Non Methane VOC 2014 97.58525555
Non Methane VOC 2015 97.35556841
Non Methane VOC 2016 95.44223158
Non Methane VOC 2017 96.4698204
Non Methane VOC 2018 99.05734149
Non Methane VOC 2019 96.96452441
Non Methane VOC 2020 93.44595648
Non Methane VOC 2021 91.23683121
Non Methane VOC 2022 87.2636964
Non Methane VOC 2023 86.10052644
PM10 2013 100
PM10 2014 95.95998748
PM10 2015 93.98790277
PM10 2016 94.63943232
PM10 2017 98.41642966
PM10 2018 95.29866957
PM10 2019 92.78428611
PM10 2020 81.29885508
PM10 2021 85.97380985
PM10 2022 86.24738268
PM10 2023 79.13676843
PM2.5 2013 100
PM2.5 2014 95.12531468
PM2.5 2015 92.65271112
PM2.5 2016 89.30289367
PM2.5 2017 89.62972934
PM2.5 2018 89.79404127
PM2.5 2019 85.84920226
PM2.5 2020 76.8097772
PM2.5 2021 79.29999516
PM2.5 2022 76.57162622
PM2.5 2023 71.81205031
Sulphur Dioxide 2013 100
Sulphur Dioxide 2014 77.24727744
Sulphur Dioxide 2015 60.61194129
Sulphur Dioxide 2016 42.85214763
Sulphur Dioxide 2017 41.16334571
Sulphur Dioxide 2018 37.54799485
Sulphur Dioxide 2019 31.86975412
Sulphur Dioxide 2020 27.0230902
Sulphur Dioxide 2021 24.92029989
Sulphur Dioxide 2022 24.6482169
Sulphur Dioxide 2023 23.40132544