Statistical data set
Figure 6: Annual concentrations of PM2.5 in the UK, 2009 to 2024
Updated 26 June 2025
| 锘縎ite type | Year | Mean concentration of PM2.5 (碌g/m3) | 95% confidence interval for 'All sites' (+/-) | Number of sites |
|---|---|---|---|---|
| Urban Background | 2009 | 12.39330819 | 0.626062171 | 36 |
| Urban Background | 2010 | 12.97303305 | 0.812720694 | 34 |
| Urban Background | 2011 | 13.70484034 | 0.893151642 | 34 |
| Urban Background | 2012 | 12.56147285 | 0.768436235 | 33 |
| Urban Background | 2013 | 12.08719676 | 0.675479967 | 35 |
| Urban Background | 2014 | 12.07975466 | 0.716146312 | 33 |
| Urban Background | 2015 | 9.771605679 | 0.528071547 | 39 |
| Urban Background | 2016 | 9.789564396 | 0.548507071 | 39 |
| Urban Background | 2017 | 9.414699196 | 0.535408584 | 39 |
| Urban Background | 2018 | 9.925692183 | 0.466330617 | 38 |
| Urban Background | 2019 | 9.880706492 | 0.43235285 | 41 |
| Urban Background | 2020 | 7.883404295 | 0.418183508 | 42 |
| Urban Background | 2021 | 7.923250598 | 0.384731927 | 39 |
| Urban Background | 2022 | 8.254496165 | 0.363337492 | 46 |
| Urban Background | 2023 | 7.234380231 | 0.268663698 | 56 |
| Urban Background | 2024 | 7.151135543 | 0.19893795 | 60 |
| Urban Traffic | 2009 | 12.77176475 | 6.889557094 | 5 |
| Urban Traffic | 2010 | 14.36795499 | 2.770635671 | 13 |
| Urban Traffic | 2011 | 15.96296847 | 2.547927476 | 15 |
| Urban Traffic | 2012 | 14.13528994 | 1.957167748 | 17 |
| Urban Traffic | 2013 | 13.34519169 | 1.581824295 | 19 |
| Urban Traffic | 2014 | 12.58797274 | 1.330394335 | 19 |
| Urban Traffic | 2015 | 10.94144661 | 1.06143694 | 21 |
| Urban Traffic | 2016 | 10.94645084 | 1.301504013 | 19 |
| Urban Traffic | 2017 | 9.929084339 | 1.599379351 | 19 |
| Urban Traffic | 2018 | 10.60553628 | 1.195116934 | 20 |
| Urban Traffic | 2019 | 10.0750357 | 1.099306212 | 23 |
| Urban Traffic | 2020 | 8.059144493 | 0.782367798 | 22 |
| Urban Traffic | 2021 | 8.323883238 | 0.948265065 | 21 |
| Urban Traffic | 2022 | 8.741194584 | 0.841259399 | 22 |
| Urban Traffic | 2023 | 7.765361512 | 0.733034088 | 23 |
| Urban Traffic | 2024 | 7.535017854 | 0.640787717 | 23 |