Statistical data set
Figure 6: Annual concentrations of PM2.5 in the UK, 2009 to 2023
Updated 30 April 2024
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| Site type | Year | Number of sites | Mean PM2.5 concentration (µg/m3) | 95% confidence interval for 'All sites' (+/-) |
|---|---|---|---|---|
| Urban Background | 2009 | 36 | 12.39330819 | 0.626062171 |
| Urban Background | 2010 | 34 | 12.97303305 | 0.812720694 |
| Urban Background | 2011 | 34 | 13.70484034 | 0.893151642 |
| Urban Background | 2012 | 33 | 12.56147285 | 0.768436235 |
| Urban Background | 2013 | 35 | 12.08719676 | 0.675479967 |
| Urban Background | 2014 | 33 | 12.07975466 | 0.716146312 |
| Urban Background | 2015 | 39 | 9.771605679 | 0.528071547 |
| Urban Background | 2016 | 39 | 9.789564396 | 0.548507071 |
| Urban Background | 2017 | 39 | 9.414699196 | 0.535408584 |
| Urban Background | 2018 | 38 | 9.925692183 | 0.466330617 |
| Urban Background | 2019 | 41 | 9.880706492 | 0.43235285 |
| Urban Background | 2020 | 42 | 7.883404295 | 0.418183508 |
| Urban Background | 2021 | 39 | 7.923250598 | 0.384731927 |
| Urban Background | 2022 | 46 | 8.254496165 | 0.363337492 |
| Urban Background | 2023 | 56 | 7.236008408 | 0.268876546 |
| Urban Traffic | 2009 | 5 | 12.77176475 | 6.889557094 |
| Urban Traffic | 2010 | 13 | 14.36795499 | 2.770635671 |
| Urban Traffic | 2011 | 15 | 15.96296847 | 2.547927476 |
| Urban Traffic | 2012 | 17 | 14.13528994 | 1.957167748 |
| Urban Traffic | 2013 | 19 | 13.34519169 | 1.581824295 |
| Urban Traffic | 2014 | 19 | 12.58797274 | 1.330394335 |
| Urban Traffic | 2015 | 21 | 10.94144661 | 1.06143694 |
| Urban Traffic | 2016 | 19 | 10.94645084 | 1.301504013 |
| Urban Traffic | 2017 | 19 | 9.929084339 | 1.599379351 |
| Urban Traffic | 2018 | 20 | 10.60553628 | 1.195116934 |
| Urban Traffic | 2019 | 23 | 10.0750357 | 1.099306212 |
| Urban Traffic | 2020 | 22 | 8.059144493 | 0.782367798 |
| Urban Traffic | 2021 | 21 | 8.323883238 | 0.948265065 |
| Urban Traffic | 2022 | 22 | 8.741194584 | 0.841259399 |
| Urban Traffic | 2023 | 23 | 7.722145566 | 0.737629927 |