Statistical data set
Figure 12a: The annual mean PM2.5 concentration measured at monitoring stations in England from 2009 to 2025
Updated 30 June 2026
| Year | Annual mean concentration | Number of sites |
|---|---|---|
| 2009 | 9 | 3 |
| 2009 | 10 | 1 |
| 2009 | 11 | 4 |
| 2009 | 12 | 5 |
| 2009 | 13 | 5 |
| 2009 | 14 | 8 |
| 2009 | 15 | 1 |
| 2009 | 16 | 1 |
| 2009 | 18 | 1 |
| 2010 | 9 | 4 |
| 2010 | 10 | 3 |
| 2010 | 11 | 3 |
| 2010 | 12 | 1 |
| 2010 | 13 | 5 |
| 2010 | 14 | 7 |
| 2010 | 15 | 4 |
| 2010 | 16 | 4 |
| 2010 | 17 | 4 |
| 2010 | 19 | 1 |
| 2011 | 10 | 2 |
| 2011 | 11 | 2 |
| 2011 | 12 | 5 |
| 2011 | 13 | 3 |
| 2011 | 14 | 6 |
| 2011 | 15 | 3 |
| 2011 | 16 | 10 |
| 2011 | 17 | 3 |
| 2011 | 19 | 2 |
| 2011 | 24 | 1 |
| 2012 | 9 | 1 |
| 2012 | 10 | 4 |
| 2012 | 11 | 8 |
| 2012 | 12 | 5 |
| 2012 | 13 | 8 |
| 2012 | 14 | 6 |
| 2012 | 15 | 4 |
| 2012 | 16 | 5 |
| 2012 | 17 | 2 |
| 2012 | 18 | 1 |
| 2012 | 21 | 1 |
| 2013 | 9 | 4 |
| 2013 | 10 | 4 |
| 2013 | 11 | 5 |
| 2013 | 12 | 8 |
| 2013 | 13 | 8 |
| 2013 | 14 | 6 |
| 2013 | 15 | 4 |
| 2013 | 16 | 3 |
| 2013 | 17 | 1 |
| 2013 | 18 | 1 |
| 2013 | 20 | 1 |
| 2014 | 8 | 2 |
| 2014 | 9 | 2 |
| 2014 | 10 | 2 |
| 2014 | 11 | 5 |
| 2014 | 12 | 8 |
| 2014 | 13 | 7 |
| 2014 | 14 | 7 |
| 2014 | 15 | 3 |
| 2014 | 16 | 1 |
| 2014 | 18 | 1 |
| 2015 | 7 | 5 |
| 2015 | 8 | 1 |
| 2015 | 9 | 6 |
| 2015 | 10 | 16 |
| 2015 | 11 | 11 |
| 2015 | 12 | 9 |
| 2015 | 13 | 1 |
| 2015 | 15 | 1 |
| 2015 | 16 | 1 |
| 2016 | 7 | 2 |
| 2016 | 8 | 3 |
| 2016 | 9 | 4 |
| 2016 | 10 | 14 |
| 2016 | 11 | 10 |
| 2016 | 12 | 11 |
| 2016 | 13 | 2 |
| 2016 | 15 | 1 |
| 2016 | 16 | 1 |
| 2017 | 7 | 6 |
| 2017 | 8 | 5 |
| 2017 | 9 | 11 |
| 2017 | 10 | 8 |
| 2017 | 11 | 13 |
| 2017 | 12 | 5 |
| 2017 | 14 | 1 |
| 2017 | 15 | 1 |
| 2017 | 16 | 1 |
| 2018 | 7 | 1 |
| 2018 | 8 | 3 |
| 2018 | 9 | 13 |
| 2018 | 10 | 14 |
| 2018 | 11 | 9 |
| 2018 | 12 | 6 |
| 2018 | 13 | 1 |
| 2018 | 14 | 1 |
| 2018 | 15 | 1 |
| 2018 | 16 | 1 |
| 2019 | 8 | 6 |
| 2019 | 9 | 14 |
| 2019 | 10 | 14 |
| 2019 | 11 | 13 |
| 2019 | 12 | 7 |
| 2019 | 13 | 1 |
| 2019 | 14 | 2 |
| 2019 | 15 | 1 |
| 2020 | 6 | 1 |
| 2020 | 7 | 11 |
| 2020 | 8 | 25 |
| 2020 | 9 | 11 |
| 2020 | 10 | 6 |
| 2020 | 11 | 2 |
| 2020 | 12 | 1 |
| 2021 | 6 | 1 |
| 2021 | 7 | 16 |
| 2021 | 8 | 17 |
| 2021 | 9 | 11 |
| 2021 | 10 | 2 |
| 2021 | 11 | 2 |
| 2021 | 12 | 2 |
| 2021 | 13 | 1 |
| 2022 | 7 | 6 |
| 2022 | 8 | 19 |
| 2022 | 9 | 18 |
| 2022 | 10 | 6 |
| 2022 | 11 | 4 |
| 2022 | 12 | 2 |
| 2023 | 4 | 1 |
| 2023 | 5 | 1 |
| 2023 | 6 | 9 |
| 2023 | 7 | 28 |
| 2023 | 8 | 24 |
| 2023 | 9 | 6 |
| 2023 | 10 | 4 |
| 2023 | 12 | 1 |
| 2024 | 5 | 2 |
| 2024 | 6 | 10 |
| 2024 | 7 | 36 |
| 2024 | 8 | 26 |
| 2024 | 9 | 3 |
| 2024 | 10 | 1 |
| 2024 | 11 | 1 |
| 2025 | 5 | 2 |
| 2025 | 6 | 2 |
| 2025 | 7 | 12 |
| 2025 | 8 | 51 |
| 2025 | 9 | 33 |
| 2025 | 10 | 11 |
| 2025 | 11 | 2 |
| 2025 | 12 | 1 |