Statistical data set
Figure 17: Mean number of days per urban site when air pollution was 鈥楳oderate鈥� or higher in the UK, 2010 to 2025
Updated 30 June 2026
| Site type | Year | Mean number of days with moderate or above pollution |
|---|---|---|
| Rural | 2010 | 9.818181818181818 |
| Rural | 2011 | 16.17391304347826 |
| Rural | 2012 | 13.05 |
| Rural | 2013 | 17.095238095238095 |
| Rural | 2014 | 9.954545454545455 |
| Rural | 2015 | 11.095238095238095 |
| Rural | 2016 | 11.380952380952381 |
| Rural | 2017 | 8.80952380952381 |
| Rural | 2018 | 25.8 |
| Rural | 2019 | 18.75 |
| Rural | 2020 | 20.94736842105263 |
| Rural | 2021 | 11.833333333333334 |
| Rural | 2022 | 20.5 |
| Rural | 2023 | 18.6 |
| Rural | 2024 | 11 |
| Rural | 2025 | 18.91304347826087 |
| Urban | 2010 | 15.581818181818182 |
| Urban | 2011 | 23.553571428571427 |
| Urban | 2012 | 18.196428571428573 |
| Urban | 2013 | 15.25 |
| Urban | 2014 | 12.927272727272728 |
| Urban | 2015 | 10.210526315789474 |
| Urban | 2016 | 8.78688524590164 |
| Urban | 2017 | 7.609375 |
| Urban | 2018 | 8.850746268656716 |
| Urban | 2019 | 12.1375 |
| Urban | 2020 | 9.94047619047619 |
| Urban | 2021 | 4.4 |
| Urban | 2022 | 9.308510638297872 |
| Urban | 2023 | 8.571428571428571 |
| Urban | 2024 | 6.201923076923077 |
| Urban | 2025 | 11.775 |