See more information about this guidance

Statistical data set

Figure 19: Average number of days when levels of ozone, particulate matter, nitrogen dioxide and sulphur dioxide were ‘Moderate’ or higher at urban sites in the UK, 2010 to 2023

Updated 30 April 2024
Download CSV 1.43 KB

Year Pollutant Mean number of days per urban site with moderate or above pollution
2010 Ozone 3.9
2011 Ozone 7.3
2012 Ozone 5.6
2013 Ozone 5.4
2014 Ozone 4.4
2015 Ozone 3.6
2016 Ozone 5.6
2017 Ozone 3.5
2018 Ozone 14.1
2019 Ozone 9.9
2020 Ozone 17.3
2021 Ozone 5.8
2022 Ozone 14.1
2023 Ozone 14.3
2010 Nitrogen dioxide 4.9
2011 Nitrogen dioxide 2.6
2012 Nitrogen dioxide 2
2013 Nitrogen dioxide 1.5
2014 Nitrogen dioxide 1.3
2015 Nitrogen dioxide 1
2016 Nitrogen dioxide 1.2
2017 Nitrogen dioxide 0.5
2018 Nitrogen dioxide 0.5
2019 Nitrogen dioxide 0.1
2020 Nitrogen dioxide 0
2021 Nitrogen dioxide 0
2022 Nitrogen dioxide 0
2023 Nitrogen dioxide 0
2010 Sulphur dioxide 0.6
2011 Sulphur dioxide 0.7
2012 Sulphur dioxide 0.9
2013 Sulphur dioxide 0.2
2014 Sulphur dioxide 0.1
2015 Sulphur dioxide 0.1
2016 Sulphur dioxide 0.1
2017 Sulphur dioxide 0
2018 Sulphur dioxide 0
2019 Sulphur dioxide 0.1
2020 Sulphur dioxide 0.3
2021 Sulphur dioxide 0
2022 Sulphur dioxide 0.1
2023 Sulphur dioxide 0.5
2010 PM10 5.6
2011 PM10 13.7
2012 PM10 7.9
2013 PM10 6.4
2014 PM10 6
2015 PM10 4.6
2016 PM10 3.6
2017 PM10 3.6
2018 PM10 2.4
2019 PM10 5.9
2020 PM10 1.6
2021 PM10 1.6
2022 PM10 3.6
2023 PM10 1.3
2010 PM2.5 9.3
2011 PM2.5 20
2012 PM2.5 13.2
2013 PM2.5 11.2
2014 PM2.5 10
2015 PM2.5 6.6
2016 PM2.5 5.2
2017 PM2.5 5.7
2018 PM2.5 3
2019 PM2.5 7
2020 PM2.5 2.3
2021 PM2.5 1.2
2022 PM2.5 3
2023 PM2.5 0.6