Statistical data set
Figure 16: Monthly mean daily maximum 8-hour mean concentrations of O3 in the UK, 2024
Updated 26 June 2025
| 锘縎ite type | Month | Mean daily maximum 8-hour mean concentration of ozone (碌g/m3) | 95% confidence interval for 'All sites' (+/-) | Number of sites |
|---|---|---|---|---|
| Rural Background | January | 67.1018491 | 2.265581753 | 21 |
| Rural Background | February | 70.99795065 | 2.432021026 | 22 |
| Rural Background | March | 75.64183572 | 2.041295073 | 21 |
| Rural Background | April | 84.70131891 | 1.770761157 | 20 |
| Rural Background | May | 84.78451817 | 2.117516898 | 20 |
| Rural Background | June | 76.27240403 | 2.448871184 | 21 |
| Rural Background | July | 67.5274126 | 3.357755862 | 22 |
| Rural Background | August | 71.32454668 | 4.004351341 | 20 |
| Rural Background | September | 72.19513347 | 2.657810783 | 21 |
| Rural Background | October | 62.37608293 | 2.284526485 | 20 |
| Rural Background | November | 54.76835882 | 3.083758717 | 21 |
| Rural Background | December | 64.54732591 | 2.359192335 | 22 |
| Urban Background | January | 59.83851942 | 1.069598092 | 58 |
| Urban Background | February | 63.27510513 | 1.288235877 | 57 |
| Urban Background | March | 69.57677007 | 1.199961498 | 59 |
| Urban Background | April | 80.81731543 | 1.319993018 | 56 |
| Urban Background | May | 81.19344894 | 1.390657356 | 58 |
| Urban Background | June | 75.11181788 | 1.614609332 | 57 |
| Urban Background | July | 65.33386628 | 1.865972325 | 56 |
| Urban Background | August | 68.37577487 | 1.890893312 | 59 |
| Urban Background | September | 69.38963408 | 1.303257247 | 60 |
| Urban Background | October | 55.49477522 | 1.462356983 | 60 |
| Urban Background | November | 44.89891601 | 1.31601467 | 57 |
| Urban Background | December | 58.64812771 | 1.237117988 | 59 |