Statistical data set
Figure 16: Monthly mean daily maximum 8-hour mean concentrations of O3 in the UK, 2023
Updated 30 April 2024
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| Site type | Month | Number of sites | Mean daily maximum 8-hour mean ozone concentration (µg/m3) | 95% confidence interval (+/-) |
|---|---|---|---|---|
| Rural Background | January | 17 | 68.62660717 | 2.985926398 |
| Rural Background | February | 19 | 69.09266237 | 3.854391169 |
| Rural Background | March | 18 | 77.9988464 | 2.497104662 |
| Rural Background | April | 20 | 87.45167858 | 2.430885181 |
| Rural Background | May | 19 | 80.87329523 | 2.175841004 |
| Rural Background | June | 19 | 93.59537644 | 3.209762243 |
| Rural Background | July | 18 | 67.14028315 | 2.460175243 |
| Rural Background | August | 19 | 67.26160044 | 2.089923003 |
| Rural Background | September | 20 | 77.14517443 | 3.576180606 |
| Rural Background | October | 21 | 61.69373251 | 3.116986616 |
| Rural Background | November | 21 | 60.57335152 | 2.918852783 |
| Rural Background | December | 21 | 64.89501441 | 2.194531432 |
| Urban Background | January | 41 | 57.96756304 | 1.989750692 |
| Urban Background | February | 44 | 59.2238979 | 2.340458722 |
| Urban Background | March | 52 | 70.98922446 | 1.256542181 |
| Urban Background | April | 55 | 81.6892494 | 1.281251695 |
| Urban Background | May | 57 | 76.88733866 | 1.217067558 |
| Urban Background | June | 55 | 90.39611744 | 1.824326465 |
| Urban Background | July | 55 | 63.41077329 | 1.314964984 |
| Urban Background | August | 54 | 63.30894053 | 1.301284197 |
| Urban Background | September | 57 | 73.618836 | 1.96488487 |
| Urban Background | October | 55 | 53.07590921 | 1.943355454 |
| Urban Background | November | 57 | 51.54052375 | 1.513229489 |
| Urban Background | December | 61 | 57.40663864 | 1.228241669 |