Exceedences
| Nitrogen Dioxide Exceedences | |||||
| Total period : 21/11/2021 04:00 - 28/11/2021 04:00 | |||||
| Integration time : 1.0 Hours, Observation limit :1 | |||||
| Swansea AURN | Morriston | Morfa | Hafod DOAS | St Thomas DOAS | |
| [ppb] | [ppb] | [ppb] | [ug/m3] | [ug/m3] | |
| Mean | 11.43 | 44.39 | 55.75 | ||
| Max | 36.66 | 120.85 | 117.74 | ||
| Sdv | 0.76 | 2.64 | 2.06 | ||
| Geom. mean | 8.24 | 31.27 | 50.21 | ||
| Exceedance Limit | 105.00 | 105.00 | 105.00 | 200.00 | 200.00 |
| Exceedance (%) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Exceedance Count | 0 | 0 | 0 | 0 | 0 |
| Exceedance (Hours) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Date of max | 24/11/2021 | 22/11/2021 | 24/11/2021 | ||
| Time of max | 18:00:00 | 18:00:00 | 17:00:00 | ||
| Perc:99.8 % | 36.66 | 120.85 | 117.74 | ||
All data supplied are non-validated and for information only.