3,032 London Plane — day 18
2,706 London Plane — day 15
2,061 London Plane — day 6
30 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Amaranth | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 5 (Low) | 12 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 | 0 |
| 2 | 20 (Low) | 20 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 52 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 42 (Medium) | 11 | 0 |
| 3 | 8 (Low) | 32 (Medium) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 6 (Low) | 1 (Low) | 22 (Medium) | 0 (Low) | 2 (Low) | 2 (Low) | 2 (Low) | 18 (Medium) | 8 | 2 |
| 4 | 3 (Low) | 46 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 4 (Low) | 5 | 1 |
| 5 | 1 (Low) | 190 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 51 (High) | 3 | 0 |
| 6 | 29 (Low) | 2,061 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 5 (Low) | 25 (Medium) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 7 | 1 |
| 7 | 4 (Low) | 332 (Very high) | 6 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 10 (Low) | 4 (Low) | 0 (Low) | 6 (Low) | 7 | 0 |
| 8 | 5 (Low) | 884 (Very high) | 4 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 2 | 0 |
| 9 | 1 (Low) | 263 (High) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 1 | 0 |
| 10 | 0 (Low) | 38 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 0 |
| 11 | 1 (Low) | 313 (Very high) | 4 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 | 0 |
| 12 | 1 (Low) | 403 (Very high) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 2 | 0 |
| 13 | 0 (Low) | 1,203 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 13 (Low) | 6 | 0 |
| 14 | 6 (Low) | 1,274 (Very high) | 5 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 11 (Low) | 7 | 0 |
| 15 | 6 (Low) | 2,706 (Very high) | 8 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 9 (Low) | 7 (Low) | 0 (Low) | 3 (Low) | 3 (Low) | 3 (Low) | 36 (Medium) | 9 | 1 |
| 16 | 12 (Low) | 318 (Very high) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 15 (Medium) | 6 | 0 |
| 17 | 3 (Low) | 1,002 (Very high) | 6 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 1 (Low) | 20 (Medium) | 4 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 2 (Low) | 26 (Medium) | 8 | 1 |
| 18 | 9 (Low) | 3,032 (Very high) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 51 (High) | 9 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 74 (High) | 3 | 0 |
| 19 | 4 (Low) | 1,205 (Very high) | 5 (Low) | 3 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 41 (Medium) | 0 (Low) | 136 (Very high) | 4 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 2 (Low) | 49 (Medium) | 10 | 0 |
| 20 | 1 (Low) | 894 (Very high) | 5 (Low) | 2 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 76 (High) | 0 (Low) | 86 (High) | 8 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 17 (Medium) | 11 | 1 |
| 21 | 3 (Low) | 453 (Very high) | 3 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 98 (High) | 0 (Low) | 49 (Medium) | 19 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 3 (Low) | 10 (Low) | 24 | 0 |
| 22 | 2 (Low) | 748 (Very high) | 5 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 119 (Very high) | 0 (Low) | 52 (High) | 4 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 5 (Low) | 11 (Low) | 12 | 0 |
| 23 | 4 (Low) | 619 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 134 (Very high) | 0 (Low) | 50 (High) | 8 (Low) | 5 (Low) | 12 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 9 | 2 |
| 24 | 13 (Low) | 313 (Very high) | 4 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 172 (Very high) | 0 (Low) | 57 (High) | 11 (Low) | 1 (Low) | 10 (Low) | 0 (Low) | 2 (Low) | 6 (Low) | 5 | 1 |
| 25 | 4 (Low) | 283 (High) | 3 (Low) | 4 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 86 (High) | 0 (Low) | 24 (Medium) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 4 | 1 |
| 26 | 2 (Low) | 82 (Medium) | 2 (Low) | 7 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 42 (Medium) | 0 (Low) | 7 (Low) | 1 (Low) | 1 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 5 (Low) | 5 | 1 |
| 27 | 3 (Low) | 304 (Very high) | 9 (Low) | 11 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 408 (Very high) | 2 (Low) | 0 (Low) | 7 (Low) | 8 | 0 |
| 28 | 0 (Low) | 321 (Very high) | 4 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 23 (Medium) | 1 (Low) | 1 (Low) | 261 (Very high) | 6 (Low) | 2 (Low) | 4 (Low) | 8 | 1 |
| 29 | 1 (Low) | 113 (High) | 3 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 0 (Low) | 15 (Medium) | 2 (Low) | 2 (Low) | 3 (Low) | 11 | 2 |
| 30 | 3 (Low) | 84 (Medium) | 2 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 3 (Low) | 1 (Low) | 8 (Low) | 12 | 1 |