420 Olive — day 22
413 Olive — day 20
313 Olive — day 21
28 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 3 (Low) | 6 (Low) | 6 (Low) | 17 (Low) | 0 (Low) |
| 2 | — | — | — | — | — |
| 3 | — | — | — | — | — |
| 4 | — | — | — | — | — |
| 5 | 19 (Low) | 2 (Low) | 16 (Low) | 12 (Low) | 0 (Low) |
| 6 | 13 (Low) | 3 (Low) | 32 (Medium) | 36 (Medium) | 4 (Low) |
| 7 | 12 (Low) | 3 (Low) | 31 (Medium) | 32 (Medium) | 30 (Low) |
| 8 | 3 (Low) | 0 (Low) | 92 (High) | 39 (Medium) | 166 (Medium) |
| 9 | 11 (Low) | 0 (Low) | 169 (Very high) | 64 (High) | 238 (High) |
| 10 | 0 (Low) | 0 (Low) | 25 (Low) | 7 (Low) | 22 (Low) |
| 11 | 1 (Low) | 0 (Low) | 12 (Low) | 12 (Low) | 126 (Medium) |
| 12 | 0 (Low) | 0 (Low) | 55 (Medium) | 13 (Low) | 71 (Medium) |
| 13 | 6 (Low) | 0 (Low) | 43 (Medium) | 20 (Medium) | 89 (Medium) |
| 14 | 12 (Low) | 0 (Low) | 30 (Medium) | 22 (Medium) | 32 (Low) |
| 15 | 3 (Low) | 0 (Low) | 14 (Low) | 9 (Low) | 4 (Low) |
| 16 | 6 (Low) | 0 (Low) | 90 (High) | 20 (Medium) | 76 (Medium) |
| 17 | 9 (Low) | 0 (Low) | 72 (Medium) | 19 (Low) | 58 (Medium) |
| 18 | 6 (Low) | 0 (Low) | 37 (Medium) | 16 (Low) | 58 (Medium) |
| 19 | 2 (Low) | 0 (Low) | 48 (Medium) | 11 (Low) | 123 (Medium) |
| 20 | 1 (Low) | 0 (Low) | 41 (Medium) | 22 (Medium) | 413 (Very high) |
| 21 | 0 (Low) | 0 (Low) | 67 (Medium) | 39 (Medium) | 313 (High) |
| 22 | 1 (Low) | 0 (Low) | 67 (Medium) | 12 (Low) | 420 (Very high) |
| 23 | 0 (Low) | 0 (Low) | 7 (Low) | 2 (Low) | 23 (Low) |
| 24 | 0 (Low) | 0 (Low) | 14 (Low) | 10 (Low) | 113 (Medium) |
| 25 | 4 (Low) | 0 (Low) | 14 (Low) | 3 (Low) | 41 (Low) |
| 26 | 1 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 4 (Low) |
| 27 | 2 (Low) | 0 (Low) | 12 (Low) | 2 (Low) | 28 (Low) |
| 28 | 4 (Low) | 0 (Low) | 33 (Medium) | 3 (Low) | 51 (Medium) |
| 29 | 10 (Low) | 0 (Low) | 32 (Medium) | 8 (Low) | 132 (Medium) |
| 30 | 17 (Low) | 0 (Low) | 51 (Medium) | 21 (Medium) | 245 (High) |
| 31 | 18 (Low) | 0 (Low) | 44 (Medium) | 28 (Medium) | 28 (Low) |