311 Olive — day 10
230 Olive — day 4
164 Olive — day 12
31 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 9 (Low) | 0 (Low) | 3 (Low) | 12 (Low) | 10 (Low) |
| 2 | 10 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 28 (Low) |
| 3 | 5 (Low) | 0 (Low) | 11 (Low) | 24 (Medium) | 109 (Medium) |
| 4 | 9 (Low) | 0 (Low) | 42 (Medium) | 58 (High) | 230 (High) |
| 5 | 4 (Low) | 0 (Low) | 61 (Medium) | 39 (Medium) | 142 (Medium) |
| 6 | 1 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 23 (Low) |
| 7 | 2 (Low) | 0 (Low) | 8 (Low) | 12 (Low) | 14 (Low) |
| 8 | 2 (Low) | 0 (Low) | 36 (Medium) | 23 (Medium) | 26 (Low) |
| 9 | 4 (Low) | 0 (Low) | 27 (Low) | 38 (Medium) | 41 (Low) |
| 10 | 7 (Low) | 0 (Low) | 89 (High) | 38 (Medium) | 311 (High) |
| 11 | 3 (Low) | 0 (Low) | 58 (Medium) | 28 (Medium) | 119 (Medium) |
| 12 | 2 (Low) | 0 (Low) | 48 (Medium) | 30 (Medium) | 164 (Medium) |
| 13 | 1 (Low) | 0 (Low) | 14 (Low) | 11 (Low) | 63 (Medium) |
| 14 | 2 (Low) | 0 (Low) | 11 (Low) | 17 (Low) | 44 (Low) |
| 15 | 0 (Low) | 0 (Low) | 22 (Low) | 8 (Low) | 46 (Low) |
| 16 | 2 (Low) | 0 (Low) | 49 (Medium) | 8 (Low) | 40 (Low) |
| 17 | 3 (Low) | 0 (Low) | 16 (Low) | 7 (Low) | 27 (Low) |
| 18 | 3 (Low) | 0 (Low) | 64 (Medium) | 20 (Medium) | 85 (Medium) |
| 19 | 3 (Low) | 0 (Low) | 29 (Low) | 10 (Low) | 55 (Medium) |
| 20 | 2 (Low) | 0 (Low) | 28 (Low) | 14 (Low) | 21 (Low) |
| 21 | 2 (Low) | 0 (Low) | 42 (Medium) | 31 (Medium) | 24 (Low) |
| 22 | 4 (Low) | 0 (Low) | 66 (Medium) | 32 (Medium) | 56 (Medium) |
| 23 | 4 (Low) | 0 (Low) | 60 (Medium) | 33 (Medium) | 59 (Medium) |
| 24 | 1 (Low) | 2 (Low) | 40 (Medium) | 9 (Low) | 152 (Medium) |
| 25 | 0 (Low) | 0 (Low) | 9 (Low) | 2 (Low) | 4 (Low) |
| 26 | 0 (Low) | 0 (Low) | 8 (Low) | 7 (Low) | 16 (Low) |
| 27 | 1 (Low) | 0 (Low) | 19 (Low) | 8 (Low) | 14 (Low) |
| 28 | 3 (Low) | 0 (Low) | 25 (Low) | 28 (Medium) | 38 (Low) |
| 29 | 2 (Low) | 0 (Low) | 38 (Medium) | 11 (Low) | 58 (Medium) |
| 30 | 3 (Low) | 0 (Low) | 30 (Medium) | 5 (Low) | 49 (Low) |
| 31 | 0 (Low) | 0 (Low) | 14 (Low) | 10 (Low) | 2 (Low) |