764 Olive — day 19
488 Olive — day 20
339 Olive — day 21
30 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 4 (Low) | 3 (Low) | 92 (High) | 36 (Medium) | 184 (Medium) |
| 2 | 1 (Low) | 12 (Low) | 22 (Low) | 20 (Medium) | 138 (Medium) |
| 3 | 1 (Low) | 4 (Low) | 75 (Medium) | 25 (Medium) | 107 (Medium) |
| 4 | 1 (Low) | 1 (Low) | 81 (Medium) | 40 (Medium) | 140 (Medium) |
| 5 | 1 (Low) | 2 (Low) | 19 (Low) | 20 (Medium) | 38 (Low) |
| 6 | 2 (Low) | 8 (Low) | 4 (Low) | 5 (Low) | 11 (Low) |
| 7 | 1 (Low) | 1 (Low) | 79 (Medium) | 39 (Medium) | 124 (Medium) |
| 8 | 2 (Low) | 1 (Low) | 21 (Low) | 10 (Low) | 96 (Medium) |
| 9 | 2 (Low) | 2 (Low) | 20 (Low) | 21 (Medium) | 171 (Medium) |
| 10 | 0 (Low) | 1 (Low) | 36 (Medium) | 23 (Medium) | 113 (Medium) |
| 11 | 5 (Low) | 0 (Low) | 18 (Low) | 31 (Medium) | 62 (Medium) |
| 12 | 5 (Low) | 1 (Low) | 31 (Medium) | 26 (Medium) | 30 (Low) |
| 13 | 5 (Low) | 1 (Low) | 55 (Medium) | 37 (Medium) | 37 (Low) |
| 14 | 11 (Low) | 1 (Low) | 32 (Medium) | 38 (Medium) | 15 (Low) |
| 15 | 10 (Low) | 2 (Low) | 47 (Medium) | 46 (Medium) | 117 (Medium) |
| 16 | 17 (Low) | 4 (Low) | 56 (Medium) | 58 (High) | 58 (Medium) |
| 17 | 19 (Low) | 0 (Low) | 79 (Medium) | 81 (High) | 65 (Medium) |
| 18 | 9 (Low) | 4 (Low) | 51 (Medium) | 56 (High) | 102 (Medium) |
| 19 | 4 (Low) | 1 (Low) | 44 (Medium) | 36 (Medium) | 764 (Very high) |
| 20 | 4 (Low) | 2 (Low) | 27 (Low) | 26 (Medium) | 488 (Very high) |
| 21 | 5 (Low) | 3 (Low) | 32 (Medium) | 18 (Low) | 339 (High) |
| 22 | 3 (Low) | 3 (Low) | 13 (Low) | 14 (Low) | 130 (Medium) |
| 23 | 3 (Low) | 5 (Low) | 29 (Low) | 26 (Medium) | 198 (Medium) |
| 24 | 1 (Low) | 0 (Low) | 26 (Low) | 16 (Low) | 156 (Medium) |
| 25 | 4 (Low) | 0 (Low) | 51 (Medium) | 39 (Medium) | 183 (Medium) |
| 26 | 8 (Low) | 0 (Low) | 99 (High) | 33 (Medium) | 134 (Medium) |
| 27 | 5 (Low) | 2 (Low) | 60 (Medium) | 35 (Medium) | 106 (Medium) |
| 28 | 2 (Low) | 1 (Low) | 35 (Medium) | 26 (Medium) | 33 (Low) |
| 29 | 4 (Low) | 0 (Low) | 18 (Low) | 12 (Low) | 92 (Medium) |
| 30 | 2 (Low) | 2 (Low) | 15 (Low) | 12 (Low) | 102 (Medium) |