744 Olive — day 19
442 Olive — day 20
389 Olive — day 21
30 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 1 (Low) | 1 (Low) | 94 (High) | 29 (Medium) | 273 (High) |
| 2 | 0 (Low) | 0 (Low) | 16 (Low) | 5 (Low) | 63 (Medium) |
| 3 | 1 (Low) | 1 (Low) | 23 (Low) | 8 (Low) | 54 (Medium) |
| 4 | 1 (Low) | 0 (Low) | 70 (Medium) | 21 (Medium) | 212 (High) |
| 5 | 3 (Low) | 0 (Low) | 20 (Low) | 10 (Low) | 37 (Low) |
| 6 | 1 (Low) | 1 (Low) | 5 (Low) | 1 (Low) | 15 (Low) |
| 7 | 1 (Low) | 2 (Low) | 43 (Medium) | 13 (Low) | 120 (Medium) |
| 8 | 0 (Low) | 0 (Low) | 29 (Low) | 3 (Low) | 87 (Medium) |
| 9 | 2 (Low) | 0 (Low) | 13 (Low) | 8 (Low) | 154 (Medium) |
| 10 | 1 (Low) | 1 (Low) | 34 (Medium) | 8 (Low) | 79 (Medium) |
| 11 | 1 (Low) | 0 (Low) | 10 (Low) | 12 (Low) | 95 (Medium) |
| 12 | 1 (Low) | 1 (Low) | 26 (Low) | 13 (Low) | 25 (Low) |
| 13 | 5 (Low) | 6 (Low) | 44 (Medium) | 23 (Medium) | 25 (Low) |
| 14 | 19 (Low) | 2 (Low) | 91 (High) | 35 (Medium) | 108 (Medium) |
| 15 | 15 (Low) | 1 (Low) | 42 (Medium) | 16 (Low) | 75 (Medium) |
| 16 | 7 (Low) | 1 (Low) | 57 (Medium) | 39 (Medium) | 106 (Medium) |
| 17 | 3 (Low) | 2 (Low) | 53 (Medium) | 26 (Medium) | 97 (Medium) |
| 18 | 12 (Low) | 1 (Low) | 74 (Medium) | 28 (Medium) | 212 (High) |
| 19 | 4 (Low) | 0 (Low) | 73 (Medium) | 33 (Medium) | 744 (Very high) |
| 20 | 5 (Low) | 2 (Low) | 42 (Medium) | 15 (Low) | 442 (Very high) |
| 21 | 4 (Low) | 1 (Low) | 47 (Medium) | 14 (Low) | 389 (High) |
| 22 | 8 (Low) | 0 (Low) | 36 (Medium) | 11 (Low) | 371 (High) |
| 23 | 8 (Low) | 0 (Low) | 51 (Medium) | 18 (Low) | 253 (High) |
| 24 | 4 (Low) | 0 (Low) | 53 (Medium) | 34 (Medium) | 199 (Medium) |
| 25 | 4 (Low) | 0 (Low) | 50 (Medium) | 25 (Medium) | 152 (Medium) |
| 26 | 6 (Low) | 2 (Low) | 89 (High) | 20 (Medium) | 201 (High) |
| 27 | 2 (Low) | 2 (Low) | 62 (Medium) | 19 (Low) | 101 (Medium) |
| 28 | 2 (Low) | 1 (Low) | 32 (Medium) | 8 (Low) | 95 (Medium) |
| 29 | 4 (Low) | 1 (Low) | 23 (Low) | 6 (Low) | 101 (Medium) |
| 30 | 3 (Low) | 1 (Low) | 16 (Low) | 8 (Low) | 51 (Medium) |