312 Grasses — day 1
308 Olive — day 2
302 Olive — day 4
30 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| 1 | 0 (Low) | 0 (Low) | 312 (Very high) | 56 (High) | 68 (Medium) |
| 2 | 0 (Low) | 0 (Low) | 230 (Very high) | 20 (Medium) | 308 (High) |
| 3 | 0 (Low) | 0 (Low) | 194 (Very high) | 16 (Low) | 267 (High) |
| 4 | 0 (Low) | 0 (Low) | 208 (Very high) | 19 (Low) | 302 (High) |
| 5 | 1 (Low) | 0 (Low) | 15 (Low) | 7 (Low) | 29 (Low) |
| 6 | 1 (Low) | 0 (Low) | 217 (Very high) | 28 (Medium) | 34 (Low) |
| 7 | 4 (Low) | 0 (Low) | 78 (Medium) | 7 (Low) | 23 (Low) |
| 8 | 13 (Low) | 0 (Low) | 38 (Medium) | 4 (Low) | 31 (Low) |
| 9 | 0 (Low) | 0 (Low) | 300 (Very high) | 12 (Low) | 152 (Medium) |
| 10 | 4 (Low) | 0 (Low) | 115 (High) | 8 (Low) | 17 (Low) |
| 11 | 0 (Low) | 0 (Low) | 52 (Medium) | 4 (Low) | 7 (Low) |
| 12 | 1 (Low) | 0 (Low) | 79 (Medium) | 0 (Low) | 5 (Low) |
| 13 | 0 (Low) | 0 (Low) | 57 (Medium) | 2 (Low) | 19 (Low) |
| 14 | 2 (Low) | 0 (Low) | 58 (Medium) | 6 (Low) | 23 (Low) |
| 15 | 0 (Low) | 0 (Low) | 33 (Medium) | 11 (Low) | 26 (Low) |
| 16 | 2 (Low) | 0 (Low) | 35 (Medium) | 5 (Low) | 23 (Low) |
| 17 | 2 (Low) | 0 (Low) | 19 (Low) | 1 (Low) | 22 (Low) |
| 18 | 2 (Low) | 0 (Low) | 14 (Low) | 5 (Low) | 14 (Low) |
| 19 | 1 (Low) | 0 (Low) | 16 (Low) | 3 (Low) | 13 (Low) |
| 20 | 1 (Low) | 0 (Low) | 30 (Medium) | 5 (Low) | 9 (Low) |
| 21 | 0 (Low) | 0 (Low) | 37 (Medium) | 4 (Low) | 6 (Low) |
| 22 | 0 (Low) | 0 (Low) | 96 (High) | 7 (Low) | 6 (Low) |
| 23 | 0 (Low) | 0 (Low) | 105 (High) | 4 (Low) | 6 (Low) |
| 24 | 2 (Low) | 0 (Low) | 66 (Medium) | 8 (Low) | 5 (Low) |
| 25 | 1 (Low) | 0 (Low) | 63 (Medium) | 6 (Low) | 8 (Low) |
| 26 | 0 (Low) | 0 (Low) | 10 (Low) | 2 (Low) | 1 (Low) |
| 27 | 0 (Low) | 0 (Low) | 46 (Medium) | 2 (Low) | 1 (Low) |
| 28 | 0 (Low) | 0 (Low) | 49 (Medium) | 4 (Low) | 2 (Low) |
| 29 | 0 (Low) | 0 (Low) | 23 (Low) | 1 (Low) | 0 (Low) |
| 30 | 0 (Low) | 0 (Low) | 48 (Medium) | 3 (Low) | 1 (Low) |