27 Grasses — day 7
19 Oak — day 3
18 Grasses — day 9
27 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Amaranth | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 (Low) | 0 (Low) | 17 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 8 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 9 |
| 2 | 2 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 11 (Low) | 17 (Medium) | 1 (Low) | 0 (Low) | 3 (Low) | 2 | 4 |
| 3 | 0 (Low) | 0 (Low) | 8 (Low) | 3 (Low) | 17 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 19 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 2 | 3 |
| 4 | 0 (Low) | 0 (Low) | 9 (Low) | 3 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 | 3 |
| 5 | 0 (Low) | 0 (Low) | 12 (Low) | 5 (Low) | 15 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 6 | 0 (Low) | 0 (Low) | 14 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 4 |
| 7 | 0 (Low) | 0 (Low) | 27 (Low) | 3 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 6 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 | 7 |
| 8 | 0 (Low) | 0 (Low) | 12 (Low) | 2 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 8 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 | 3 |
| 9 | 0 (Low) | 0 (Low) | 18 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 17 (Medium) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 5 |
| 10 | 0 (Low) | 0 (Low) | 18 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 5 |
| 11 | 0 (Low) | 0 (Low) | 13 (Low) | 4 (Low) | 5 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 14 (Low) | 10 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 | 9 |
| 12 | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 8 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 13 | 0 (Low) | 0 (Low) | 16 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 13 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 6 |
| 14 | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 12 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 3 |
| 15 | 0 (Low) | 0 (Low) | 3 (Low) | 3 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 | 3 |
| 16 | 1 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 10 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 2 | 9 |
| 17 | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 | 7 |
| 18 | 0 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 18 (Medium) | 11 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 | 4 |
| 19 | 0 (Low) | 0 (Low) | 10 (Low) | 5 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 | 2 |
| 20 | 0 (Low) | 0 (Low) | 14 (Low) | 4 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 17 (Medium) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 8 |
| 21 | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 2 |
| 22 | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 3 | 10 |
| 23 | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 9 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 3 |
| 24 | 0 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 9 |
| 25 | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 | 3 |
| 26 | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 3 |
| 27 | 1 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 17 (Medium) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 1 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |