93 Grasses — day 14
76 Grasses — day 21
75 Grasses — day 15
29 Days measured
| Day | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Amaranth | Oak | Sorrel | Willow | Nettle | Unidentified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2 | 1 (Low) | 0 (Low) | 6 (Low) | 11 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 8 |
| 3 | 3 (Low) | 0 (Low) | 21 (Low) | 10 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 8 (Low) | 10 |
| 4 | 1 (Low) | 0 (Low) | 3 (Low) | 3 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 3 |
| 5 | 1 (Low) | 0 (Low) | 8 (Low) | 9 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 7 (Low) | 0 (Low) | 3 (Low) | 6 |
| 6 | 1 (Low) | 0 (Low) | 29 (Low) | 5 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 14 |
| 7 | 1 (Low) | 0 (Low) | 47 (Medium) | 23 (Medium) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 3 (Low) | 12 (Low) | 0 (Low) | 3 (Low) | 21 |
| 8 | 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) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 |
| 9 | 7 (Low) | 0 (Low) | 23 (Low) | 16 (Low) | 18 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 11 (Low) | 0 (Low) | 4 (Low) | 14 |
| 10 | 1 (Low) | 0 (Low) | 28 (Low) | 26 (Medium) | 6 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 3 (Low) | 6 (Low) | 0 (Low) | 3 (Low) | 21 |
| 11 | 2 (Low) | 0 (Low) | 43 (Medium) | 22 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 13 (Low) | 0 (Low) | 3 (Low) | 12 |
| 12 | 1 (Low) | 0 (Low) | 46 (Medium) | 39 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 3 (Low) | 14 |
| 13 | 1 (Low) | 0 (Low) | 61 (Medium) | 44 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 5 (Low) | 16 |
| 14 | 1 (Low) | 0 (Low) | 93 (High) | 38 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 21 (Medium) | 0 (Low) | 8 (Low) | 22 |
| 15 | 0 (Low) | 0 (Low) | 75 (Medium) | 48 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 36 (Medium) | 0 (Low) | 5 (Low) | 22 |
| 16 | 0 (Low) | 0 (Low) | 73 (Medium) | 50 (High) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 6 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 1 (Low) | 24 (Medium) | 0 (Low) | 6 (Low) | 24 |
| 17 | 4 (Low) | 0 (Low) | 49 (Medium) | 40 (Medium) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 2 (Low) | 20 (Medium) | 0 (Low) | 9 (Low) | 12 |
| 18 | 0 (Low) | 0 (Low) | 32 (Medium) | 17 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 14 |
| 19 | 1 (Low) | 0 (Low) | 55 (Medium) | 34 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 10 (Low) | 0 (Low) | 7 (Low) | 13 |
| 20 | 2 (Low) | 0 (Low) | 67 (Medium) | 31 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 18 (Medium) | 0 (Low) | 10 (Low) | 19 |
| 21 | 1 (Low) | 0 (Low) | 76 (Medium) | 42 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 16 (Medium) | 0 (Low) | 5 (Low) | 12 |
| 22 | 2 (Low) | 0 (Low) | 29 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 4 (Low) | 14 |
| 23 | 0 (Low) | 0 (Low) | 34 (Medium) | 9 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 8 (Low) | 10 |
| 24 | 1 (Low) | 0 (Low) | 43 (Medium) | 12 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 10 |
| 25 | 5 (Low) | 0 (Low) | 24 (Low) | 57 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 3 (Low) | 12 |
| 26 | 2 (Low) | 0 (Low) | 38 (Medium) | 42 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 13 (Low) | 0 (Low) | 5 (Low) | 17 |
| 27 | 0 (Low) | 0 (Low) | 18 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 11 |
| 28 | 0 (Low) | 0 (Low) | 9 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 27 |
| 29 | 0 (Low) | 0 (Low) | 6 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 9 |
| 30 | 0 (Low) | 0 (Low) | 16 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 8 |