5,479 London Plane — day 1
3,857 London Plane — day 8
3,778 London Plane — day 10
29 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 | 4 (Low) | 5,479 (Very high) | 10 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 36 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 75 (High) | 1 (Low) | 36 (Medium) | 55 (High) | 0 (Low) | 41 (Medium) | 5 (Low) | 8 (Low) | 67 (High) | 7 | 4 |
| 2 | 9 (Low) | 3,435 (Very high) | 11 (Low) | 10 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 45 (Medium) | 0 (Low) | 3 (Low) | 24 (Medium) | 0 (Low) | 23 (Medium) | 9 (Low) | 1 (Low) | 46 (Medium) | 3 | 4 |
| 3 | 3 (Low) | 701 (Very high) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 0 (Low) | 5 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 | 3 |
| 4 | 0 (Low) | 1,984 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 45 (Medium) | 0 (Low) | 49 (Medium) | 1 (Low) | 0 (Low) | 10 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 2 | 2 |
| 5 | 0 (Low) | 1,309 (Very high) | 3 (Low) | 3 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 9 (Low) | 5 (Low) | 0 (Low) | 27 (Medium) | 3 (Low) | 1 (Low) | 11 (Low) | 1 | 2 |
| 6 | 0 (Low) | 2,031 (Very high) | 3 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 35 (Medium) | 0 (Low) | 3 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 1 (Low) | 5 (Low) | 0 | 3 |
| 7 | 3 (Low) | 2,538 (Very high) | 4 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 208 (Very high) | 0 (Low) | 12 (Low) | 30 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 14 (Low) | 2 | 3 |
| 8 | 1 (Low) | 3,857 (Very high) | 4 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 245 (Very high) | 0 (Low) | 66 (High) | 23 (Medium) | 0 (Low) | 1 (Low) | 6 (Low) | 8 (Low) | 9 (Low) | 1 | 9 |
| 9 | 8 (Low) | 2,633 (Very high) | 9 (Low) | 1 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 253 (Very high) | 0 (Low) | 73 (High) | 21 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 3 | 10 |
| 10 | 9 (Low) | 3,778 (Very high) | 3 (Low) | 10 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 73 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 322 (Very high) | 0 (Low) | 83 (High) | 6 (Low) | 2 (Low) | 15 (Medium) | 6 (Low) | 6 (Low) | 5 (Low) | 3 | 8 |
| 11 | 2 (Low) | 1,317 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 179 (Very high) | 0 (Low) | 23 (Medium) | 9 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 | 2 |
| 12 | 3 (Low) | 878 (Very high) | 2 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 144 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 2 (Low) | 0 (Low) | 11 (Low) | 2 | 3 |
| 13 | 0 (Low) | 1,037 (Very high) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 117 (Very high) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 14 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 | 0 |
| 14 | 0 (Low) | 543 (Very high) | 10 (Low) | 33 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 66 (High) | 0 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 429 (Very high) | 15 (Medium) | 5 (Low) | 12 (Low) | 3 | 6 |
| 15 | 1 (Low) | 267 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 2 | 1 |
| 16 | 0 (Low) | 174 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 30 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 1 | 0 |
| 17 | 2 (Low) | 186 (High) | 16 (Low) | 14 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 154 (Very high) | 10 (Low) | 1 (Low) | 4 (Low) | 16 | 3 |
| 18 | 0 (Low) | 259 (High) | 11 (Low) | 10 (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) | 63 (High) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 69 (High) | 9 (Low) | 1 (Low) | 3 (Low) | 5 | 8 |
| 19 | 0 (Low) | 107 (High) | 5 (Low) | 4 (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) | 25 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 299 (Very high) | 5 (Low) | 1 (Low) | 9 (Low) | 13 | 4 |
| 20 | 0 (Low) | 84 (Medium) | 3 (Low) | 12 (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) | 24 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 111 (Very high) | 4 (Low) | 0 (Low) | 2 (Low) | 0 | 4 |
| 21 | 2 (Low) | 97 (Medium) | 5 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 92 (High) | 6 (Low) | 0 (Low) | 2 (Low) | 5 | 4 |
| 22 | 3 (Low) | 226 (High) | 4 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 55 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 1 (Low) | 1 (Low) | 4 (Low) | 0 | 1 |
| 23 | 16 (Low) | 119 (High) | 9 (Low) | 16 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 79 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 63 (High) | 4 (Low) | 0 (Low) | 35 (Medium) | 13 | 4 |
| 24 | 3 (Low) | 126 (High) | 6 (Low) | 17 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 139 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 5 (Low) | 3 (Low) | 64 (High) | 5 | 3 |
| 25 | 2 (Low) | 275 (High) | 17 (Low) | 44 (Medium) | 1 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 129 (Very high) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 681 (Very high) | 27 (Medium) | 0 (Low) | 105 (Very high) | 7 | 13 |
| 26 | 12 (Low) | 173 (High) | 30 (Medium) | 32 (Medium) | 1 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 77 (High) | 0 (Low) | 117 (Very high) | 0 (Low) | 0 (Low) | 252 (Very high) | 5 (Low) | 5 (Low) | 13 (Low) | 3 | 8 |
| 27 | 16 (Low) | 87 (Medium) | 9 (Low) | 14 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 66 (High) | 0 (Low) | 1 (Low) | 4 (Low) | 6 | 2 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 1 (Low) | 148 (High) | 14 (Low) | 10 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 4 (Low) | 90 (High) | 0 (Low) | 0 (Low) | 18 (Medium) | 9 | 4 |
| 30 | 2 (Low) | 110 (High) | 12 (Low) | 9 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 8 (Low) | 81 (High) | 2 (Low) | 1 (Low) | 17 (Medium) | 1 | 4 |