2,317 London Plane — day 1
1,636 London Plane — day 8
1,605 London Plane — day 7
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 | 2 (Low) | 2,317 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 78 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 83 (High) | 57 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 50 (High) | 6 | 13 |
| 2 | 0 (Low) | 1,102 (Very high) | 4 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 88 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 85 (High) | 18 (Medium) | 0 (Low) | 5 (Low) | 9 (Low) | 1 (Low) | 21 (Medium) | 8 | 10 |
| 3 | 2 (Low) | 37 (Medium) | 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) | 0 (Low) | 4 (Low) | 0 (Low) | 5 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 1 |
| 4 | 3 (Low) | 226 (High) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 54 (High) | 1 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 | 9 |
| 5 | 0 (Low) | 710 (Very high) | 5 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 49 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 10 (Low) | 7 (Low) | 1 (Low) | 44 (Medium) | 4 (Low) | 0 (Low) | 1 (Low) | 10 | 9 |
| 6 | 1 (Low) | 607 (Very high) | 19 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 99 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 53 (High) | 1 (Low) | 20 (Medium) | 4 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 21 (Medium) | 19 | 12 |
| 7 | 2 (Low) | 1,605 (Very high) | 7 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 87 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 172 (Very high) | 0 (Low) | 24 (Medium) | 21 (Medium) | 0 (Low) | 15 (Medium) | 5 (Low) | 0 (Low) | 2 (Low) | 14 | 15 |
| 8 | 5 (Low) | 1,636 (Very high) | 3 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 195 (Very high) | 1 (Low) | 73 (High) | 18 (Medium) | 1 (Low) | 7 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 15 | 15 |
| 9 | 5 (Low) | 1,252 (Very high) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 438 (Very high) | 0 (Low) | 37 (Medium) | 15 (Medium) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 11 | 8 |
| 10 | 11 (Low) | 875 (Very high) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 201 (Very high) | 0 (Low) | 118 (Very high) | 5 (Low) | 7 (Low) | 3 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 5 | 12 |
| 11 | 1 (Low) | 349 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 213 (Very high) | 0 (Low) | 20 (Medium) | 0 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 2 | 15 |
| 12 | 2 (Low) | 153 (High) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 113 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 | 5 |
| 13 | 1 (Low) | 176 (High) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 76 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 7 (Low) | 0 (Low) | 9 (Low) | 1 | 4 |
| 14 | 0 (Low) | 148 (High) | 13 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 297 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 77 (High) | 0 (Low) | 36 (Medium) | 0 (Low) | 2 (Low) | 127 (Very high) | 21 (Medium) | 0 (Low) | 8 (Low) | 13 | 18 |
| 15 | 0 (Low) | 366 (Very high) | 1 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 32 (Medium) | 0 (Low) | 0 (Low) | 42 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 13 |
| 16 | 0 (Low) | 27 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 90 (High) | 2 (Low) | 0 (Low) | 3 (Low) | 2 | 5 |
| 17 | 0 (Low) | 47 (Medium) | 19 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 60 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 142 (Very high) | 5 (Low) | 0 (Low) | 4 (Low) | 6 | 11 |
| 18 | 0 (Low) | 41 (Medium) | 7 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 200 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 178 (Very high) | 8 (Low) | 0 (Low) | 2 (Low) | 4 | 9 |
| 19 | 2 (Low) | 22 (Low) | 4 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 47 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 116 (Very high) | 6 (Low) | 1 (Low) | 0 (Low) | 3 | 12 |
| 20 | 0 (Low) | 39 (Medium) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 68 (High) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 54 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 99 (High) | 6 (Low) | 0 (Low) | 1 (Low) | 10 | 12 |
| 21 | 1 (Low) | 37 (Medium) | 6 (Low) | 11 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 56 (High) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 10 (Low) | 0 (Low) | 2 (Low) | 5 | 12 |
| 22 | 0 (Low) | 59 (Medium) | 3 (Low) | 23 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 317 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 5 (Low) | 0 (Low) | 6 (Low) | 5 | 11 |
| 23 | 24 (Low) | 21 (Low) | 12 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 382 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 4 (Low) | 3 (Low) | 2 (Low) | 6 | 9 |
| 24 | 3 (Low) | 33 (Medium) | 14 (Low) | 5 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 47 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 824 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 22 (Medium) | 9 (Low) | 0 (Low) | 3 (Low) | 4 | 13 |
| 25 | 10 (Low) | 45 (Medium) | 26 (Low) | 69 (High) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 708 (Very high) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 534 (Very high) | 0 (Low) | 46 (Medium) | 0 (Low) | 1 (Low) | 497 (Very high) | 17 (Medium) | 1 (Low) | 2 (Low) | 8 | 15 |
| 26 | 19 (Low) | 29 (Low) | 14 (Low) | 26 (Medium) | 0 (Low) | 48 (Medium) | 0 (Low) | 0 (Low) | 125 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 183 (Very high) | 0 (Low) | 69 (High) | 0 (Low) | 0 (Low) | 191 (Very high) | 11 (Low) | 5 (Low) | 0 (Low) | 7 | 20 |
| 27 | 17 (Low) | 26 (Low) | 8 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 54 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 156 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 1 (Low) | 2 (Low) | 0 (Low) | 4 | 13 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 0 (Low) | 17 (Low) | 9 (Low) | 11 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 53 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 3 (Low) | 27 (Medium) | 1 (Low) | 2 (Low) | 0 (Low) | 8 | 11 |
| 30 | 1 (Low) | 15 (Low) | 14 (Low) | 12 (Low) | 37 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 97 (High) | 2 (Low) | 0 (Low) | 0 (Low) | 6 | 14 |