4,165 London Plane — day 1
2,744 London Plane — day 2
2,105 London Plane — day 8
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 | 6 (Low) | 4,165 (Very high) | 10 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 42 (Medium) | 2 (Low) | 62 (High) | 82 (High) | 0 (Low) | 12 (Low) | 1 (Low) | 2 (Low) | 49 (Medium) | 24 | 2 |
| 2 | 8 (Low) | 2,744 (Very high) | 6 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 38 (Medium) | 2 (Low) | 24 (Medium) | 33 (Medium) | 1 (Low) | 24 (Medium) | 1 (Low) | 7 (Low) | 56 (High) | 12 | 2 |
| 3 | 5 (Low) | 455 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 7 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 1 | 2 |
| 4 | 1 (Low) | 1,022 (Very high) | 3 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 1 (Low) | 43 (Medium) | 11 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 22 (Medium) | 10 | 1 |
| 5 | 1 (Low) | 615 (Very high) | 7 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 9 (Low) | 11 (Low) | 0 (Low) | 51 (High) | 4 (Low) | 0 (Low) | 20 (Medium) | 10 | 0 |
| 6 | 2 (Low) | 1,345 (Very high) | 13 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 19 (Medium) | 17 (Medium) | 0 (Low) | 18 (Medium) | 3 (Low) | 4 (Low) | 24 (Medium) | 15 | 1 |
| 7 | 3 (Low) | 893 (Very high) | 5 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 4 (Low) | 20 (Medium) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 15 (Medium) | 12 | 1 |
| 8 | 6 (Low) | 2,105 (Very high) | 19 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 76 (High) | 0 (Low) | 137 (Very high) | 16 (Medium) | 0 (Low) | 3 (Low) | 3 (Low) | 1 (Low) | 74 (High) | 5 | 1 |
| 9 | 5 (Low) | 1,429 (Very high) | 13 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 59 (High) | 0 (Low) | 77 (High) | 12 (Low) | 2 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 56 (High) | 8 | 0 |
| 10 | 7 (Low) | 1,848 (Very high) | 14 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 73 (High) | 0 (Low) | 121 (Very high) | 0 (Low) | 3 (Low) | 6 (Low) | 1 (Low) | 3 (Low) | 42 (Medium) | 10 | 1 |
| 11 | 8 (Low) | 865 (Very high) | 7 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 40 (Medium) | 0 (Low) | 27 (Medium) | 5 (Low) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 10 (Low) | 6 | 0 |
| 12 | 2 (Low) | 212 (High) | 2 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 50 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 31 (Medium) | 2 (Low) | 1 (Low) | 12 (Low) | 7 | 0 |
| 13 | 0 (Low) | 174 (High) | 5 (Low) | 3 (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) | 56 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 | 0 |
| 14 | 2 (Low) | 387 (Very high) | 19 (Low) | 9 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 57 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 73 (High) | 0 (Low) | 29 (Medium) | 2 (Low) | 0 (Low) | 500 (Very high) | 12 (Low) | 17 (Medium) | 26 (Medium) | 12 | 4 |
| 15 | 4 (Low) | 174 (High) | 5 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 3 (Low) | 12 (Low) | 5 | 0 |
| 16 | 1 (Low) | 138 (High) | 2 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 30 (Medium) | 1 (Low) | 1 (Low) | 12 (Low) | 1 | 0 |
| 17 | 1 (Low) | 107 (High) | 15 (Low) | 9 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 294 (Very high) | 9 (Low) | 1 (Low) | 22 (Medium) | 6 | 0 |
| 18 | 2 (Low) | 80 (Medium) | 5 (Low) | 15 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 116 (Very high) | 4 (Low) | 1 (Low) | 10 (Low) | 4 | 0 |
| 19 | 0 (Low) | 72 (Medium) | 6 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 140 (Very high) | 3 (Low) | 1 (Low) | 1 (Low) | 1 | 0 |
| 20 | 0 (Low) | 60 (Medium) | 6 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 67 (High) | 1 (Low) | 0 (Low) | 7 (Low) | 3 | 0 |
| 21 | 2 (Low) | 81 (Medium) | 13 (Low) | 12 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 239 (Very high) | 10 (Low) | 1 (Low) | 26 (Medium) | 2 | 0 |
| 22 | 3 (Low) | 89 (Medium) | 5 (Low) | 10 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 52 (High) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 42 (Medium) | 1 (Low) | 1 (Low) | 10 (Low) | 5 | 0 |
| 23 | 21 (Low) | 60 (Medium) | 14 (Low) | 18 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 63 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 56 (High) | 1 (Low) | 2 (Low) | 29 (Medium) | 4 | 0 |
| 24 | 4 (Low) | 75 (Medium) | 8 (Low) | 11 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 66 (High) | 3 (Low) | 2 (Low) | 54 (High) | 3 | 0 |
| 25 | 1 (Low) | 49 (Medium) | 15 (Low) | 29 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 45 (Medium) | 0 (Low) | 1 (Low) | 333 (Very high) | 5 (Low) | 1 (Low) | 16 (Medium) | 12 | 1 |
| 26 | 3 (Low) | 54 (Medium) | 9 (Low) | 27 (Medium) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 69 (High) | 0 (Low) | 0 (Low) | 176 (Very high) | 3 (Low) | 5 (Low) | 19 (Medium) | 9 | 0 |
| 27 | 16 (Low) | 28 (Low) | 10 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 126 (Very high) | 2 (Low) | 2 (Low) | 31 (Medium) | 3 | 0 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 5 (Low) | 60 (Medium) | 16 (Low) | 6 (Low) | 13 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 105 (Very high) | 1 (Low) | 0 (Low) | 12 (Low) | 2 | 0 |
| 30 | 4 (Low) | 33 (Medium) | 15 (Low) | 5 (Low) | 17 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 15 (Medium) | 0 (Low) | 4 (Low) | 137 (Very high) | 1 (Low) | 0 (Low) | 14 (Low) | 7 | 0 |