4,513 London Plane — day 1
4,131 London Plane — day 4
2,089 London Plane — day 3
30 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 | 45 (Medium) | 4,513 (Very high) | 6 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 81 (High) | 0 (Low) | 32 (Medium) | 57 (High) | 0 (Low) | 9 (Low) | 0 (Low) | 9 (Low) | 4 (Low) | 1 | 8 |
| 2 | 13 (Low) | 1,603 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 84 (High) | 0 (Low) | 26 (Medium) | 25 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 11 (Low) | 1 | 3 |
| 3 | 8 (Low) | 2,089 (Very high) | 4 (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) | 1 (Low) | 167 (Very high) | 1 (Low) | 23 (Medium) | 52 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 10 (Low) | 2 | 1 |
| 4 | 15 (Low) | 4,131 (Very high) | 2 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 183 (Very high) | 0 (Low) | 113 (Very high) | 69 (High) | 0 (Low) | 11 (Low) | 0 (Low) | 9 (Low) | 5 (Low) | 14 | 8 |
| 5 | 15 (Low) | 499 (Very high) | 6 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 73 (High) | 0 (Low) | 17 (Medium) | 14 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 5 (Low) | 8 (Low) | 1 | 5 |
| 6 | 9 (Low) | 1,160 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 91 (High) | 0 (Low) | 93 (High) | 27 (Medium) | 2 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 6 | 16 |
| 7 | 19 (Low) | 934 (Very high) | 8 (Low) | 1 (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) | 76 (High) | 1 (Low) | 83 (High) | 16 (Medium) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 10 (Low) | 10 | 15 |
| 8 | 5 (Low) | 326 (Very high) | 2 (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) | 2 (Low) | 45 (Medium) | 0 (Low) | 12 (Low) | 4 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) | 18 (Medium) | 3 | 4 |
| 9 | 4 (Low) | 501 (Very high) | 2 (Low) | 6 (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) | 32 (Medium) | 1 (Low) | 10 (Low) | 4 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 6 | 5 |
| 10 | 2 (Low) | 150 (High) | 1 (Low) | 1 (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) | 30 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 4 | 2 |
| 11 | 6 (Low) | 564 (Very high) | 1 (Low) | 16 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 40 (Medium) | 1 (Low) | 21 (Medium) | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 8 | 4 |
| 12 | 2 (Low) | 461 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 78 (High) | 0 (Low) | 27 (Medium) | 2 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 79 (High) | 8 | 5 |
| 13 | 10 (Low) | 473 (Very high) | 6 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 77 (High) | 0 (Low) | 41 (Medium) | 1 (Low) | 1 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 93 (High) | 13 | 7 |
| 14 | 8 (Low) | 340 (Very high) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 53 (High) | 1 (Low) | 21 (Medium) | 0 (Low) | 3 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 55 (High) | 16 | 3 |
| 15 | 2 (Low) | 263 (High) | 2 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 32 (Medium) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 70 (High) | 1 | 3 |
| 16 | 0 (Low) | 117 (High) | 2 (Low) | 15 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 85 (High) | 2 (Low) | 0 (Low) | 8 (Low) | 4 | 3 |
| 17 | 0 (Low) | 171 (High) | 4 (Low) | 24 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 63 (High) | 6 (Low) | 2 (Low) | 15 (Medium) | 3 | 5 |
| 18 | 2 (Low) | 261 (High) | 8 (Low) | 67 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 31 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 548 (Very high) | 13 (Low) | 0 (Low) | 28 (Medium) | 6 | 18 |
| 19 | 1 (Low) | 55 (Medium) | 3 (Low) | 16 (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) | 2 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 89 (High) | 3 (Low) | 0 (Low) | 6 (Low) | 2 | 0 |
| 20 | 4 (Low) | 65 (Medium) | 10 (Low) | 19 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 15 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 42 (Medium) | 1 (Low) | 0 (Low) | 29 (Medium) | 1 | 3 |
| 21 | 0 (Low) | 90 (Medium) | 11 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 21 (Medium) | 0 (Low) | 2 (Low) | 41 (Medium) | 1 (Low) | 2 (Low) | 31 (Medium) | 16 | 1 |
| 22 | 3 (Low) | 86 (Medium) | 7 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 4 (Low) | 147 (Very high) | 2 (Low) | 0 (Low) | 17 (Medium) | 11 | 10 |
| 23 | 2 (Low) | 42 (Medium) | 16 (Low) | 82 (High) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 300 (Very high) | 8 (Low) | 0 (Low) | 9 (Low) | 7 | 10 |
| 24 | 3 (Low) | 27 (Low) | 24 (Low) | 146 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 60 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 1,130 (Very high) | 19 (Medium) | 0 (Low) | 39 (Medium) | 14 | 6 |
| 25 | 0 (Low) | 56 (Medium) | 11 (Low) | 108 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 577 (Very high) | 10 (Low) | 0 (Low) | 12 (Low) | 5 | 7 |
| 26 | 0 (Low) | 28 (Low) | 1 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 19 (Medium) | 2 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 27 | 0 (Low) | 30 (Medium) | 2 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 130 (Very high) | 5 (Low) | 1 (Low) | 2 (Low) | 3 | 2 |
| 28 | 1 (Low) | 6 (Low) | 8 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 88 (High) | 5 (Low) | 2 (Low) | 2 (Low) | 4 | 5 |
| 29 | 2 (Low) | 12 (Low) | 46 (Medium) | 177 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 56 (High) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 936 (Very high) | 34 (Medium) | 0 (Low) | 3 (Low) | 7 | 11 |
| 30 | 1 (Low) | 9 (Low) | 15 (Low) | 63 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 251 (Very high) | 13 (Low) | 1 (Low) | 5 (Low) | 12 | 6 |