4,489 Cypress/Yew — day 1
3,623 London Plane — day 28
2,848 London Plane — day 29
31 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 | 4,489 (Very high) | 0 (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) | 8 (Low) | 0 (Low) | 163 (Very high) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 0 |
| 2 | 1,467 (Very high) | 0 (Low) | 4 (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) | 25 (Medium) | 0 (Low) | 378 (Very high) | 0 (Low) | 35 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 | 0 |
| 3 | 2,523 (Very high) | 0 (Low) | 13 (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) | 23 (Medium) | 0 (Low) | 85 (High) | 0 (Low) | 28 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 0 | 0 |
| 4 | 86 (Medium) | 0 (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) | 32 (Medium) | 0 (Low) | 101 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 0 | 1 |
| 5 | 77 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 40 (Medium) | 0 (Low) | 19 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 6 | 686 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 56 (High) | 0 (Low) | 43 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 3 | 4 |
| 7 | 663 (Very high) | 0 (Low) | 5 (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) | 0 (Low) | 80 (High) | 1 (Low) | 175 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 8 | 344 (Very high) | 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) | 16 (Medium) | 0 (Low) | 37 (Medium) | 0 (Low) | 257 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 9 | 652 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 51 (High) | 0 (Low) | 461 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 | 4 |
| 10 | 542 (Very high) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 65 (High) | 0 (Low) | 457 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 1 | 2 |
| 11 | 347 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 40 (Medium) | 1 (Low) | 701 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 0 | 3 |
| 12 | 168 (High) | 1 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 39 (Medium) | 1 (Low) | 178 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 4 (Low) | 1 | 4 |
| 13 | 96 (High) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 11 (Low) | 1 (Low) | 71 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 1 | 1 |
| 14 | 131 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 25 (Medium) | 1 (Low) | 119 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 | 1 |
| 15 | 171 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 80 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 2 | 1 |
| 16 | 359 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 71 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 2 | 2 |
| 17 | 402 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 205 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 5 (Low) | 29 (Medium) | 3 | 1 |
| 18 | 216 (Very high) | 14 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 170 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 26 (Medium) | 0 | 8 |
| 19 | 250 (Very high) | 18 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 6 (Low) | 2 (Low) | 119 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 1 | 4 |
| 20 | 275 (Very high) | 94 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 51 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 2 (Low) | 7 (Low) | 1 (Low) | 130 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 4 (Low) | 7 (Low) | 0 | 6 |
| 21 | 649 (Very high) | 112 (High) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 116 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 15 (Medium) | 53 (High) | 0 (Low) | 128 (Very high) | 0 (Low) | 56 (High) | 0 (Low) | 5 (Low) | 12 (Low) | 3 | 16 |
| 22 | 309 (Very high) | 150 (High) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 14 (Low) | 8 (Low) | 70 (High) | 0 (Low) | 44 (Medium) | 0 (Low) | 11 (Low) | 14 (Low) | 5 | 19 |
| 23 | 32 (Medium) | 239 (High) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 11 (Low) | 18 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 24 | 69 (Medium) | 435 (Very high) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 11 (Low) | 6 (Low) | 25 (Medium) | 0 (Low) | 11 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 4 | 11 |
| 25 | 209 (Very high) | 332 (Very high) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 47 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 14 (Low) | 34 (Medium) | 0 (Low) | 11 (Low) | 0 (Low) | 7 (Low) | 8 (Low) | 1 | 8 |
| 26 | 28 (Low) | 397 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 9 (Low) | 15 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 2 | 2 |
| 27 | 8 (Low) | 518 (Very high) | 6 (Low) | 1 (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) | 25 (Medium) | 6 (Low) | 4 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 2 | 2 |
| 28 | 73 (Medium) | 3,623 (Very high) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 13 (Low) | 2 (Low) | 30 (Medium) | 24 (Medium) | 0 (Low) | 12 (Low) | 0 (Low) | 2 (Low) | 6 (Low) | 0 | 2 |
| 29 | 22 (Low) | 2,848 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 19 (Medium) | 6 (Low) | 6 (Low) | 31 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 2 | 3 |
| 30 | 10 (Low) | 1,231 (Very high) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 2 (Low) | 94 (High) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 1 | 0 |
| 31 | 2 (Low) | 2,555 (Very high) | 7 (Low) | 0 (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) | 47 (Medium) | 1 (Low) | 41 (Medium) | 7 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 1 | 3 |