9,511 London Plane — day 30
7,993 London Plane — day 21
7,604 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 | 717 (Very high) | 0 (Low) | 2 (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) | 398 (Very high) | 0 (Low) | 102 (Very high) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 15 (Medium) | 0 | 3 |
| 2 | 637 (Very high) | 0 (Low) | 3 (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) | 12 (Low) | 0 (Low) | 93 (High) | 0 (Low) | 70 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 0 | 0 |
| 3 | 1,505 (Very high) | 0 (Low) | 2 (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) | 7 (Low) | 0 (Low) | 186 (Very high) | 0 (Low) | 148 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 0 | 6 |
| 4 | 32 (Medium) | 0 (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) | 2 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 53 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 5 | 24 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 53 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 6 | 666 (Very high) | 0 (Low) | 8 (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) | 4 (Low) | 0 (Low) | 94 (High) | 0 (Low) | 167 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 6 (Low) | 0 | 4 |
| 7 | 1,689 (Very high) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 47 (Medium) | 0 (Low) | 351 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 2 | 11 |
| 8 | 291 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 256 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 3 | 5 |
| 9 | 493 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 245 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 | 3 |
| 10 | 1,151 (Very high) | 0 (Low) | 9 (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) | 5 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 356 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 24 (Medium) | 0 | 6 |
| 11 | 1,357 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 31 (Medium) | 2 (Low) | 759 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 5 (Low) | 32 (Medium) | 2 | 5 |
| 12 | 1,288 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 30 (Medium) | 4 (Low) | 242 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 11 (Low) | 1 | 9 |
| 13 | 199 (High) | 9 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 32 (Medium) | 2 (Low) | 99 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 6 (Low) | 8 (Low) | 4 | 6 |
| 14 | 46 (Medium) | 39 (Medium) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 90 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 11 (Low) | 3 | 6 |
| 15 | 54 (Medium) | 162 (High) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 15 (Medium) | 84 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 8 (Low) | 2 | 1 |
| 16 | 50 (Medium) | 482 (Very high) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 11 (Low) | 69 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 14 (Low) | 3 | 2 |
| 17 | 13 (Low) | 531 (Very high) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 2 (Low) | 22 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 3 | 2 |
| 18 | 22 (Low) | 1,200 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 3 (Low) | 36 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 10 (Low) | 0 | 2 |
| 19 | 22 (Low) | 2,985 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 11 (Low) | 78 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 12 (Low) | 1 | 2 |
| 20 | 23 (Low) | 7,483 (Very high) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 136 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 38 (Medium) | 86 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 9 (Low) | 1 | 8 |
| 21 | 53 (Medium) | 7,993 (Very high) | 25 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 224 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 14 (Low) | 181 (Very high) | 93 (High) | 0 (Low) | 13 (Low) | 2 (Low) | 18 (Medium) | 11 (Low) | 7 | 11 |
| 22 | 63 (Medium) | 2,859 (Very high) | 10 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 89 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 3 (Low) | 184 (Very high) | 36 (Medium) | 0 (Low) | 20 (Medium) | 1 (Low) | 4 (Low) | 6 (Low) | 1 | 9 |
| 23 | 10 (Low) | 326 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 4 (Low) | 15 (Medium) | 8 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 | 0 |
| 24 | 6 (Low) | 1,276 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 43 (Medium) | 6 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 1 |
| 25 | 12 (Low) | 1,905 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 161 (Very high) | 7 (Low) | 0 (Low) | 23 (Medium) | 1 (Low) | 2 (Low) | 6 (Low) | 2 | 5 |
| 26 | 6 (Low) | 4,086 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 51 (High) | 15 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 3 | 0 |
| 27 | 13 (Low) | 1,989 (Very high) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 30 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 161 (Very high) | 6 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 3 | 6 |
| 28 | 1 (Low) | 3,546 (Very high) | 5 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 132 (Very high) | 2 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 4 (Low) | 11 (Low) | 1 | 4 |
| 29 | 1 (Low) | 7,604 (Very high) | 16 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 88 (High) | 0 (Low) | 117 (Very high) | 5 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 4 (Low) | 13 (Low) | 3 | 11 |
| 30 | 9 (Low) | 9,511 (Very high) | 21 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 167 (Very high) | 2 (Low) | 356 (Very high) | 17 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 5 (Low) | 27 (Medium) | 2 | 8 |
| 31 | 24 (Low) | 5,839 (Very high) | 35 (Medium) | 6 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 27 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 143 (Very high) | 4 (Low) | 410 (Very high) | 8 (Low) | 0 (Low) | 209 (Very high) | 9 (Low) | 5 (Low) | 26 (Medium) | 22 | 12 |