3,232 London Plane — day 19
2,332 London Plane — day 15
1,850 London Plane — day 20
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 | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 1 | 2 |
| 2 | 23 (Low) | 4 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 36 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 28 (Medium) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 9 | 13 |
| 3 | 11 (Low) | 22 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 1 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 14 (Low) | 5 | 2 |
| 4 | 0 (Low) | 36 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 7 | 2 |
| 5 | 2 (Low) | 11 (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) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 3 | 1 |
| 6 | 29 (Low) | 372 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 11 (Low) | 23 (Medium) | 4 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 26 (Medium) | 2 | 6 |
| 7 | 4 (Low) | 389 (Very high) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 2 | 2 |
| 8 | 1 (Low) | 139 (High) | 0 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 1 | 1 |
| 9 | 2 (Low) | 139 (High) | 0 (Low) | 1 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 | 1 |
| 10 | 0 (Low) | 28 (Low) | 0 (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) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 | 0 |
| 11 | 4 (Low) | 369 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 3 (Low) | 3 (Low) | 1 | 0 |
| 12 | 2 (Low) | 211 (High) | 5 (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) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 7 (Low) | 1 | 1 |
| 13 | 1 (Low) | 623 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (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) | 0 (Low) | 0 (Low) | 1 (Low) | 24 (Medium) | 1 | 0 |
| 14 | 2 (Low) | 1,075 (Very high) | 2 (Low) | 1 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 2 | 1 |
| 15 | 2 (Low) | 2,332 (Very high) | 3 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 2 (Low) | 15 (Medium) | 7 | 3 |
| 16 | 15 (Low) | 1,180 (Very high) | 7 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 6 (Low) | 1 | 3 |
| 17 | 3 (Low) | 884 (Very high) | 9 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 3 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 55 (High) | 6 | 9 |
| 18 | 6 (Low) | 1,760 (Very high) | 8 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 16 (Medium) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 42 (Medium) | 3 | 2 |
| 19 | 6 (Low) | 3,232 (Very high) | 2 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 30 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 112 (Very high) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 33 (Medium) | 3 | 8 |
| 20 | 4 (Low) | 1,850 (Very high) | 4 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 91 (High) | 1 (Low) | 70 (High) | 9 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 30 (Medium) | 3 | 2 |
| 21 | 2 (Low) | 700 (Very high) | 5 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 107 (Very high) | 0 (Low) | 24 (Medium) | 8 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 11 (Low) | 0 | 4 |
| 22 | 2 (Low) | 947 (Very high) | 5 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 128 (Very high) | 0 (Low) | 25 (Medium) | 3 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 36 (Medium) | 3 | 2 |
| 23 | 7 (Low) | 1,355 (Very high) | 6 (Low) | 8 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 213 (Very high) | 0 (Low) | 30 (Medium) | 3 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 5 (Low) | 21 (Medium) | 1 | 5 |
| 24 | 21 (Low) | 744 (Very high) | 5 (Low) | 15 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 122 (Very high) | 0 (Low) | 22 (Medium) | 9 (Low) | 4 (Low) | 7 (Low) | 0 (Low) | 2 (Low) | 33 (Medium) | 6 | 2 |
| 25 | 12 (Low) | 987 (Very high) | 5 (Low) | 21 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 149 (Very high) | 0 (Low) | 51 (High) | 3 (Low) | 1 (Low) | 4 (Low) | 1 (Low) | 2 (Low) | 22 (Medium) | 7 | 9 |
| 26 | 10 (Low) | 326 (Very high) | 9 (Low) | 28 (Medium) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 132 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 58 (High) | 1 (Low) | 33 (Medium) | 1 (Low) | 0 (Low) | 24 (Medium) | 8 (Low) | 3 (Low) | 47 (Medium) | 5 | 2 |
| 27 | 6 (Low) | 403 (Very high) | 23 (Low) | 126 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 247 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 20 (Medium) | 2 (Low) | 0 (Low) | 435 (Very high) | 30 (Medium) | 8 (Low) | 31 (Medium) | 15 | 15 |
| 28 | 2 (Low) | 351 (Very high) | 12 (Low) | 84 (High) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 266 (Very high) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 14 (Low) | 2 (Low) | 0 (Low) | 450 (Very high) | 12 (Low) | 6 (Low) | 18 (Medium) | 14 | 2 |
| 29 | 1 (Low) | 283 (High) | 5 (Low) | 46 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 331 (Very high) | 8 (Low) | 2 (Low) | 5 (Low) | 19 | 3 |
| 30 | 0 (Low) | 41 (Medium) | 2 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 1 | 1 |