2,638 London Plane — day 16
1,693 London Plane — day 17
1,260 London Plane — day 15
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 | 744 (Very high) | 1 (Low) | 6 (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) | 29 (Medium) | 0 (Low) | 61 (High) | 3 (Low) | 51 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 | 0 |
| 2 | 238 (Very high) | 0 (Low) | 5 (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) | 15 (Medium) | 0 (Low) | 24 (Medium) | 0 (Low) | 31 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 3 | 244 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 18 (Medium) | 0 (Low) | 31 (Medium) | 0 (Low) | 3 (Low) | 3 (Low) | 0 (Low) | 14 (Low) | 0 | 0 |
| 4 | 194 (High) | 0 (Low) | 12 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 49 (Medium) | 1 (Low) | 37 (Medium) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 9 (Low) | 0 | 0 |
| 5 | 63 (Medium) | 1 (Low) | 1 (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) | 5 (Low) | 0 (Low) | 10 (Low) | 1 (Low) | 25 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 6 | 190 (High) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 46 (Medium) | 1 (Low) | 12 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 7 | 9 (Low) | 2 (Low) | 2 (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) | 5 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 | 0 |
| 8 | 8 (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) | 4 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 15 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 0 |
| 9 | 43 (Medium) | 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) | 0 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 55 (High) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 10 | 171 (High) | 82 (Medium) | 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) | 6 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 91 (High) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 14 (Low) | 0 | 0 |
| 11 | 73 (Medium) | 59 (Medium) | 7 (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) | 1 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 5 (Low) | 0 | 0 |
| 12 | 61 (Medium) | 427 (Very high) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 7 (Low) | 2 (Low) | 7 (Low) | 2 (Low) | 66 (High) | 0 (Low) | 23 (Medium) | 3 (Low) | 0 (Low) | 10 (Low) | 0 | 0 |
| 13 | 74 (Medium) | 191 (High) | 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) | 0 (Low) | 1 (Low) | 3 (Low) | 5 (Low) | 40 (Medium) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 0 |
| 14 | 11 (Low) | 476 (Very high) | 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) | 1 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 57 (High) | 0 (Low) | 5 (Low) | 8 (Low) | 1 (Low) | 3 (Low) | 0 | 0 |
| 15 | 14 (Low) | 1,260 (Very high) | 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) | 1 (Low) | 7 (Low) | 2 (Low) | 4 (Low) | 70 (High) | 0 (Low) | 10 (Low) | 2 (Low) | 0 (Low) | 11 (Low) | 0 | 0 |
| 16 | 8 (Low) | 2,638 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 4 (Low) | 18 (Medium) | 4 (Low) | 18 (Medium) | 68 (High) | 0 (Low) | 24 (Medium) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 | 0 |
| 17 | 24 (Low) | 1,693 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 13 (Low) | 3 (Low) | 3 (Low) | 65 (High) | 1 (Low) | 37 (Medium) | 1 (Low) | 0 (Low) | 9 (Low) | 0 | 0 |
| 18 | 15 (Low) | 560 (Very high) | 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) | 2 (Low) | 1 (Low) | 2 (Low) | 3 (Low) | 32 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 | 0 |
| 19 | 36 (Medium) | 667 (Very high) | 1 (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) | 4 (Low) | 2 (Low) | 2 (Low) | 32 (Medium) | 0 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 20 | 19 (Low) | 448 (Very high) | 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) | 1 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 32 (Medium) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 21 | 9 (Low) | 868 (Very high) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 9 (Low) | 3 (Low) | 8 (Low) | 14 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 22 | 22 (Low) | 587 (Very high) | 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) | 2 (Low) | 8 (Low) | 3 (Low) | 6 (Low) | 25 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 | 0 |
| 23 | 14 (Low) | 1,066 (Very high) | 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) | 1 (Low) | 15 (Medium) | 2 (Low) | 23 (Medium) | 22 (Medium) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 4 | 0 |
| 24 | 14 (Low) | 738 (Very high) | 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) | 28 (Medium) | 3 (Low) | 36 (Medium) | 31 (Medium) | 0 (Low) | 15 (Medium) | 1 (Low) | 0 (Low) | 15 (Medium) | 1 | 0 |
| 25 | 37 (Medium) | 821 (Very high) | 4 (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) | 1 (Low) | 22 (Medium) | 6 (Low) | 8 (Low) | 70 (High) | 0 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 22 (Medium) | 2 | 0 |
| 26 | 11 (Low) | 621 (Very high) | 3 (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) | 20 (Medium) | 2 (Low) | 6 (Low) | 41 (Medium) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 4 | 0 |
| 27 | 12 (Low) | 349 (Very high) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 21 (Medium) | 1 (Low) | 7 (Low) | 21 (Medium) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 | 0 |
| 28 | 8 (Low) | 185 (High) | 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) | 1 (Low) | 17 (Medium) | 1 (Low) | 12 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |
| 29 | 8 (Low) | 313 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 13 (Low) | 1 (Low) | 15 (Medium) | 15 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 | 0 |
| 30 | 4 (Low) | 277 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 27 (Medium) | 1 (Low) | 21 (Medium) | 15 (Medium) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 14 (Low) | 0 | 0 |
| 31 | 0 (Low) | 185 (High) | 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) | 10 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 | 0 |