2,859 London Plane — day 1
919 Oak — day 20
858 Oak — day 29
19 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) | 2,859 (Very high) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 44 (Medium) | 9 (Low) | 52 (High) | 9 (Low) | 1 (Low) | 27 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 11 | 0 |
| 2 | 7 (Low) | 763 (Very high) | 1 (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) | 3 (Low) | 35 (Medium) | 4 (Low) | 31 (Medium) | 3 (Low) | 1 (Low) | 17 (Medium) | 1 (Low) | 0 (Low) | 7 (Low) | 2 | 0 |
| 3 | 7 (Low) | 467 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 6 (Low) | 6 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 | 0 |
| 4 | 9 (Low) | 469 (Very high) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 7 (Low) | 20 (Medium) | 12 (Low) | 0 (Low) | 15 (Medium) | 1 (Low) | 3 (Low) | 3 (Low) | 3 | 0 |
| 5 | 4 (Low) | 564 (Very high) | 3 (Low) | 1 (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) | 32 (Medium) | 2 (Low) | 8 (Low) | 9 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 2 | 0 |
| 6 | 1 (Low) | 840 (Very high) | 3 (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) | 5 (Low) | 83 (High) | 1 (Low) | 10 (Low) | 7 (Low) | 0 (Low) | 11 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 3 | 0 |
| 7 | 10 (Low) | 826 (Very high) | 2 (Low) | 24 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 24 (Medium) | 120 (Very high) | 6 (Low) | 28 (Medium) | 2 (Low) | 0 (Low) | 98 (High) | 2 (Low) | 4 (Low) | 14 (Low) | 6 | 0 |
| 8 | 7 (Low) | 555 (Very high) | 5 (Low) | 16 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 148 (Very high) | 1 (Low) | 28 (Medium) | 3 (Low) | 0 (Low) | 528 (Very high) | 6 (Low) | 0 (Low) | 10 (Low) | 8 | 0 |
| 9 | 4 (Low) | 584 (Very high) | 4 (Low) | 6 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 372 (Very high) | 0 (Low) | 54 (High) | 4 (Low) | 0 (Low) | 166 (Very high) | 0 (Low) | 2 (Low) | 26 (Medium) | 4 | 0 |
| 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2 (Low) | 43 (Medium) | 11 (Low) | 46 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 0 (Low) | 919 (Very high) | 8 (Low) | 0 (Low) | 1 (Low) | 8 | 1 |
| 21 | 2 (Low) | 13 (Low) | 1 (Low) | 3 (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) | 1 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 | 0 |
| 22 | 1 (Low) | 14 (Low) | 9 (Low) | 21 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 234 (Very high) | 4 (Low) | 1 (Low) | 1 (Low) | 6 | 1 |
| 23 | 2 (Low) | 15 (Low) | 7 (Low) | 28 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 1 (Low) | 300 (Very high) | 15 (Medium) | 0 (Low) | 2 (Low) | 7 | 1 |
| 24 | 1 (Low) | 42 (Medium) | 6 (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) | 2 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 489 (Very high) | 1 (Low) | 1 (Low) | 3 (Low) | 9 | 0 |
| 25 | 0 (Low) | 24 (Low) | 5 (Low) | 4 (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) | 1 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 133 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 0 |
| 26 | 3 (Low) | 11 (Low) | 7 (Low) | 16 (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) | 17 (Medium) | 0 (Low) | 0 (Low) | 304 (Very high) | 5 (Low) | 0 (Low) | 2 (Low) | 4 | 1 |
| 27 | 1 (Low) | 11 (Low) | 12 (Low) | 4 (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) | 2 (Low) | 1 (Low) | 49 (Medium) | 0 (Low) | 0 (Low) | 515 (Very high) | 3 (Low) | 0 (Low) | 2 (Low) | 3 | 2 |
| 28 | 2 (Low) | 6 (Low) | 13 (Low) | 11 (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) | 48 (Medium) | 0 (Low) | 0 (Low) | 593 (Very high) | 4 (Low) | 0 (Low) | 0 (Low) | 2 | 1 |
| 29 | 5 (Low) | 13 (Low) | 13 (Low) | 7 (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) | 4 (Low) | 3 (Low) | 36 (Medium) | 0 (Low) | 0 (Low) | 858 (Very high) | 3 (Low) | 0 (Low) | 7 (Low) | 7 | 0 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |