1,306 London Plane — day 1
1,280 London Plane — day 7
1,200 London Plane — day 5
23 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 | 5 (Low) | 1,306 (Very high) | 0 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 27 (Medium) | 1 (Low) | 20 (Medium) | 2 (Low) | 1 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 13 (Low) | 0 | 0 |
| 2 | 0 (Low) | 133 (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) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 | 0 |
| 3 | 0 (Low) | 1,141 (Very high) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 47 (Medium) | 0 (Low) | 4 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 0 |
| 4 | 3 (Low) | 989 (Very high) | 0 (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) | 0 (Low) | 22 (Medium) | 0 (Low) | 7 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 0 |
| 5 | 2 (Low) | 1,200 (Very high) | 0 (Low) | 3 (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) | 31 (Medium) | 0 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 0 |
| 6 | 2 (Low) | 1,000 (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) | 0 (Low) | 27 (Medium) | 0 (Low) | 11 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 7 | 2 (Low) | 1,280 (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) | 0 (Low) | 13 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 8 | 0 (Low) | 387 (Very high) | 3 (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) | 4 (Low) | 57 (High) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 44 (Medium) | 1 (Low) | 2 (Low) | 3 (Low) | 0 | 0 |
| 9 | 7 (Low) | 677 (Very high) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 209 (Very high) | 0 (Low) | 19 (Medium) | 6 (Low) | 1 (Low) | 90 (High) | 2 (Low) | 0 (Low) | 32 (Medium) | 1 | 0 |
| 10 | 3 (Low) | 401 (Very high) | 1 (Low) | 24 (Medium) | 2 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 9 (Low) | 75 (High) | 1 (Low) | 36 (Medium) | 2 (Low) | 1 (Low) | 409 (Very high) | 3 (Low) | 0 (Low) | 13 (Low) | 0 | 0 |
| 11 | 3 (Low) | 230 (High) | 21 (Low) | 16 (Low) | 4 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 124 (Very high) | 2 (Low) | 35 (Medium) | 2 (Low) | 1 (Low) | 869 (Very high) | 6 (Low) | 5 (Low) | 34 (Medium) | 0 | 0 |
| 12 | 9 (Low) | 92 (Medium) | 6 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 43 (Medium) | 0 (Low) | 26 (Medium) | 0 (Low) | 0 (Low) | 372 (Very high) | 3 (Low) | 3 (Low) | 10 (Low) | 0 | 0 |
| 13 | 3 (Low) | 68 (Medium) | 2 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 101 (Very high) | 1 (Low) | 0 (Low) | 35 (Medium) | 0 | 0 |
| 14 | 8 (Low) | 128 (High) | 7 (Low) | 8 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 11 (Low) | 15 (Medium) | 2 (Low) | 28 (Medium) | 1 (Low) | 3 (Low) | 92 (High) | 2 (Low) | 0 (Low) | 14 (Low) | 0 | 0 |
| 15 | 7 (Low) | 95 (Medium) | 3 (Low) | 17 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 48 (Medium) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 254 (Very high) | 1 (Low) | 0 (Low) | 9 (Low) | 0 | 0 |
| 16 | 1 (Low) | 37 (Medium) | 6 (Low) | 15 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 12 (Low) | 3 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 410 (Very high) | 2 (Low) | 1 (Low) | 4 (Low) | 0 | 0 |
| 17 | 3 (Low) | 20 (Low) | 2 (Low) | 10 (Low) | 2 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 7 (Low) | 1 (Low) | 75 (High) | 0 (Low) | 0 (Low) | 140 (Very high) | 1 (Low) | 0 (Low) | 5 (Low) | 0 | 0 |
| 18 | 3 (Low) | 22 (Low) | 1 (Low) | 7 (Low) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 6 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 260 (Very high) | 1 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 19 | 0 (Low) | 120 (High) | 0 (Low) | 28 (Medium) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 630 (Very high) | 5 (Low) | 0 (Low) | 3 (Low) | 0 | 0 |
| 20 | 0 (Low) | 80 (Medium) | 0 (Low) | 12 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 384 (Very high) | 5 (Low) | 0 (Low) | 3 (Low) | 0 | 0 |
| 21 | 0 (Low) | 19 (Low) | 2 (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) | 0 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 1 (Low) | 0 (Low) | 3 (Low) | 0 | 0 |
| 22 | 1 (Low) | 84 (Medium) | 6 (Low) | 12 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 321 (Very high) | 4 (Low) | 0 (Low) | 6 (Low) | 0 | 0 |
| 23 | 1 (Low) | 8 (Low) | 7 (Low) | 12 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 133 (Very high) | 3 (Low) | 1 (Low) | 0 (Low) | 1 | 0 |
| 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |