3,678 London Plane — day 10
3,304 London Plane — day 9
2,467 London Plane — day 5
28 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 | 1 (Low) | 10 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 0 | 0 |
| 2 | 0 (Low) | 5 (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) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 0 |
| 3 | 1 (Low) | 12 (Low) | 4 (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) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 0 | 0 |
| 4 | 7 (Low) | 240 (High) | 4 (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) | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 1 | 1 |
| 5 | 7 (Low) | 2,467 (Very high) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 5 (Low) | 8 | 4 |
| 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 8 | 10 (Low) | 1,759 (Very high) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 3 | 9 |
| 9 | 4 (Low) | 3,304 (Very high) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 20 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 2 | 4 |
| 10 | 3 (Low) | 3,678 (Very high) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 0 | 6 |
| 11 | 0 (Low) | 788 (Very high) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 3 |
| 12 | 9 (Low) | 2,136 (Very high) | 16 (Low) | 2 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 18 (Medium) | 2 (Low) | 19 (Medium) | 9 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 1 (Low) | 10 (Low) | 9 | 17 |
| 13 | 1 (Low) | 593 (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) | 0 (Low) | 9 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 1 | 2 |
| 14 | 0 (Low) | 221 (High) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (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) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 | 0 |
| 15 | 1 (Low) | 244 (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) | 0 (Low) | 12 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 1 | 2 |
| 16 | 2 (Low) | 797 (Very high) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 219 (Very high) | 0 (Low) | 1 (Low) | 6 (Low) | 2 (Low) | 0 (Low) | 8 (Low) | 3 | 6 |
| 17 | 1 (Low) | 314 (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) | 32 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 1 | 1 |
| 18 | 0 (Low) | 57 (Medium) | 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) | 24 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 4 (Low) | 1 | 0 |
| 19 | 0 (Low) | 69 (Medium) | 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) | 36 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 2 | 1 |
| 20 | 5 (Low) | 281 (High) | 15 (Low) | 3 (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) | 86 (High) | 0 (Low) | 21 (Medium) | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 2 (Low) | 12 (Low) | 7 | 2 |
| 21 | 3 (Low) | 320 (Very high) | 5 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 110 (Very high) | 0 (Low) | 19 (Medium) | 1 (Low) | 0 (Low) | 10 (Low) | 8 (Low) | 2 (Low) | 11 (Low) | 7 | 3 |
| 22 | 1 (Low) | 119 (High) | 5 (Low) | 3 (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) | 111 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 4 (Low) | 1 (Low) | 8 (Low) | 10 | 4 |
| 23 | 0 (Low) | 111 (High) | 14 (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) | 99 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 116 (Very high) | 5 (Low) | 2 (Low) | 6 (Low) | 5 | 1 |
| 24 | 1 (Low) | 50 (Medium) | 12 (Low) | 15 (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) | 96 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 301 (Very high) | 12 (Low) | 2 (Low) | 9 (Low) | 7 | 1 |
| 25 | 2 (Low) | 13 (Low) | 9 (Low) | 15 (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) | 37 (Medium) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 432 (Very high) | 13 (Low) | 4 (Low) | 24 (Medium) | 4 | 1 |
| 26 | 3 (Low) | 59 (Medium) | 8 (Low) | 5 (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) | 127 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 95 (High) | 6 (Low) | 1 (Low) | 35 (Medium) | 5 | 8 |
| 27 | 3 (Low) | 74 (Medium) | 11 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 87 (High) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 134 (Very high) | 4 (Low) | 2 (Low) | 92 (High) | 5 | 5 |
| 28 | 5 (Low) | 75 (Medium) | 16 (Low) | 15 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 67 (High) | 0 (Low) | 12 (Low) | 0 (Low) | 2 (Low) | 413 (Very high) | 10 (Low) | 3 (Low) | 65 (High) | 8 | 5 |
| 29 | 2 (Low) | 38 (Medium) | 10 (Low) | 26 (Medium) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 56 (High) | 0 (Low) | 21 (Medium) | 0 (Low) | 3 (Low) | 653 (Very high) | 23 (Medium) | 2 (Low) | 25 (Medium) | 13 | 3 |
| 30 | 0 (Low) | 57 (Medium) | 31 (Medium) | 56 (High) | 19 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 579 (Very high) | 33 (Medium) | 1 (Low) | 43 (Medium) | 24 | 11 |