991 London Plane — day 1
604 London Plane — day 2
561 London Plane — day 3
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) | 991 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 107 (Very high) | 0 (Low) | 16 (Medium) | 4 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 1 | 2 |
| 2 | 4 (Low) | 604 (Very high) | 1 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 68 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 0 (Low) | 19 (Medium) | 1 (Low) | 0 (Low) | 18 (Medium) | 4 (Low) | 1 (Low) | 4 (Low) | 2 | 2 |
| 3 | 18 (Low) | 561 (Very high) | 6 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 38 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 34 (Medium) | 1 (Low) | 68 (High) | 14 (Low) | 0 (Low) | 18 (Medium) | 3 (Low) | 14 (Low) | 7 (Low) | 0 | 14 |
| 4 | 5 (Low) | 181 (High) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 1 (Low) | 7 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 3 (Low) | 1 (Low) | 3 (Low) | 0 | 1 |
| 5 | 6 (Low) | 146 (High) | 3 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 76 (High) | 1 (Low) | 1 (Low) | 6 (Low) | 3 | 2 |
| 6 | 1 (Low) | 78 (Medium) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 1 (Low) | 1 (Low) | 2 (Low) | 1 | 0 |
| 7 | 1 (Low) | 89 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 1 |
| 8 | 1 (Low) | 150 (High) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 16 (Medium) | 3 (Low) | 0 (Low) | 1 (Low) | 2 | 1 |
| 9 | 2 (Low) | 112 (High) | 2 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 2 (Low) | 0 (Low) | 6 (Low) | 2 | 4 |
| 10 | 4 (Low) | 247 (High) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 2 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 | 1 |
| 11 | 9 (Low) | 197 (High) | 3 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 0 | 0 |
| 12 | 5 (Low) | 265 (High) | 4 (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) | 12 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 2 | 0 |
| 13 | 4 (Low) | 212 (High) | 3 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 57 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 81 (High) | 2 (Low) | 0 (Low) | 11 (Low) | 2 | 5 |
| 14 | 2 (Low) | 246 (High) | 18 (Low) | 12 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 193 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 19 (Medium) | 1 (Low) | 0 (Low) | 181 (Very high) | 3 (Low) | 0 (Low) | 42 (Medium) | 4 | 15 |
| 15 | 5 (Low) | 396 (Very high) | 8 (Low) | 16 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 386 (Very high) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 51 (High) | 0 (Low) | 27 (Medium) | 0 (Low) | 0 (Low) | 288 (Very high) | 8 (Low) | 2 (Low) | 20 (Medium) | 2 | 12 |
| 16 | 3 (Low) | 126 (High) | 3 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 22 (Medium) | 1 (Low) | 1 (Low) | 8 (Low) | 2 | 3 |
| 17 | 4 (Low) | 276 (High) | 10 (Low) | 15 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 60 (High) | 0 (Low) | 19 (Medium) | 0 (Low) | 2 (Low) | 106 (Very high) | 1 (Low) | 1 (Low) | 21 (Medium) | 8 | 12 |
| 18 | 0 (Low) | 59 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 19 | 2 (Low) | 24 (Low) | 1 (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) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 0 |
| 20 | 11 (Low) | 179 (High) | 3 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 21 (Medium) | 2 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 8 (Low) | 2 | 1 |
| 21 | 2 (Low) | 30 (Medium) | 4 (Low) | 1 (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) | 4 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 | 1 |
| 22 | 3 (Low) | 42 (Medium) | 4 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 76 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 96 (High) | 3 (Low) | 0 (Low) | 5 (Low) | 3 | 1 |
| 23 | 2 (Low) | 39 (Medium) | 4 (Low) | 17 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 73 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 208 (Very high) | 10 (Low) | 0 (Low) | 10 (Low) | 4 | 6 |
| 24 | 2 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 2 | 0 |
| 25 | 2 (Low) | 41 (Medium) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 64 (High) | 1 (Low) | 1 (Low) | 2 (Low) | 2 | 1 |
| 26 | 0 (Low) | 9 (Low) | 2 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 1 (Low) | 2 (Low) | 4 (Low) | 1 | 2 |
| 27 | 1 (Low) | 7 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 4 (Low) | 0 (Low) | 11 (Low) | 6 | 0 |
| 28 | 9 (Low) | 16 (Low) | 8 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 20 (Medium) | 2 (Low) | 0 (Low) | 8 (Low) | 1 | 2 |
| 29 | 92 (High) | 18 (Low) | 8 (Low) | 19 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 77 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 109 (Very high) | 4 (Low) | 1 (Low) | 9 (Low) | 6 | 2 |
| 30 | 30 (Medium) | 10 (Low) | 5 (Low) | 17 (Low) | 4 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 44 (Medium) | 0 (Low) | 0 (Low) | 50 (High) | 8 (Low) | 0 (Low) | 13 (Low) | 1 | 8 |