3,105 London Plane — day 1
2,533 London Plane — day 4
1,880 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 | 26 (Low) | 3,105 (Very high) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 6 (Low) | 15 (Medium) | 215 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 4 (Low) | 7 | 7 |
| 2 | 16 (Low) | 1,504 (Very high) | 9 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 2 (Low) | 10 (Low) | 91 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 20 (Medium) | 6 | 8 |
| 3 | 18 (Low) | 1,880 (Very high) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 27 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 11 (Low) | 2 (Low) | 12 (Low) | 102 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 14 (Low) | 20 (Medium) | 4 | 11 |
| 4 | 30 (Medium) | 2,533 (Very high) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 16 (Medium) | 4 (Low) | 11 (Low) | 133 (Very high) | 0 (Low) | 4 (Low) | 1 (Low) | 17 (Medium) | 33 (Medium) | 11 | 14 |
| 5 | 22 (Low) | 781 (Very high) | 17 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 40 (Medium) | 120 (Very high) | 5 (Low) | 16 (Medium) | 30 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 25 (Medium) | 36 (Medium) | 0 | 14 |
| 6 | 14 (Low) | 764 (Very high) | 19 (Low) | 18 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 31 (Medium) | 0 (Low) | 71 (High) | 99 (High) | 1 (Low) | 7 (Low) | 1 (Low) | 2 (Low) | 14 (Low) | 4 | 8 |
| 7 | 12 (Low) | 422 (Very high) | 15 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 67 (High) | 1 (Low) | 61 (High) | 41 (Medium) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 | 5 |
| 8 | 17 (Low) | 347 (Very high) | 17 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 66 (High) | 0 (Low) | 22 (Medium) | 18 (Medium) | 0 (Low) | 8 (Low) | 0 (Low) | 6 (Low) | 7 (Low) | 8 | 6 |
| 9 | 4 (Low) | 228 (High) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 38 (Medium) | 0 (Low) | 5 (Low) | 15 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 7 (Low) | 6 | 5 |
| 10 | 3 (Low) | 120 (High) | 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) | 0 (Low) | 28 (Medium) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 0 | 3 |
| 11 | 5 (Low) | 359 (Very high) | 3 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 41 (Medium) | 1 (Low) | 38 (Medium) | 10 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 4 | 6 |
| 12 | 4 (Low) | 283 (High) | 4 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 30 (Medium) | 0 (Low) | 30 (Medium) | 16 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 7 | 5 |
| 13 | 12 (Low) | 261 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 69 (High) | 0 (Low) | 14 (Low) | 15 (Medium) | 1 (Low) | 6 (Low) | 0 (Low) | 6 (Low) | 3 (Low) | 4 | 4 |
| 14 | 9 (Low) | 174 (High) | 9 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 48 (Medium) | 1 (Low) | 23 (Medium) | 3 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 7 | 8 |
| 15 | 11 (Low) | 248 (High) | 3 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 30 (Medium) | 2 (Low) | 24 (Medium) | 5 (Low) | 0 (Low) | 59 (High) | 2 (Low) | 2 (Low) | 4 (Low) | 4 | 6 |
| 16 | 1 (Low) | 38 (Medium) | 1 (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) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 | 2 |
| 17 | 0 (Low) | 108 (High) | 8 (Low) | 11 (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) | 9 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 133 (Very high) | 4 (Low) | 1 (Low) | 25 (Medium) | 7 | 5 |
| 18 | 5 (Low) | 130 (High) | 15 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 579 (Very high) | 11 (Low) | 1 (Low) | 28 (Medium) | 7 | 8 |
| 19 | 1 (Low) | 18 (Low) | 2 (Low) | 10 (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) | 10 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 1 (Low) | 0 (Low) | 2 (Low) | 3 | 3 |
| 20 | 4 (Low) | 18 (Low) | 10 (Low) | 32 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 20 (Medium) | 1 (Low) | 1 (Low) | 4 (Low) | 7 | 2 |
| 21 | 12 (Low) | 165 (High) | 20 (Low) | 22 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 34 (Medium) | 0 (Low) | 44 (Medium) | 1 (Low) | 0 (Low) | 89 (High) | 1 (Low) | 1 (Low) | 15 (Medium) | 6 | 7 |
| 22 | 7 (Low) | 55 (Medium) | 19 (Low) | 52 (High) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 17 (Medium) | 2 (Low) | 1 (Low) | 325 (Very high) | 1 (Low) | 0 (Low) | 13 (Low) | 11 | 6 |
| 23 | 11 (Low) | 11 (Low) | 17 (Low) | 98 (High) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 718 (Very high) | 12 (Low) | 0 (Low) | 16 (Medium) | 5 | 11 |
| 24 | 4 (Low) | 48 (Medium) | 29 (Low) | 110 (Very high) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 38 (Medium) | 2 (Low) | 0 (Low) | 1,617 (Very high) | 26 (Medium) | 0 (Low) | 23 (Medium) | 11 | 13 |
| 25 | 2 (Low) | 27 (Low) | 9 (Low) | 40 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 460 (Very high) | 5 (Low) | 1 (Low) | 7 (Low) | 5 | 9 |
| 26 | 0 (Low) | 4 (Low) | 1 (Low) | 2 (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) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 0 |
| 27 | 1 (Low) | 26 (Low) | 5 (Low) | 7 (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) | 13 (Low) | 0 (Low) | 0 (Low) | 270 (Very high) | 3 (Low) | 1 (Low) | 1 (Low) | 3 | 6 |
| 28 | 1 (Low) | 7 (Low) | 6 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 106 (Very high) | 3 (Low) | 0 (Low) | 4 (Low) | 4 | 4 |
| 29 | 5 (Low) | 21 (Low) | 30 (Medium) | 96 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 0 (Low) | 927 (Very high) | 18 (Medium) | 1 (Low) | 6 (Low) | 8 | 8 |
| 30 | 9 (Low) | 16 (Low) | 2 (Low) | 71 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 38 (Medium) | 0 (Low) | 0 (Low) | 480 (Very high) | 16 (Medium) | 0 (Low) | 6 (Low) | 7 | 8 |