1,014 London Plane — day 17
921 Cypress/Yew — day 1
803 London Plane — day 28
31 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 | 921 (Very high) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 63 (High) | 0 (Low) | 30 (Medium) | 1 (Low) | 61 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 7 (Low) | 2 | 1 |
| 2 | 606 (Very high) | 0 (Low) | 17 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 68 (High) | 0 (Low) | 16 (Medium) | 0 (Low) | 78 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 11 (Low) | 0 | 1 |
| 3 | 556 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 24 (Medium) | 1 (Low) | 97 (High) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 9 (Low) | 3 | 3 |
| 4 | 316 (Very high) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 9 (Low) | 1 (Low) | 83 (High) | 0 (Low) | 1 (Low) | 3 (Low) | 2 (Low) | 12 (Low) | 1 | 1 |
| 5 | 76 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 3 (Low) | 1 (Low) | 83 (High) | 1 (Low) | 2 (Low) | 3 (Low) | 7 (Low) | 13 (Low) | 2 | 2 |
| 6 | 95 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 6 (Low) | 0 | 1 |
| 7 | 45 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 | 0 |
| 8 | 50 (Medium) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 41 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 | 1 |
| 9 | 97 (High) | 0 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 76 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 12 (Low) | 1 | 0 |
| 10 | 173 (High) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 143 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 5 (Low) | 2 | 1 |
| 11 | 259 (Very high) | 0 (Low) | 16 (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) | 4 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 129 (Very high) | 0 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 10 (Low) | 3 | 2 |
| 12 | 125 (High) | 6 (Low) | 16 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 45 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 13 (Low) | 1 (Low) | 4 (Low) | 6 (Low) | 144 (Very high) | 0 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 9 (Low) | 6 | 2 |
| 13 | 174 (High) | 7 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 26 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 2 (Low) | 1 (Low) | 69 (High) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 5 | 0 |
| 14 | 33 (Medium) | 35 (Medium) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 90 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 3 | 1 |
| 15 | 39 (Medium) | 193 (High) | 9 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 2 (Low) | 1 (Low) | 164 (Very high) | 0 (Low) | 2 (Low) | 1 (Low) | 6 (Low) | 9 (Low) | 3 | 3 |
| 16 | 52 (Medium) | 801 (Very high) | 11 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 13 (Low) | 12 (Low) | 1 (Low) | 9 (Low) | 180 (Very high) | 0 (Low) | 4 (Low) | 1 (Low) | 3 (Low) | 10 (Low) | 8 | 2 |
| 17 | 54 (Medium) | 1,014 (Very high) | 8 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 56 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 9 (Low) | 12 (Low) | 4 (Low) | 5 (Low) | 161 (Very high) | 1 (Low) | 6 (Low) | 2 (Low) | 4 (Low) | 9 (Low) | 8 | 2 |
| 18 | 53 (Medium) | 69 (Medium) | 6 (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) | 1 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 58 (High) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 3 | 3 |
| 19 | 117 (High) | 79 (Medium) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 3 (Low) | 3 (Low) | 52 (High) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 7 | 4 |
| 20 | 21 (Low) | 36 (Medium) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 49 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 | 3 |
| 21 | 17 (Low) | 725 (Very high) | 4 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 12 (Low) | 2 (Low) | 8 (Low) | 53 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 5 | 4 |
| 22 | 20 (Low) | 650 (Very high) | 6 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 15 (Medium) | 3 (Low) | 22 (Medium) | 57 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 12 (Low) | 14 | 4 |
| 23 | 16 (Low) | 408 (Very high) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 36 (Medium) | 1 (Low) | 14 (Low) | 48 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 7 | 2 |
| 24 | 13 (Low) | 342 (Very high) | 2 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 30 (Medium) | 1 (Low) | 9 (Low) | 53 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 11 (Low) | 7 | 3 |
| 25 | 32 (Medium) | 167 (High) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 12 (Low) | 0 (Low) | 14 (Low) | 124 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 9 (Low) | 3 (Low) | 11 | 9 |
| 26 | 47 (Medium) | 82 (Medium) | 3 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 15 (Medium) | 1 (Low) | 12 (Low) | 81 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 4 (Low) | 8 | 11 |
| 27 | 28 (Low) | 284 (High) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 26 (Medium) | 1 (Low) | 12 (Low) | 64 (High) | 0 (Low) | 6 (Low) | 0 (Low) | 6 (Low) | 7 (Low) | 10 | 7 |
| 28 | 16 (Low) | 803 (Very high) | 3 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 50 (High) | 1 (Low) | 17 (Medium) | 34 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 16 (Medium) | 7 | 6 |
| 29 | 24 (Low) | 329 (Very high) | 3 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 47 (Medium) | 0 (Low) | 22 (Medium) | 49 (Medium) | 1 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 15 (Medium) | 10 | 4 |
| 30 | 12 (Low) | 208 (High) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 59 (High) | 1 (Low) | 8 (Low) | 25 (Medium) | 1 (Low) | 14 (Low) | 0 (Low) | 3 (Low) | 12 (Low) | 14 | 2 |
| 31 | 7 (Low) | 68 (Medium) | 1 (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) | 17 (Medium) | 0 (Low) | 5 (Low) | 14 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 4 | 3 |