592 Oak — day 9
576 Oak — day 4
549 Oak — day 5
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 | 3 (Low) | 3 (Low) | 9 (Low) | 3 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 116 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 5 | 5 |
| 2 | 5 (Low) | 4 (Low) | 13 (Low) | 9 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 344 (Very high) | 3 (Low) | 1 (Low) | 2 (Low) | 5 | 5 |
| 3 | 6 (Low) | 2 (Low) | 26 (Low) | 6 (Low) | 2 (Low) | 0 (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) | 11 (Low) | 0 (Low) | 0 (Low) | 339 (Very high) | 8 (Low) | 1 (Low) | 1 (Low) | 3 | 6 |
| 4 | 4 (Low) | 1 (Low) | 24 (Low) | 12 (Low) | 261 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 4 (Low) | 576 (Very high) | 5 (Low) | 0 (Low) | 6 (Low) | 6 | 3 |
| 5 | 4 (Low) | 15 (Low) | 22 (Low) | 13 (Low) | 143 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 114 (Very high) | 1 (Low) | 3 (Low) | 549 (Very high) | 7 (Low) | 0 (Low) | 5 (Low) | 23 | 11 |
| 6 | 2 (Low) | 1 (Low) | 19 (Low) | 4 (Low) | 21 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 131 (Very high) | 4 (Low) | 0 (Low) | 0 (Low) | 4 | 2 |
| 7 | 10 (Low) | 1 (Low) | 15 (Low) | 10 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 449 (Very high) | 5 (Low) | 1 (Low) | 1 (Low) | 7 | 10 |
| 8 | 17 (Low) | 2 (Low) | 22 (Low) | 10 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 1 (Low) | 328 (Very high) | 3 (Low) | 0 (Low) | 4 (Low) | 2 | 5 |
| 9 | 14 (Low) | 6 (Low) | 149 (High) | 38 (Medium) | 422 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 2 (Low) | 592 (Very high) | 13 (Low) | 0 (Low) | 2 (Low) | 12 | 13 |
| 10 | 3 (Low) | 6 (Low) | 75 (Medium) | 26 (Medium) | 222 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 27 (Medium) | 0 (Low) | 1 (Low) | 203 (Very high) | 7 (Low) | 0 (Low) | 2 (Low) | 7 | 4 |
| 11 | 1 (Low) | 6 (Low) | 4 (Low) | 7 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 2 | 3 |
| 12 | 3 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 7 (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 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 2 |
| 13 | 1 (Low) | 2 (Low) | 24 (Low) | 3 (Low) | 41 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 42 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 5 | 1 |
| 14 | 1 (Low) | 2 (Low) | 50 (Medium) | 17 (Low) | 102 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 92 (High) | 2 (Low) | 0 (Low) | 1 (Low) | 5 | 4 |
| 15 | 2 (Low) | 1 (Low) | 64 (Medium) | 23 (Medium) | 180 (Medium) | 0 (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) | 25 (Medium) | 0 (Low) | 2 (Low) | 167 (Very high) | 12 (Low) | 0 (Low) | 2 (Low) | 6 | 4 |
| 16 | 38 (Medium) | 1 (Low) | 30 (Medium) | 18 (Low) | 131 (Medium) | 0 (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) | 11 (Low) | 0 (Low) | 8 (Low) | 159 (Very high) | 5 (Low) | 0 (Low) | 7 (Low) | 7 | 6 |
| 17 | 20 (Low) | 6 (Low) | 38 (Medium) | 17 (Low) | 140 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 34 (Medium) | 0 (Low) | 9 (Low) | 272 (Very high) | 7 (Low) | 0 (Low) | 4 (Low) | 9 | 7 |
| 18 | 4 (Low) | 8 (Low) | 11 (Low) | 4 (Low) | 17 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 30 (Medium) | 0 (Low) | 0 (Low) | 132 (Very high) | 2 (Low) | 1 (Low) | 1 (Low) | 5 | 3 |
| 19 | 5 (Low) | 3 (Low) | 23 (Low) | 10 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) | 78 (High) | 5 (Low) | 0 (Low) | 2 (Low) | 3 | 4 |
| 20 | 4 (Low) | 0 (Low) | 34 (Medium) | 19 (Low) | 15 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 59 (High) | 7 (Low) | 0 (Low) | 2 (Low) | 2 | 3 |
| 21 | 2 (Low) | 2 (Low) | 69 (Medium) | 53 (High) | 120 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 4 (Low) | 142 (Very high) | 6 (Low) | 1 (Low) | 8 (Low) | 6 | 6 |
| 22 | 4 (Low) | 1 (Low) | 59 (Medium) | 40 (Medium) | 89 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 4 (Low) | 80 (High) | 12 (Low) | 0 (Low) | 4 (Low) | 7 | 5 |
| 23 | 10 (Low) | 2 (Low) | 62 (Medium) | 50 (High) | 82 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 1 (Low) | 155 (Very high) | 13 (Low) | 0 (Low) | 2 (Low) | 4 | 21 |
| 24 | 10 (Low) | 1 (Low) | 50 (Medium) | 30 (Medium) | 122 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 2 (Low) | 76 (High) | 5 (Low) | 0 (Low) | 3 (Low) | 7 | 6 |
| 25 | 15 (Low) | 2 (Low) | 69 (Medium) | 29 (Medium) | 154 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 145 (Very high) | 0 (Low) | 7 (Low) | 69 (High) | 11 (Low) | 0 (Low) | 0 (Low) | 5 | 12 |
| 26 | 5 (Low) | 2 (Low) | 127 (High) | 41 (Medium) | 173 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 5 (Low) | 47 (Medium) | 7 (Low) | 0 (Low) | 2 (Low) | 13 | 9 |
| 27 | 8 (Low) | 0 (Low) | 150 (High) | 36 (Medium) | 159 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 7 (Low) | 52 (High) | 8 (Low) | 0 (Low) | 5 (Low) | 7 | 9 |
| 28 | 5 (Low) | 0 (Low) | 70 (Medium) | 27 (Medium) | 96 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 7 (Low) | 45 (Medium) | 4 (Low) | 0 (Low) | 6 (Low) | 12 | 7 |
| 29 | 2 (Low) | 1 (Low) | 108 (High) | 23 (Medium) | 31 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 2 (Low) | 35 (Medium) | 6 (Low) | 0 (Low) | 3 (Low) | 12 | 6 |
| 30 | 4 (Low) | 1 (Low) | 44 (Medium) | 20 (Medium) | 35 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 0 (Low) | 50 (High) | 5 (Low) | 0 (Low) | 2 (Low) | 9 | 4 |
| 31 | 4 (Low) | 1 (Low) | 17 (Low) | 10 (Low) | 28 (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 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 45 (Medium) | 7 (Low) | 0 (Low) | 3 (Low) | 8 | 7 |