901 Oak — day 17
583 Oak — day 27
568 Oak — day 26
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 | 1 (Low) | 13 (Low) | 1 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 90 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 9 (Low) | 4 | 6 |
| 2 | 1 (Low) | 14 (Low) | 6 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 9 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 23 (Medium) | 3 | 2 |
| 3 | 0 (Low) | 23 (Low) | 2 (Low) | 9 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 1 (Low) | 47 (Medium) | 2 (Low) | 0 (Low) | 8 (Low) | 2 | 9 |
| 4 | 0 (Low) | 10 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 3 (Low) | 0 (Low) | 2 (Low) | 2 | 1 |
| 5 | 1 (Low) | 6 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 11 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 1 | 2 |
| 6 | 0 (Low) | 2 (Low) | 10 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 158 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 31 (Medium) | 2 (Low) | 0 (Low) | 10 (Low) | 4 | 8 |
| 7 | 1 (Low) | 7 (Low) | 13 (Low) | 13 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 238 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 8 (Low) | 0 (Low) | 10 (Low) | 76 | 2 |
| 8 | 1 (Low) | 8 (Low) | 9 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 213 (Very high) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 69 (High) | 5 (Low) | 0 (Low) | 8 (Low) | 61 | 3 |
| 9 | 1 (Low) | 2 (Low) | 12 (Low) | 16 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 235 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 84 (High) | 6 (Low) | 0 (Low) | 24 (Medium) | 63 | 3 |
| 10 | 1 (Low) | 16 (Low) | 14 (Low) | 10 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 64 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 1 (Low) | 16 (Medium) | 1 (Low) | 4 (Low) | 35 (Medium) | 4 (Low) | 0 (Low) | 62 (High) | 35 | 2 |
| 11 | 2 (Low) | 7 (Low) | 18 (Low) | 16 (Low) | 11 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 1 (Low) | 14 (Low) | 0 (Low) | 6 (Low) | 61 (High) | 2 (Low) | 0 (Low) | 41 (Medium) | 28 | 3 |
| 12 | 4 (Low) | 15 (Low) | 14 (Low) | 21 (Medium) | 12 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 1 (Low) | 26 (Medium) | 0 (Low) | 1 (Low) | 245 (Very high) | 6 (Low) | 2 (Low) | 25 (Medium) | 29 | 3 |
| 13 | 11 (Low) | 8 (Low) | 21 (Low) | 36 (Medium) | 5 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 75 (High) | 0 (Low) | 1 (Low) | 409 (Very high) | 8 (Low) | 1 (Low) | 19 (Medium) | 38 | 1 |
| 14 | 1 (Low) | 3 (Low) | 8 (Low) | 9 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 429 (Very high) | 11 (Low) | 0 (Low) | 7 (Low) | 32 | 2 |
| 15 | 1 (Low) | 0 (Low) | 0 (Low) | 1 (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) | 5 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 0 |
| 16 | 2 (Low) | 2 (Low) | 16 (Low) | 15 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 5 (Low) | 0 (Low) | 3 (Low) | 5 | 0 |
| 17 | 3 (Low) | 2 (Low) | 132 (High) | 39 (Medium) | 63 (Medium) | 1 (Low) | 123 (Very high) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 35 (Medium) | 0 (Low) | 4 (Low) | 901 (Very high) | 16 (Medium) | 0 (Low) | 3 (Low) | 110 | 1 |
| 18 | 1 (Low) | 2 (Low) | 70 (Medium) | 29 (Medium) | 50 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 524 (Very high) | 9 (Low) | 0 (Low) | 7 (Low) | 35 | 1 |
| 19 | 1 (Low) | 0 (Low) | 16 (Low) | 9 (Low) | 4 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 90 (High) | 4 (Low) | 0 (Low) | 1 (Low) | 9 | 1 |
| 20 | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (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) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 0 |
| 21 | 0 (Low) | 4 (Low) | 23 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 80 (High) | 0 (Low) | 0 (Low) | 127 (Very high) | 9 (Low) | 0 (Low) | 3 (Low) | 14 | 2 |
| 22 | 1 (Low) | 7 (Low) | 47 (Medium) | 8 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 313 (Very high) | 12 (Low) | 0 (Low) | 6 (Low) | 34 | 2 |
| 23 | 11 (Low) | 1 (Low) | 35 (Medium) | 16 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 60 (High) | 0 (Low) | 0 (Low) | 461 (Very high) | 36 (Medium) | 0 (Low) | 6 (Low) | 33 | 3 |
| 24 | 13 (Low) | 3 (Low) | 54 (Medium) | 18 (Low) | 6 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 59 (High) | 0 (Low) | 1 (Low) | 270 (Very high) | 19 (Medium) | 0 (Low) | 11 (Low) | 56 | 3 |
| 25 | 4 (Low) | 0 (Low) | 76 (Medium) | 9 (Low) | 17 (Low) | 1 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 61 (High) | 0 (Low) | 1 (Low) | 388 (Very high) | 10 (Low) | 0 (Low) | 2 (Low) | 38 | 1 |
| 26 | 3 (Low) | 2 (Low) | 130 (High) | 24 (Medium) | 6 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 119 (Very high) | 0 (Low) | 1 (Low) | 568 (Very high) | 30 (Medium) | 0 (Low) | 5 (Low) | 15 | 1 |
| 27 | 5 (Low) | 2 (Low) | 133 (High) | 23 (Medium) | 10 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 110 (Very high) | 0 (Low) | 0 (Low) | 583 (Very high) | 26 (Medium) | 0 (Low) | 5 (Low) | 20 | 1 |
| 28 | 12 (Low) | 0 (Low) | 98 (High) | 15 (Low) | 18 (Low) | 3 (Low) | 9 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 164 (Very high) | 0 (Low) | 2 (Low) | 482 (Very high) | 19 (Medium) | 0 (Low) | 6 (Low) | 19 | 1 |
| 29 | 12 (Low) | 2 (Low) | 162 (Very high) | 13 (Low) | 30 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 89 (High) | 1 (Low) | 3 (Low) | 433 (Very high) | 23 (Medium) | 0 (Low) | 6 (Low) | 42 | 3 |
| 30 | 5 (Low) | 2 (Low) | 133 (High) | 22 (Medium) | 37 (Low) | 0 (Low) | 36 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 60 (High) | 0 (Low) | 1 (Low) | 532 (Very high) | 22 (Medium) | 1 (Low) | 2 (Low) | 24 | 1 |
| 31 | 1 (Low) | 6 (Low) | 52 (Medium) | 6 (Low) | 112 (Medium) | 1 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 29 (Medium) | 0 (Low) | 5 (Low) | 218 (Very high) | 2 (Low) | 0 (Low) | 7 (Low) | 33 | 2 |