321 Oak — day 2
317 Oak — day 5
303 Oak — day 1
29 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 | 10 (Low) | 0 (Low) | 69 (Medium) | 28 (Medium) | 164 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 268 (Very high) | 0 (Low) | 4 (Low) | 303 (Very high) | 16 (Medium) | 0 (Low) | 4 (Low) | 6 | 10 |
| 2 | 9 (Low) | 0 (Low) | 79 (Medium) | 44 (Medium) | 145 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 147 (Very high) | 0 (Low) | 0 (Low) | 321 (Very high) | 10 (Low) | 0 (Low) | 3 (Low) | 8 | 9 |
| 3 | 10 (Low) | 0 (Low) | 77 (Medium) | 28 (Medium) | 17 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 297 (Very high) | 0 (Low) | 0 (Low) | 288 (Very high) | 17 (Medium) | 0 (Low) | 5 (Low) | 5 | 5 |
| 4 | 8 (Low) | 0 (Low) | 50 (Medium) | 31 (Medium) | 34 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 302 (Very high) | 0 (Low) | 0 (Low) | 202 (Very high) | 17 (Medium) | 0 (Low) | 18 (Medium) | 9 | 5 |
| 5 | 14 (Low) | 0 (Low) | 58 (Medium) | 31 (Medium) | 50 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 259 (Very high) | 0 (Low) | 0 (Low) | 317 (Very high) | 21 (Medium) | 0 (Low) | 10 (Low) | 7 | 9 |
| 6 | 11 (Low) | 1 (Low) | 74 (Medium) | 27 (Medium) | 61 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 156 (Very high) | 0 (Low) | 1 (Low) | 286 (Very high) | 23 (Medium) | 0 (Low) | 13 (Low) | 6 | 12 |
| 7 | 3 (Low) | 0 (Low) | 49 (Medium) | 21 (Medium) | 17 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 56 (High) | 0 (Low) | 0 (Low) | 221 (Very high) | 7 (Low) | 0 (Low) | 4 (Low) | 6 | 3 |
| 8 | 5 (Low) | 1 (Low) | 42 (Medium) | 10 (Low) | 38 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 105 (Very high) | 0 (Low) | 1 (Low) | 164 (Very high) | 11 (Low) | 0 (Low) | 5 (Low) | 5 | 3 |
| 9 | 4 (Low) | 0 (Low) | 44 (Medium) | 10 (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) | 114 (Very high) | 0 (Low) | 2 (Low) | 107 (Very high) | 11 (Low) | 0 (Low) | 5 (Low) | 4 | 4 |
| 10 | 2 (Low) | 0 (Low) | 26 (Low) | 6 (Low) | 25 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 59 (High) | 0 (Low) | 1 (Low) | 160 (Very high) | 4 (Low) | 0 (Low) | 2 (Low) | 1 | 2 |
| 11 | 5 (Low) | 1 (Low) | 58 (Medium) | 11 (Low) | 28 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 51 (High) | 0 (Low) | 0 (Low) | 264 (Very high) | 9 (Low) | 3 (Low) | 5 (Low) | 7 | 3 |
| 12 | 3 (Low) | 0 (Low) | 13 (Low) | 10 (Low) | 4 (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) | 47 (Medium) | 0 (Low) | 1 (Low) | 62 (High) | 2 (Low) | 0 (Low) | 2 (Low) | 5 | 2 |
| 13 | 1 (Low) | 0 (Low) | 17 (Low) | 5 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 35 (Medium) | 0 (Low) | 0 (Low) | 65 (High) | 1 (Low) | 0 (Low) | 3 (Low) | 1 | 3 |
| 14 | 2 (Low) | 0 (Low) | 24 (Low) | 8 (Low) | 23 (Low) | 0 (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) | 22 (Medium) | 0 (Low) | 2 (Low) | 80 (High) | 2 (Low) | 0 (Low) | 2 (Low) | 3 | 2 |
| 15 | 4 (Low) | 0 (Low) | 29 (Low) | 8 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 1 (Low) | 47 (Medium) | 3 (Low) | 0 (Low) | 2 (Low) | 3 | 1 |
| 16 | 4 (Low) | 0 (Low) | 40 (Medium) | 10 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 1 (Low) | 66 (High) | 4 (Low) | 0 (Low) | 8 (Low) | 8 | 2 |
| 17 | 2 (Low) | 0 (Low) | 30 (Medium) | 9 (Low) | 16 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 0 (Low) | 55 (High) | 1 (Low) | 0 (Low) | 6 (Low) | 1 | 2 |
| 18 | 1 (Low) | 0 (Low) | 36 (Medium) | 8 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 1 (Low) | 48 (Medium) | 2 (Low) | 0 (Low) | 2 (Low) | 3 | 1 |
| 19 | 0 (Low) | 1 (Low) | 10 (Low) | 3 (Low) | 16 (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) | 0 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 31 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 2 | 2 |
| 20 | 1 (Low) | 0 (Low) | 9 (Low) | 3 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 3 | 2 |
| 21 | 0 (Low) | 0 (Low) | 14 (Low) | 5 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 46 (Medium) | 1 (Low) | 0 (Low) | 2 (Low) | 3 | 3 |
| 22 | 4 (Low) | 0 (Low) | 15 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 1 (Low) | 53 (High) | 2 (Low) | 0 (Low) | 5 (Low) | 3 | 5 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 1 (Low) | 0 (Low) | 16 (Low) | 3 (Low) | 2 (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) | 9 (Low) | 0 (Low) | 3 (Low) | 43 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 4 | 4 |
| 25 | 6 (Low) | 0 (Low) | 24 (Low) | 5 (Low) | 2 (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) | 16 (Medium) | 0 (Low) | 4 (Low) | 32 (Medium) | 2 (Low) | 0 (Low) | 2 (Low) | 8 | 6 |
| 26 | 8 (Low) | 0 (Low) | 26 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 7 (Low) | 34 (Medium) | 2 (Low) | 0 (Low) | 5 (Low) | 6 | 8 |
| 27 | 2 (Low) | 0 (Low) | 19 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 6 | 4 |
| 28 | 2 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (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) | 0 (Low) | 11 (Low) | 0 (Low) | 3 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 | 4 |
| 29 | 2 (Low) | 0 (Low) | 8 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 9 | 6 |
| 30 | 3 (Low) | 0 (Low) | 23 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 2 (Low) | 48 (Medium) | 1 (Low) | 0 (Low) | 3 (Low) | 8 | 4 |