502 Oak — day 29
407 Oak — day 28
311 Oak — day 26
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 | 1 (Low) | 2 (Low) | 3 (Low) | 3 (Low) | 24 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 63 (High) | 0 (Low) | 0 (Low) | 10 (Low) | 1 | 9 |
| 2 | 0 (Low) | 2 (Low) | 4 (Low) | 12 (Low) | 44 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 95 (High) | 2 (Low) | 1 (Low) | 5 (Low) | 3 | 13 |
| 3 | 1 (Low) | 9 (Low) | 5 (Low) | 18 (Low) | 64 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 63 (High) | 7 (Low) | 1 (Low) | 5 (Low) | 4 | 12 |
| 4 | 1 (Low) | 5 (Low) | 4 (Low) | 15 (Low) | 9 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 48 (Medium) | 4 (Low) | 0 (Low) | 3 (Low) | 1 | 10 |
| 5 | 3 (Low) | 69 (Medium) | 1 (Low) | 3 (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) | 5 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 8 |
| 6 | 0 (Low) | 2 (Low) | 2 (Low) | 23 (Medium) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 35 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 4 | 8 |
| 7 | 0 (Low) | 1 (Low) | 4 (Low) | 12 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 32 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 1 | 7 |
| 8 | 2 (Low) | 1 (Low) | 18 (Low) | 16 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 137 (Very high) | 2 (Low) | 1 (Low) | 5 (Low) | 1 | 17 |
| 9 | 0 (Low) | 1 (Low) | 38 (Medium) | 27 (Medium) | 48 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 58 (High) | 9 (Low) | 1 (Low) | 5 (Low) | 3 | 14 |
| 10 | 2 (Low) | 7 (Low) | 44 (Medium) | 32 (Medium) | 24 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 99 (High) | 8 (Low) | 0 (Low) | 1 (Low) | 6 | 17 |
| 11 | 1 (Low) | 6 (Low) | 14 (Low) | 23 (Medium) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 284 (Very high) | 14 (Low) | 0 (Low) | 5 (Low) | 2 | 25 |
| 12 | 1 (Low) | 1 (Low) | 24 (Low) | 23 (Medium) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 59 (High) | 7 (Low) | 0 (Low) | 1 (Low) | 3 | 12 |
| 13 | 1 (Low) | 2 (Low) | 19 (Low) | 18 (Low) | 6 (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) | 8 (Low) | 0 (Low) | 0 (Low) | 45 (Medium) | 3 (Low) | 0 (Low) | 1 (Low) | 10 | 10 |
| 14 | 2 (Low) | 0 (Low) | 12 (Low) | 8 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 2 (Low) | 1 (Low) | 1 (Low) | 2 | 5 |
| 15 | 1 (Low) | 1 (Low) | 3 (Low) | 11 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 2 (Low) | 0 (Low) | 1 (Low) | 1 | 4 |
| 16 | 6 (Low) | 1 (Low) | 27 (Low) | 49 (Medium) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 115 (Very high) | 5 (Low) | 0 (Low) | 3 (Low) | 2 | 13 |
| 17 | 12 (Low) | 0 (Low) | 77 (Medium) | 29 (Medium) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 1 (Low) | 115 (Very high) | 8 (Low) | 0 (Low) | 8 (Low) | 14 | 15 |
| 18 | 2 (Low) | 2 (Low) | 178 (Very high) | 69 (High) | 252 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 5 (Low) | 218 (Very high) | 9 (Low) | 5 (Low) | 9 (Low) | 17 | 26 |
| 19 | 3 (Low) | 7 (Low) | 154 (Very high) | 56 (High) | 71 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 0 (Low) | 275 (Very high) | 18 (Medium) | 0 (Low) | 3 (Low) | 7 | 25 |
| 20 | 1 (Low) | 1 (Low) | 14 (Low) | 18 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 65 (High) | 5 (Low) | 0 (Low) | 1 (Low) | 3 | 7 |
| 21 | 1 (Low) | 0 (Low) | 34 (Medium) | 19 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 99 (High) | 11 (Low) | 0 (Low) | 5 (Low) | 2 | 9 |
| 22 | 2 (Low) | 1 (Low) | 23 (Low) | 11 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 186 (Very high) | 14 (Low) | 1 (Low) | 0 (Low) | 3 | 11 |
| 23 | 2 (Low) | 0 (Low) | 17 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 | 5 |
| 24 | 2 (Low) | 0 (Low) | 30 (Medium) | 14 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 39 (Medium) | 4 (Low) | 1 (Low) | 4 (Low) | 3 | 4 |
| 25 | 1 (Low) | 1 (Low) | 129 (High) | 36 (Medium) | 18 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 166 (Very high) | 16 (Medium) | 1 (Low) | 2 (Low) | 0 | 10 |
| 26 | 7 (Low) | 0 (Low) | 214 (Very high) | 25 (Medium) | 75 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 311 (Very high) | 1 (Low) | 0 (Low) | 2 (Low) | 3 | 5 |
| 27 | 3 (Low) | 0 (Low) | 206 (Very high) | 41 (Medium) | 100 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 4 (Low) | 294 (Very high) | 7 (Low) | 0 (Low) | 3 (Low) | 3 | 7 |
| 28 | 7 (Low) | 1 (Low) | 305 (Very high) | 46 (Medium) | 188 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 31 (Medium) | 0 (Low) | 3 (Low) | 407 (Very high) | 8 (Low) | 0 (Low) | 4 (Low) | 2 | 7 |
| 29 | 15 (Low) | 0 (Low) | 213 (Very high) | 38 (Medium) | 293 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 96 (High) | 0 (Low) | 12 (Low) | 502 (Very high) | 5 (Low) | 0 (Low) | 5 (Low) | 4 | 10 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |