1,289 Oak — day 16
592 Oak — day 24
504 Oak — day 11
28 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 | 35 (Medium) | 1 (Low) | 3 (Low) | 15 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 1 (Low) | 344 (Very high) | 0 (Low) | 0 (Low) | 2 (Low) | 1 | 2 |
| 2 | 9 (Low) | 10 (Low) | 4 (Low) | 36 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 107 (Very high) | 0 (Low) | 0 (Low) | 7 (Low) | 6 | 8 |
| 3 | 35 (Medium) | 18 (Low) | 4 (Low) | 16 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 70 (High) | 0 (Low) | 2 (Low) | 327 (Very high) | 2 (Low) | 0 (Low) | 6 (Low) | 7 | 11 |
| 4 | 9 (Low) | 1 (Low) | 4 (Low) | 18 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 0 (Low) | 293 (Very high) | 6 (Low) | 0 (Low) | 2 (Low) | 0 | 4 |
| 5 | 11 (Low) | 8 (Low) | 5 (Low) | 23 (Medium) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 215 (Very high) | 6 (Low) | 0 (Low) | 2 (Low) | 5 | 3 |
| 6 | 4 (Low) | 2 (Low) | 9 (Low) | 19 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 0 (Low) | 147 (Very high) | 3 (Low) | 0 (Low) | 3 (Low) | 1 | 8 |
| 7 | 6 (Low) | 3 (Low) | 50 (Medium) | 28 (Medium) | 22 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 53 (High) | 0 (Low) | 0 (Low) | 407 (Very high) | 8 (Low) | 0 (Low) | 2 (Low) | 2 | 29 |
| 8 | 10 (Low) | 8 (Low) | 18 (Low) | 31 (Medium) | 23 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 59 (High) | 0 (Low) | 2 (Low) | 376 (Very high) | 12 (Low) | 4 (Low) | 6 (Low) | 2 | 34 |
| 9 | 3 (Low) | 1 (Low) | 18 (Low) | 33 (Medium) | 9 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 187 (Very high) | 4 (Low) | 1 (Low) | 1 (Low) | 1 | 15 |
| 10 | 4 (Low) | 1 (Low) | 14 (Low) | 40 (Medium) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 45 (Medium) | 0 (Low) | 0 (Low) | 203 (Very high) | 10 (Low) | 0 (Low) | 2 (Low) | 4 | 15 |
| 11 | 24 (Low) | 4 (Low) | 15 (Low) | 73 (High) | 71 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 65 (High) | 0 (Low) | 0 (Low) | 504 (Very high) | 17 (Medium) | 0 (Low) | 2 (Low) | 1 | 50 |
| 12 | 22 (Low) | 2 (Low) | 11 (Low) | 41 (Medium) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 1 (Low) | 143 (Very high) | 4 (Low) | 1 (Low) | 2 (Low) | 1 | 16 |
| 13 | 60 (Medium) | 5 (Low) | 16 (Low) | 83 (High) | 10 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 83 (High) | 0 (Low) | 0 (Low) | 248 (Very high) | 9 (Low) | 0 (Low) | 0 (Low) | 3 | 24 |
| 14 | 46 (Medium) | 3 (Low) | 55 (Medium) | 114 (Very high) | 31 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 66 (High) | 0 (Low) | 3 (Low) | 363 (Very high) | 16 (Medium) | 5 (Low) | 2 (Low) | 3 | 30 |
| 15 | 58 (Medium) | 8 (Low) | 37 (Medium) | 114 (Very high) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 80 (High) | 0 (Low) | 1 (Low) | 313 (Very high) | 19 (Medium) | 2 (Low) | 15 (Medium) | 6 | 44 |
| 16 | 22 (Low) | 11 (Low) | 85 (High) | 97 (High) | 19 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 251 (Very high) | 0 (Low) | 0 (Low) | 1,289 (Very high) | 32 (Medium) | 3 (Low) | 14 (Low) | 2 | 52 |
| 17 | 11 (Low) | 3 (Low) | 31 (Medium) | 36 (Medium) | 6 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 0 (Low) | 388 (Very high) | 12 (Low) | 0 (Low) | 2 (Low) | 2 | 27 |
| 18 | 13 (Low) | 0 (Low) | 9 (Low) | 14 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 115 (Very high) | 11 (Low) | 0 (Low) | 1 (Low) | 0 | 15 |
| 19 | 8 (Low) | 1 (Low) | 37 (Medium) | 11 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 0 (Low) | 99 (High) | 6 (Low) | 0 (Low) | 1 (Low) | 4 | 33 |
| 20 | 12 (Low) | 1 (Low) | 47 (Medium) | 16 (Low) | 19 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 111 (Very high) | 7 (Low) | 0 (Low) | 3 (Low) | 3 | 38 |
| 21 | 26 (Low) | 1 (Low) | 55 (Medium) | 13 (Low) | 12 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 5 (Low) | 294 (Very high) | 13 (Low) | 0 (Low) | 1 (Low) | 10 | 43 |
| 22 | 32 (Medium) | 1 (Low) | 176 (Very high) | 11 (Low) | 20 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 47 (Medium) | 0 (Low) | 0 (Low) | 464 (Very high) | 6 (Low) | 0 (Low) | 7 (Low) | 10 | 53 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 20 (Low) | 2 (Low) | 68 (Medium) | 20 (Medium) | 21 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 143 (Very high) | 0 (Low) | 0 (Low) | 592 (Very high) | 17 (Medium) | 1 (Low) | 10 (Low) | 7 | 54 |
| 25 | 15 (Low) | 1 (Low) | 25 (Low) | 9 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 58 (High) | 0 (Low) | 1 (Low) | 197 (Very high) | 5 (Low) | 1 (Low) | 2 (Low) | 11 | 24 |
| 26 | 28 (Low) | 0 (Low) | 27 (Low) | 6 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 69 (High) | 0 (Low) | 1 (Low) | 249 (Very high) | 13 (Low) | 0 (Low) | 3 (Low) | 2 | 26 |
| 27 | 36 (Medium) | 2 (Low) | 39 (Medium) | 21 (Medium) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 103 (Very high) | 0 (Low) | 0 (Low) | 311 (Very high) | 15 (Medium) | 3 (Low) | 3 (Low) | 4 | 42 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 8 (Low) | 1 (Low) | 27 (Low) | 8 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 108 (Very high) | 0 (Low) | 0 (Low) | 234 (Very high) | 8 (Low) | 0 (Low) | 3 (Low) | 1 | 20 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 9 (Low) | 0 (Low) | 31 (Medium) | 24 (Medium) | 51 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 44 (Medium) | 0 (Low) | 4 (Low) | 182 (Very high) | 3 (Low) | 0 (Low) | 8 (Low) | 7 | 38 |