1,922 London Plane — day 31
992 London Plane — day 30
698 London Plane — day 29
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 | 118 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 0 (Low) | 65 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 1 | 1 |
| 2 | 65 (Medium) | 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) | 0 (Low) | 4 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 | 1 |
| 3 | 70 (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) | 0 (Low) | 12 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 | 1 |
| 4 | 113 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 31 (Medium) | 2 (Low) | 40 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 1 | 1 |
| 5 | 18 (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) | 0 (Low) | 2 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 | 1 |
| 6 | 39 (Medium) | 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) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 1 | 1 |
| 7 | 185 (High) | 0 (Low) | 2 (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) | 2 (Low) | 0 (Low) | 22 (Medium) | 1 (Low) | 48 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 20 (Medium) | 0 | 1 |
| 8 | 309 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 36 (Medium) | 0 (Low) | 32 (Medium) | 0 (Low) | 86 (High) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 12 (Low) | 1 | 1 |
| 9 | 132 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 17 (Medium) | 1 (Low) | 45 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 1 | 1 |
| 10 | 198 (High) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 52 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 13 (Low) | 1 | 1 |
| 11 | 111 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 87 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 7 (Low) | 6 | 1 |
| 12 | 95 (High) | 0 (Low) | 9 (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) | 12 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 94 (High) | 0 (Low) | 9 (Low) | 1 (Low) | 5 (Low) | 5 (Low) | 0 | 1 |
| 13 | 488 (Very high) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 36 (Medium) | 0 (Low) | 15 (Medium) | 1 (Low) | 342 (Very high) | 0 (Low) | 15 (Medium) | 2 (Low) | 4 (Low) | 9 (Low) | 0 | 2 |
| 14 | 146 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 9 (Low) | 0 (Low) | 150 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 | 1 |
| 15 | 17 (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) | 0 (Low) | 11 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 16 | 7 (Low) | 0 (Low) | 1 (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) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 17 | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 46 (Medium) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 2 | 1 |
| 18 | 21 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 | 1 |
| 19 | 19 (Low) | 0 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 37 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 | 1 |
| 20 | 73 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 63 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 2 | 2 |
| 21 | 16 (Low) | 1 (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) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 0 |
| 22 | 10 (Low) | 2 (Low) | 1 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 23 | 2 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 24 | 20 (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) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 1 |
| 25 | 82 (Medium) | 6 (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) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 16 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 | 1 |
| 26 | 9 (Low) | 2 (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) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 1 |
| 27 | 50 (Medium) | 31 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 1 | 1 |
| 28 | 42 (Medium) | 212 (High) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 31 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 4 (Low) | 7 (Low) | 3 | 0 |
| 29 | 47 (Medium) | 698 (Very high) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 2 (Low) | 3 (Low) | 25 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 2 | 0 |
| 30 | 18 (Low) | 992 (Very high) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 3 (Low) | 3 (Low) | 5 (Low) | 32 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 1 | 2 |
| 31 | 35 (Medium) | 1,922 (Very high) | 10 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 60 (High) | 4 (Low) | 5 (Low) | 30 (Medium) | 1 (Low) | 2 (Low) | 0 (Low) | 17 (Medium) | 5 (Low) | 4 | 3 |