2,271 London Plane — day 31
1,790 London Plane — day 29
1,523 London Plane — day 30
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 | 90 (High) | 0 (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) | 22 (Medium) | 0 (Low) | 13 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 3 (Low) | 1 | 2 |
| 2 | 107 (High) | 0 (Low) | 14 (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) | 14 (Low) | 0 (Low) | 9 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 0 | 1 |
| 3 | 159 (High) | 0 (Low) | 3 (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) | 6 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 8 (Low) | 0 | 1 |
| 4 | 23 (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) | 9 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 | 1 |
| 5 | 9 (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) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 | 2 |
| 6 | 99 (High) | 0 (Low) | 8 (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) | 5 (Low) | 0 (Low) | 43 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 3 (Low) | 1 | 1 |
| 7 | 400 (Very high) | 0 (Low) | 4 (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) | 12 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 60 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 6 (Low) | 2 | 0 |
| 8 | 103 (High) | 0 (Low) | 23 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 4 (Low) | 0 (Low) | 87 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 14 (Low) | 0 | 1 |
| 9 | 73 (Medium) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 88 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 8 (Low) | 1 | 0 |
| 10 | 131 (High) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 110 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 10 (Low) | 0 | 2 |
| 11 | 351 (Very high) | 0 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 4 (Low) | 3 (Low) | 151 (Very high) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 12 (Low) | 3 | 6 |
| 12 | 258 (Very high) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 2 (Low) | 2 (Low) | 48 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 | 2 |
| 13 | 209 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 31 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 2 (Low) | 0 | 4 |
| 14 | 40 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 45 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 8 (Low) | 6 | 2 |
| 15 | 21 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 27 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 7 (Low) | 4 | 0 |
| 16 | 15 (Low) | 12 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 31 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 5 (Low) | 2 | 2 |
| 17 | 12 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 2 | 1 |
| 18 | 11 (Low) | 34 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 1 (Low) | 42 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 8 (Low) | 4 | 1 |
| 19 | 35 (Medium) | 106 (High) | 12 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 4 (Low) | 156 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 9 (Low) | 4 | 2 |
| 20 | 31 (Medium) | 759 (Very high) | 9 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 1 (Low) | 10 (Low) | 157 (Very high) | 0 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 3 (Low) | 5 | 1 |
| 21 | 39 (Medium) | 605 (Very high) | 7 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 2 (Low) | 5 (Low) | 73 (High) | 0 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 6 (Low) | 6 | 2 |
| 22 | 17 (Low) | 263 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 41 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 5 (Low) | 4 (Low) | 2 | 3 |
| 23 | 2 (Low) | 42 (Medium) | 0 (Low) | 0 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 | 2 |
| 24 | 4 (Low) | 44 (Medium) | 1 (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) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 | 0 |
| 25 | 0 (Low) | 72 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (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) | 1 (Low) | 0 | 1 |
| 26 | 2 (Low) | 34 (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) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 | 1 |
| 27 | 4 (Low) | 333 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 4 (Low) | 2 | 2 |
| 28 | 1 (Low) | 751 (Very high) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 12 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 4 (Low) | 3 (Low) | 2 | 2 |
| 29 | 1 (Low) | 1,790 (Very high) | 3 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 3 (Low) | 5 (Low) | 3 | 2 |
| 30 | 2 (Low) | 1,523 (Very high) | 2 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 6 (Low) | 17 (Medium) | 0 (Low) | 11 (Low) | 1 (Low) | 4 (Low) | 12 (Low) | 13 | 3 |
| 31 | 10 (Low) | 2,271 (Very high) | 13 (Low) | 7 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 15 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 3 (Low) | 12 (Low) | 0 (Low) | 38 (Medium) | 16 (Medium) | 0 (Low) | 478 (Very high) | 10 (Low) | 8 (Low) | 10 (Low) | 12 | 13 |