2,691 London Plane — day 1
1,487 Oak — day 28
1,375 London Plane — day 6
30 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 | 9 (Low) | 2,691 (Very high) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 13 (Low) | 37 (Medium) | 0 (Low) | 13 (Low) | 0 (Low) | 7 (Low) | 20 (Medium) | 8 | 10 |
| 2 | 12 (Low) | 1,256 (Very high) | 13 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 2 (Low) | 20 (Medium) | 26 (Medium) | 0 (Low) | 21 (Medium) | 0 (Low) | 11 (Low) | 27 (Medium) | 16 | 10 |
| 3 | 12 (Low) | 756 (Very high) | 7 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 18 (Medium) | 2 (Low) | 0 (Low) | 30 (Medium) | 0 (Low) | 4 (Low) | 4 (Low) | 13 | 9 |
| 4 | 1 (Low) | 380 (Very high) | 5 (Low) | 4 (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) | 9 (Low) | 0 (Low) | 1 (Low) | 12 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 7 (Low) | 11 (Low) | 6 | 6 |
| 5 | 15 (Low) | 1,311 (Very high) | 15 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 43 (Medium) | 0 (Low) | 38 (Medium) | 16 (Medium) | 1 (Low) | 5 (Low) | 0 (Low) | 38 (Medium) | 10 (Low) | 8 | 7 |
| 6 | 6 (Low) | 1,375 (Very high) | 15 (Low) | 3 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 123 (Very high) | 1 (Low) | 37 (Medium) | 5 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 11 (Low) | 7 (Low) | 2 | 9 |
| 7 | 5 (Low) | 486 (Very high) | 7 (Low) | 2 (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) | 117 (Very high) | 0 (Low) | 7 (Low) | 6 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 4 | 5 |
| 8 | 11 (Low) | 878 (Very high) | 10 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 190 (Very high) | 0 (Low) | 15 (Medium) | 5 (Low) | 1 (Low) | 10 (Low) | 1 (Low) | 9 (Low) | 6 (Low) | 6 | 4 |
| 9 | 2 (Low) | 406 (Very high) | 12 (Low) | 7 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 194 (Very high) | 12 (Low) | 19 (Medium) | 0 (Low) | 0 (Low) | 275 (Very high) | 10 (Low) | 0 (Low) | 6 (Low) | 8 | 0 |
| 10 | 5 (Low) | 332 (Very high) | 17 (Low) | 9 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 91 (High) | 0 (Low) | 14 (Low) | 1 (Low) | 0 (Low) | 250 (Very high) | 4 (Low) | 25 (Medium) | 22 (Medium) | 9 | 8 |
| 11 | 18 (Low) | 214 (High) | 13 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 59 (High) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 88 (High) | 4 (Low) | 10 (Low) | 6 (Low) | 8 | 7 |
| 12 | 6 (Low) | 94 (Medium) | 13 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 57 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 80 (High) | 1 (Low) | 10 (Low) | 7 (Low) | 3 | 5 |
| 13 | 6 (Low) | 114 (High) | 9 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 42 (Medium) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 244 (Very high) | 3 (Low) | 9 (Low) | 21 (Medium) | 10 | 7 |
| 14 | 3 (Low) | 128 (High) | 9 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 309 (Very high) | 3 (Low) | 4 (Low) | 10 (Low) | 10 | 4 |
| 15 | 10 (Low) | 58 (Medium) | 12 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 18 (Medium) | 0 (Low) | 0 (Low) | 224 (Very high) | 1 (Low) | 3 (Low) | 15 (Medium) | 6 | 9 |
| 16 | 17 (Low) | 71 (Medium) | 14 (Low) | 7 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 27 (Medium) | 0 (Low) | 50 (High) | 1 (Low) | 0 (Low) | 247 (Very high) | 3 (Low) | 5 (Low) | 17 (Medium) | 13 | 9 |
| 17 | 12 (Low) | 42 (Medium) | 19 (Low) | 5 (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) | 34 (Medium) | 0 (Low) | 15 (Medium) | 0 (Low) | 1 (Low) | 160 (Very high) | 3 (Low) | 4 (Low) | 23 (Medium) | 14 | 11 |
| 18 | 7 (Low) | 45 (Medium) | 16 (Low) | 13 (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) | 18 (Medium) | 1 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 254 (Very high) | 2 (Low) | 1 (Low) | 5 (Low) | 3 | 7 |
| 19 | 1 (Low) | 47 (Medium) | 14 (Low) | 22 (Medium) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 16 (Medium) | 0 (Low) | 2 (Low) | 642 (Very high) | 0 (Low) | 5 (Low) | 3 (Low) | 11 | 18 |
| 20 | 6 (Low) | 23 (Low) | 4 (Low) | 6 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 6 (Low) | 0 (Low) | 1 (Low) | 85 (High) | 0 (Low) | 1 (Low) | 3 (Low) | 3 | 7 |
| 21 | 5 (Low) | 17 (Low) | 6 (Low) | 7 (Low) | 2 (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) | 9 (Low) | 0 (Low) | 3 (Low) | 40 (Medium) | 2 (Low) | 2 (Low) | 6 (Low) | 6 | 7 |
| 22 | 4 (Low) | 5 (Low) | 3 (Low) | 2 (Low) | 1 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 1 | 3 |
| 23 | 3 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 | 1 |
| 24 | 11 (Low) | 19 (Low) | 4 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 2 (Low) | 140 (Very high) | 2 (Low) | 0 (Low) | 12 (Low) | 1 | 8 |
| 25 | 12 (Low) | 9 (Low) | 3 (Low) | 7 (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) | 3 (Low) | 0 (Low) | 55 (High) | 0 (Low) | 0 (Low) | 658 (Very high) | 5 (Low) | 0 (Low) | 3 (Low) | 4 | 5 |
| 26 | 26 (Low) | 13 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 37 (Medium) | 0 (Low) | 0 (Low) | 314 (Very high) | 1 (Low) | 4 (Low) | 1 (Low) | 6 | 7 |
| 27 | 24 (Low) | 6 (Low) | 6 (Low) | 20 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 480 (Very high) | 7 (Low) | 3 (Low) | 2 (Low) | 7 | 6 |
| 28 | 58 (Medium) | 3 (Low) | 11 (Low) | 16 (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) | 2 (Low) | 0 (Low) | 42 (Medium) | 0 (Low) | 1 (Low) | 1,487 (Very high) | 14 (Low) | 1 (Low) | 2 (Low) | 4 | 9 |
| 29 | 70 (Medium) | 11 (Low) | 17 (Low) | 6 (Low) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 69 (High) | 0 (Low) | 5 (Low) | 1,347 (Very high) | 4 (Low) | 8 (Low) | 9 (Low) | 5 | 9 |
| 30 | 1 (Low) | 1 (Low) | 1 (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) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 66 (High) | 1 (Low) | 0 (Low) | 1 (Low) | 1 | 2 |