569 Olive — day 20
423 Oak — day 14
414 Olive — day 21
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 | 5 (Low) | 1 (Low) | 12 (Low) | 5 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 27 (Medium) | 1 (Low) | 0 (Low) | 74 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 | 2 |
| 2 | 3 (Low) | 0 (Low) | 4 (Low) | 25 (Medium) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 52 (High) | 0 (Low) | 2 (Low) | 0 (Low) | 0 | 5 |
| 3 | 23 (Low) | 0 (Low) | 9 (Low) | 20 (Medium) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 24 (Medium) | 0 (Low) | 2 (Low) | 72 (High) | 1 (Low) | 0 (Low) | 0 (Low) | 68 | 7 |
| 4 | 27 (Low) | 0 (Low) | 12 (Low) | 36 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 33 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 11 (Low) | 88 (High) | 4 (Low) | 1 (Low) | 0 (Low) | 113 | 4 |
| 5 | 19 (Low) | 0 (Low) | 8 (Low) | 20 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 109 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 1 (Low) | 47 (Medium) | 3 (Low) | 0 (Low) | 0 (Low) | 27 | 3 |
| 6 | 7 (Low) | 0 (Low) | 27 (Low) | 26 (Medium) | 11 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 139 (Very high) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 11 (Low) | 98 (High) | 3 (Low) | 0 (Low) | 0 (Low) | 20 | 6 |
| 7 | 4 (Low) | 6 (Low) | 76 (Medium) | 70 (High) | 44 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 196 (Very high) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 15 (Medium) | 0 (Low) | 6 (Low) | 129 (Very high) | 17 (Medium) | 0 (Low) | 4 (Low) | 27 | 13 |
| 8 | 6 (Low) | 0 (Low) | 167 (Very high) | 38 (Medium) | 333 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 191 (Very high) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 61 (High) | 0 (Low) | 6 (Low) | 206 (Very high) | 19 (Medium) | 0 (Low) | 0 (Low) | 16 | 11 |
| 9 | 3 (Low) | 1 (Low) | 183 (Very high) | 52 (High) | 290 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 57 (High) | 0 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 53 (High) | 0 (Low) | 5 (Low) | 187 (Very high) | 27 (Medium) | 0 (Low) | 1 (Low) | 31 | 13 |
| 10 | 1 (Low) | 0 (Low) | 38 (Medium) | 8 (Low) | 46 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 1 (Low) | 64 (High) | 5 (Low) | 0 (Low) | 0 (Low) | 8 | 3 |
| 11 | 1 (Low) | 0 (Low) | 108 (High) | 13 (Low) | 231 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 74 (High) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 43 (Medium) | 0 (Low) | 13 (Low) | 178 (Very high) | 24 (Medium) | 0 (Low) | 1 (Low) | 21 | 11 |
| 12 | 0 (Low) | 0 (Low) | 112 (High) | 7 (Low) | 146 (Medium) | 0 (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) | 19 (Medium) | 0 (Low) | 2 (Low) | 80 (High) | 5 (Low) | 1 (Low) | 3 (Low) | 16 | 14 |
| 13 | 2 (Low) | 0 (Low) | 95 (High) | 10 (Low) | 144 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 2 (Low) | 87 (High) | 9 (Low) | 0 (Low) | 3 (Low) | 17 | 12 |
| 14 | 11 (Low) | 1 (Low) | 51 (Medium) | 23 (Medium) | 41 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 3 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 140 (Very high) | 0 (Low) | 0 (Low) | 423 (Very high) | 19 (Medium) | 0 (Low) | 2 (Low) | 44 | 13 |
| 15 | 8 (Low) | 0 (Low) | 34 (Medium) | 18 (Low) | 11 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 39 (Medium) | 0 (Low) | 1 (Low) | 144 (Very high) | 9 (Low) | 0 (Low) | 2 (Low) | 21 | 5 |
| 16 | 3 (Low) | 0 (Low) | 79 (Medium) | 15 (Low) | 91 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 26 (Medium) | 0 (Low) | 4 (Low) | 91 (High) | 16 (Medium) | 0 (Low) | 3 (Low) | 8 | 8 |
| 17 | 3 (Low) | 0 (Low) | 50 (Medium) | 11 (Low) | 74 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 19 (Medium) | 0 (Low) | 3 (Low) | 79 (High) | 3 (Low) | 0 (Low) | 0 (Low) | 1 | 4 |
| 18 | 6 (Low) | 0 (Low) | 63 (Medium) | 7 (Low) | 72 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 22 (Medium) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 24 (Medium) | 0 (Low) | 3 (Low) | 148 (Very high) | 7 (Low) | 0 (Low) | 3 (Low) | 13 | 7 |
| 19 | 2 (Low) | 1 (Low) | 87 (High) | 13 (Low) | 154 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 3 (Low) | 70 (High) | 4 (Low) | 0 (Low) | 3 (Low) | 10 | 6 |
| 20 | 7 (Low) | 1 (Low) | 96 (High) | 9 (Low) | 569 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 8 (Low) | 215 (Very high) | 8 (Low) | 2 (Low) | 4 (Low) | 20 | 5 |
| 21 | 3 (Low) | 0 (Low) | 63 (Medium) | 6 (Low) | 414 (Very high) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 9 (Low) | 123 (Very high) | 4 (Low) | 4 (Low) | 6 (Low) | 15 | 6 |
| 22 | 2 (Low) | 0 (Low) | 23 (Low) | 3 (Low) | 307 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 3 (Low) | 38 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 1 | 8 |
| 23 | 2 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 48 (Low) | 0 (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) | 2 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 | 1 |
| 24 | 4 (Low) | 0 (Low) | 29 (Low) | 8 (Low) | 327 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 2 (Low) | 38 (Medium) | 3 (Low) | 0 (Low) | 2 (Low) | 2 | 5 |
| 25 | 1 (Low) | 0 (Low) | 56 (Medium) | 10 (Low) | 211 (High) | 0 (Low) | 24 (Medium) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 10 (Low) | 0 (Low) | 1 (Low) | 5 | 8 |
| 26 | 1 (Low) | 0 (Low) | 15 (Low) | 5 (Low) | 29 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 88 (High) | 0 (Low) | 2 (Low) | 29 (Medium) | 8 (Low) | 0 (Low) | 1 (Low) | 12 | 6 |
| 27 | 1 (Low) | 0 (Low) | 22 (Low) | 1 (Low) | 18 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 2 (Low) | 23 (Medium) | 1 (Low) | 0 (Low) | 2 (Low) | 38 | 4 |
| 28 | 1 (Low) | 0 (Low) | 46 (Medium) | 4 (Low) | 118 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 63 (High) | 0 (Low) | 6 (Low) | 38 (Medium) | 2 (Low) | 0 (Low) | 4 (Low) | 46 | 6 |
| 29 | 8 (Low) | 0 (Low) | 33 (Medium) | 8 (Low) | 205 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 30 (Medium) | 0 (Low) | 2 (Low) | 34 (Medium) | 1 (Low) | 0 (Low) | 8 (Low) | 23 | 4 |
| 30 | 12 (Low) | 0 (Low) | 50 (Medium) | 7 (Low) | 288 (High) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 73 (High) | 0 (Low) | 7 (Low) | 76 (High) | 3 (Low) | 0 (Low) | 14 (Low) | 21 | 8 |
| 31 | 6 (Low) | 0 (Low) | 45 (Medium) | 17 (Low) | 59 (Medium) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 240 (Very high) | 0 (Low) | 3 (Low) | 54 (High) | 5 (Low) | 0 (Low) | 2 (Low) | 63 | 4 |