| Month | 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 | Unidentified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| January | 374 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 14 (Low) | 0 (Low) | 35 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 |
| February | 59 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 115 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 2 |
| March | 45 (Medium) | 34 (Medium) | 8 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 12 (Low) | 802 (Very high) | 3 (Low) | 7 (Low) | 15 (Medium) | 2 (Low) | 4 (Low) | 3 (Low) | 1 (Low) | 3 (Low) | 55 |
| April | 17 (Low) | 244 (High) | 22 (Low) | 29 (Medium) | 8 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 10 (Low) | 0 (Low) | 0 (Low) | 697 (Very high) | 0 (Low) | 80 (High) | 33 (Medium) | 2 (Low) | 114 (Very high) | 5 (Low) | 43 (Medium) | 4 (Low) | 822 |
| May | 24 (Low) | 2 (Low) | 92 (High) | 47 (Medium) | 63 (Medium) | 1 (Low) | 38 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 27 (Medium) | 0 (Low) | 35 (Medium) | 1 (Low) | 4 (Low) | 111 (Very high) | 17 (Medium) | 1 (Low) | 1 (Low) | 237 |
| June | 71 (Medium) | 4 (Low) | 176 (Very high) | 53 (High) | 117 (Medium) | 0 (Low) | 17 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 6 (Low) | 0 (Low) | 12 (Low) | 3 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 179 (Very high) | 0 (Low) | 11 (Low) | 133 (Very high) | 38 (Medium) | 0 (Low) | 17 (Medium) | 119 |
| July | 6 (Low) | 0 (Low) | 260 (Very high) | 6 (Low) | 11 (Low) | 0 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 23 (Medium) | 8 (Low) | 0 (Low) | 2 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 11 (Low) | 15 (Medium) | 7 (Low) | 0 (Low) | 6 (Low) | 19 |
| August | 1 (Low) | 0 (Low) | 9 (Low) | 7 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 26 (Medium) | 5 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 9 |
| September | 1 (Low) | 0 (Low) | 9 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 30 (Medium) | 8 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 6 |
| October | 19 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 6 |
| November | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 |
| December | 104 (High) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 |