| 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 | 803 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 21 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 101 (Very high) | 0 (Low) | 65 (High) | 1 (Low) | 33 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 |
| February | 503 (Very high) | 0 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 23 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 41 (Medium) | 0 (Low) | 112 (Very high) | 1 (Low) | 80 (High) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 1 |
| March | 171 (High) | 837 (Very high) | 12 (Low) | 3 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 24 (Medium) | 90 (High) | 8 (Low) | 16 (Medium) | 285 (Very high) | 1 (Low) | 107 (Very high) | 1 (Low) | 4 (Low) | 24 (Medium) | 6 |
| April | 5 (Low) | 816 (Very high) | 28 (Low) | 37 (Medium) | 7 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 1 (Low) | 96 (High) | 3 (Low) | 15 (Medium) | 30 (Medium) | 5 (Low) | 481 (Very high) | 13 (Low) | 4 (Low) | 24 (Medium) | 3 |
| May | 3 (Low) | 0 (Low) | 197 (Very high) | 38 (Medium) | 68 (Medium) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 9 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 27 (Medium) | 0 (Low) | 9 (Low) | 288 (Very high) | 29 (Medium) | 2 (Low) | 15 (Medium) | 1 |
| June | 8 (Low) | 1 (Low) | 155 (Very high) | 45 (Medium) | 122 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 7 (Low) | 6 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 75 (High) | 0 (Low) | 9 (Low) | 161 (Very high) | 51 (High) | 0 (Low) | 23 (Medium) | 5 |
| July | 2 (Low) | 0 (Low) | 314 (Very high) | 10 (Low) | 11 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 24 (Medium) | 6 (Low) | 0 (Low) | 3 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 18 (Medium) | 0 (Low) | 7 (Low) | 31 (Medium) | 9 (Low) | 0 (Low) | 7 (Low) | 3 |
| August | 1 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 12 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 4 |
| September | 2 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 16 (Medium) | 7 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 |
| October | 9 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 1 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 |
| November | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 |
| December | 73 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 |