| 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 | 955 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 13 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 209 (Very high) | 0 (Low) | 36 (Medium) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 |
| February | 710 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 17 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 32 (Medium) | 0 (Low) | 241 (Very high) | 2 (Low) | 39 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 43 (Medium) | 4 |
| March | 460 (Very high) | 1,919 (Very high) | 22 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 4 (Low) | 1 (Low) | 14 (Low) | 55 (High) | 5 (Low) | 22 (Medium) | 66 (High) | 0 (Low) | 73 (High) | 2 (Low) | 4 (Low) | 28 (Medium) | 10 |
| April | 9 (Low) | 1,485 (Very high) | 16 (Low) | 43 (Medium) | 4 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 2 (Low) | 6 (Low) | 0 (Low) | 2 (Low) | 110 (Very high) | 1 (Low) | 62 (High) | 14 (Low) | 14 (Low) | 946 (Very high) | 13 (Low) | 5 (Low) | 26 (Medium) | 27 |
| May | 9 (Low) | 8 (Low) | 204 (Very high) | 55 (High) | 85 (Medium) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 4 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 60 (High) | 0 (Low) | 7 (Low) | 433 (Very high) | 38 (Medium) | 2 (Low) | 31 (Medium) | 27 |
| June | 36 (Medium) | 37 (Medium) | 205 (Very high) | 94 (High) | 119 (Medium) | 1 (Low) | 14 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 16 (Medium) | 0 (Low) | 5 (Low) | 16 (Medium) | 0 (Low) | 4 (Low) | 14 (Low) | 228 (Very high) | 14 (Low) | 17 (Medium) | 210 (Very high) | 66 (High) | 7 (Low) | 33 (Medium) | 28 |
| July | 5 (Low) | 0 (Low) | 199 (Very high) | 16 (Low) | 9 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 10 (Low) | 0 (Low) | 0 (Low) | 28 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 12 (Low) | 0 (Low) | 11 (Low) | 16 (Medium) | 9 (Low) | 0 (Low) | 9 (Low) | 20 |
| August | 2 (Low) | 1 (Low) | 7 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 22 (Medium) | 2 (Low) | 1 (Low) | 0 (Low) | 3 (Low) | 9 |
| September | 2 (Low) | 3 (Low) | 3 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 3 (Low) | 12 (Low) | 2 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 3 |
| October | 37 (Medium) | 3 (Low) | 3 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 5 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 |
| November | 1 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 |
| December | 64 (Medium) | 1 (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) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 |