| 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 | 844 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 11 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 71 (High) | 0 (Low) | 108 (Very high) | 1 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 |
| February | 1,305 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 25 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 46 (Medium) | 0 (Low) | 464 (Very high) | 1 (Low) | 62 (High) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) | 6 (Low) | 2 |
| March | 269 (Very high) | 5,680 (Very high) | 26 (Low) | 4 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 7 (Low) | 0 (Low) | 34 (Medium) | 90 (High) | 24 (Medium) | 350 (Very high) | 357 (Very high) | 0 (Low) | 48 (Medium) | 2 (Low) | 10 (Low) | 32 (Medium) | 105 |
| April | 5 (Low) | 7,949 (Very high) | 19 (Low) | 56 (High) | 8 (Low) | 4 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 54 (High) | 0 (Low) | 0 (Low) | 174 (Very high) | 4 (Low) | 379 (Very high) | 40 (Medium) | 5 (Low) | 1,257 (Very high) | 11 (Low) | 1 (Low) | 11 (Low) | 25 |
| May | 7 (Low) | 11 (Low) | 92 (High) | 32 (Medium) | 68 (Medium) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 9 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 140 (Very high) | 0 (Low) | 6 (Low) | 277 (Very high) | 17 (Medium) | 2 (Low) | 18 (Medium) | 34 |
| June | 45 (Medium) | 0 (Low) | 122 (High) | 49 (Medium) | 107 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 4 (Low) | 0 (Low) | 40 (Medium) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 116 (Very high) | 0 (Low) | 19 (Medium) | 194 (Very high) | 58 (High) | 0 (Low) | 20 (Medium) | 14 |
| July | 9 (Low) | 0 (Low) | 118 (High) | 18 (Low) | 11 (Low) | 0 (Low) | 20 (Medium) | 0 (Low) | 0 (Low) | 1 (Low) | 23 (Medium) | 15 (Medium) | 0 (Low) | 12 (Low) | 6 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 16 (Medium) | 0 (Low) | 15 (Medium) | 23 (Medium) | 9 (Low) | 0 (Low) | 8 (Low) | 13 |
| August | 9 (Low) | 0 (Low) | 11 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 9 (Low) | 5 (Low) | 0 (Low) | 5 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 26 (Medium) | 13 (Low) | 1 (Low) | 0 (Low) | 6 (Low) | 5 |
| September | 7 (Low) | 0 (Low) | 6 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 6 (Low) | 3 (Low) | 1 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 36 (Medium) | 8 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 4 |
| October | 25 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 3 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 4 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 |
| November | 2 (Low) | 0 (Low) | 1 (Low) | 2 (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) | 2 (Low) | 0 (Low) | 4 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 2 |
| December | 27 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) | 5 (Low) | 0 (Low) | 0 (Low) | 2 (Low) | 1 |