| Type | Value (grains/m³) | Level |
|---|---|---|
| Plantain * | 0 | Low |
| Olive * | 0 | Low |
| Birch | 1 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 28 | Medium |
| Mugwort | 0 | Low |
| Composites | 0 | Low |
| Hazel | 0 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 5 | Low |
| Mulberry | 0 | Low |
| Elm | 2 | Low |
| Pine | 0 | Low |
| Poplar | 114 | Very high |
| Oak | 84 | High |
| Sorrel | 3 | Low |
| Willow | 0 | Low |
| Nettle | 45 | Medium |
| Other | 3 | No data |
| Unidentified | 12 | No data |