| Type | Value (grains/m³) | Level |
|---|---|---|
| Plantain (Allergenic) | 0 | Low |
| Olive (Allergenic) | 0 | Low |
| Birch | 1 | Low |
| Privet | 0 | Low |
| Alder | 2 | Low |
| Maple | 35 | Medium |
| Mugwort | 0 | Low |
| Composites | 0 | Low |
| Hazel | 1 | Low |
| Heather | 0 | Low |
| Eucalyptus | 0 | Low |
| Ash | 1 | Low |
| Mulberry | 22 | Medium |
| Elm | 0 | Low |
| Pine | 1 | Low |
| Poplar | 98 | High |
| Oak | 1 | Low |
| Sorrel | 0 | Low |
| Willow | 10 | Low |
| Nettle | 15 | Medium |
| Other | 1 | No data |
| Unidentified | 2 | No data |
Allergenic