Nature Today warns that hay fever patients face a difficult spring following an exceptionally early start to the pollen season. Recent data show a record-high concentration of alder pollen, while levels of ash, poplar, elm, and hornbeam pollen have also been high.
According to researchers from the LUMC in Leiden, Elkerliek Hospital in Helmond, and Wageningen University & Research (WUR), ash trees are currently the primary cause of health complaints. Biologist Arnold van Vliet noted that ash pollen concentrations recently exceeded 300 grains per cubic metre of air. Over the last fifty years, such high levels have only been recorded three times this early in March.
The experts also warned that the peak period for birch pollen may begin as early as next week. They advise patients to take medication on time to prevent severe allergic reactions. Due to climate change, flowering seasons are starting earlier, extending the period during which people experience symptoms such as sneezing, watery eyes, and a runny nose.
To manage symptoms, Elkerliek Hospital suggests several practical steps. Residents are encouraged to shower before bed to wash pollen from their hair and keep pillows clean. It is also recommended to wash clothes regularly and avoid drying them outdoors. Finally, applying a small amount of petroleum jelly inside the nose can help trap pollen grains before they reach the mucous membranes.
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