Budapest, 27 March 2015 - Is expected to increase the concentration of birch pollen in the air the weekend - told the National Public Health and Medical Officer Service (National Public Health Service) on Friday the Facebook page.

According to the forecast over the weekend primarily ash, yew and cypress and poplar pollen concentrations can be high in the air.
The amount of willow pollen is low, but sometimes can reach symptomatic moderate level. The alder, hazel and elm pollen scattering can be reduced, the amount of pollen across the country are expected to remain low.