All official European Union website addresses are in the europa.eu domain.
See all EU institutions and bodiesThe colours on the map show the inferential distribution of the daily mean pollen
concentration categories of the entire ragweed season by settlements (HAN).
The level of warning resp. the 3 levels of alert are shown. The 'very high'
concentration category, meaning 'worsening symptoms, in some cases with extremely
high daily concentration producing serious symptoms' was very typical in the central, eastern and southern part of Hungary.
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