The period with night frost is coming to an end. As a result, the grass pollen season will probably start this week.
That is less good news if you want to celebrate Liberation Day in the park, because according to Weeronline, that will be a day when hay fever patients can suffer a lot from pollen.
What can you do to control your hay fever? Read our tips against hay fever.
Source:Nu.nl | Image:Shutterstock