Ventilation keeps your house healthy. The community of Zaltbommel wants to make its inhabitants aware of that. The cartoon is meant to draw attention. My translation: What's the matter? Should I call the fire brigade? - No. Family Jansen is airing their house.
Ventileren houdt je huis gezond. De gemeente Zaltbommel wil haar inwoners daar bewust van maken. De cartoon is bedoeld om de aandacht te trekken.