This year's levels of alder and birch are at record highs. At the health centre in Norrahammar in Jönköping, the number of patients seeking care for allergy-related problems has increased from five to ten percent in one week.

Those that SVT talked to talk about a runny nose, itchy eyes and, above all, a fatigue that comes from the allergy. One group that can find it extra difficult at high pollen levels are people with asthma.