Pollen Count in Karlovac

4-Day Chart
Annual Overview

Karlovac has four distinct seasons. Spring brings new life to plants. Trees and flowers start to bloom. They release tiny particles called pollen into the air.

Updated: 2/9/2026

In Karlovac, tree pollen season starts in March. Many trees release pollen at this time. People notice yellow dust on cars and surfaces. It's a sign of pollen.

Grass and weed pollen season starts in May. It lasts through summer. Warm weather helps plants grow and release pollen. Pollen counts are usually high during this time.

By autumn, pollen counts decrease. Some plants still release pollen, but not as much. Winter brings calm and quiet to Karlovac. There's little to no pollen in the air.

Pollen Forecast Chart

Recommendations

When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).

Wear masks if necessary
Shower after going out
Wear sunglasses if windy
Close windows and doors
Use an indoor air purifier
Avoid wearing woolen clothes outside
Limit outdoor activities

Annual Pollen Overview

Check out this month-by-month overview of the daily average pollen count in Karlovac 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.

	Alder	Birch	Grass	Mugwort	Olive	Ragweed
Jan	80.7	0	0	0	0	0
Feb	262.2	0	0	0	0	0
Mar	9.8	1395.5	6.5	0	0.2	0
Apr	3.5	266.4	64.9	0	6.3	0
May	0.1	11.1	376.5	0	33.4	0
Jun	0	3.4	473.3	0	18	0
Jul	0	0.2	244.4	4.3	0.2	11.7
Aug	0	0	60.9	7	0	1103.4
Sep	0	0	7	3.3	0	713.9
Oct	0	0	0.2	0	0	0.3
Nov	0	0	0	0	0	0
Dec	0	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Karlovac is for educational purposes only, sourced from the CAMS European air quality database. We cannot guarantee its accuracy or reliability. This information is not a substitute for professional medical advice. Consult a qualified healthcare provider for medical concerns. We are not medical professionals.