Pollen Count in Bologna

4-Day Chart
Annual Overview

In Bologna, there are three main pollen seasons. The first one starts in February and lasts until April. This is when trees like hazelnut, alder, and birch release their pollen.

Updated: 2/9/2026

The second pollen season is from May to June. This is when grasses release their pollen. It's a problem for people who are sensitive to grass pollen.

In July and August, there's a short pollen season from weeds like ragweed and sagebrush. This one is not as bad as the others, but it can still cause problems.

The worst pollen season in Bologna is from March to May. This is when trees and grasses release their pollen at the same time. It's a tough time for people who are sensitive to pollen.

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 Bologna 🌾. 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	0.7	0	0	0	0	0
Feb	18	0	1.5	0	0	0
Mar	86.1	103.1	25.4	0	0	0
Apr	66.4	203.4	145.7	0	8.7	0
May	1.4	42	660.3	0	43.6	0
Jun	0.5	22.8	783	0	79.9	0
Jul	0	0.2	270.7	8.3	0.2	0.1
Aug	0	0	94.2	227	0	36.6
Sep	0	0	18.7	88.7	0	12.9
Oct	0	0	4.5	13.5	0	0
Nov	0	0	0.2	0	0	0
Dec	0	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Bologna 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.