Pollen Count in Bologne

• Wednesday 😩
  Birch: 23.4 g/m³
  Grass: 1704.2 g/m³
  Olive: 2 g/m³
  
• Thursday 😩
  Birch: 15.9 g/m³
  Grass: 1895 g/m³
  Olive: 1.6 g/m³
  
• Friday 😩
  Birch: 14.4 g/m³
  Grass: 1435.3 g/m³
  Olive: 2.9 g/m³
  
• See our chart for an hourly overview.

• 4-Day Chart
• Annual Overview

In Bologna, Italy, pollen seasons happen every year. Trees and grasses release pollen into the air. This starts in February with almond trees.

In March, hazelnut and birch trees release their pollen. This is the biggest pollen season. Many trees and grasses release pollen at the same time.

In May,grass and weeds release their pollen. This season is smaller than the one in March. Fewer trees release pollen in June and July.

In the fall, ragweed releases pollen from August to October. This is the last pollen season of the year. Then, the cycle starts again in February.