Pollen Count in Sundsvall

• Saturday 🤧
  Birch: 3.3 g/m³
  Grass: 89.2 g/m³
  Mugwort: 46.6 g/m³
  
• Sunday 🤧
  Birch: 0.3 g/m³
  Grass: 65.5 g/m³
  Mugwort: 70.7 g/m³
  
• Monday 🤧
  Birch: 0.3 g/m³
  Grass: 151.7 g/m³
  Mugwort: 85.9 g/m³
  
• See our chart for an hourly overview.

• 4-Day Chart
• Annual Overview

Sundsvall has four main pollen seasons. Tree pollen starts in March. Many trees release pollen at this time. It's one of the earliest pollen seasons.

Grass pollen season starts in May. It's usually the worst pollen season. Grass pollen is very common in Sundsvall. Many people feel bad during this time.

Weed pollen season starts in July. It's not as bad as grass pollen. Weeds like ragweed and nettle release pollen. Some people still feel unwell.

Birch pollen season can overlap with others. It usually ends in May. People who visit forests may breathe in birch pollen. Pollen counts can be high then.