Pollen Count in Maarssen

• Thursday 😩
  Grass: 724.6 g/m³
  Mugwort: 8.2 g/m³
  
• Friday 😩
  Grass: 1121.9 g/m³
  Mugwort: 10.2 g/m³
  
• Saturday 🤧
  Grass: 71.3 g/m³
  Mugwort: 0.3 g/m³
  
• See our chart for an hourly overview.

• 4-Day Chart
• Annual Overview

Maarssen has different pollen seasons. Tree pollen starts in March. It's the worst in April and May. Trees like oak, birch, and alder produce a lot of pollen.

Grass pollen season starts in May. It's usually the worst in June and July. Grasses produce a lot of pollen. This makes people feel icky outside.

Weed pollen season starts in July. It lasts until September. Weeds like ragweed and nettle produce pollen. This pollen can travel far.

Pollen counts are usually low in winter. They go up in spring and summer. The counts depend on the weather. Rain can wash pollen away.