Pollen count in Leiria

• Thursday 🤧
  Alder: 0.6 g/m³
  Birch: 61.7 g/m³
  Grass: 145 g/m³
  Olive: 857.7 g/m³
  
• Friday 🤧
  Birch: 7.5 g/m³
  Grass: 48.7 g/m³
  Olive: 103 g/m³
  
• Saturday 🤧
  Birch: 10.1 g/m³
  Grass: 74 g/m³
  Olive: 143.1 g/m³
  
• See our chart for an hourly overview.

• 4-Day Chart
• Annual Overview

In Leiria, Portugal, there are three main pollen seasons. Each season brings different types of pollen into the air.

The first pollen season starts in January and ends in March. This is when trees like olive, oak, and cypress release their pollen. During this time, the air is filled with tree pollen.

The second pollen season begins in May and lasts until July. This is when grasses and weeds release their pollen. You can see the yellow dust on cars and streets.

The third pollen season starts in August and ends in October. This is when plants like ragweed and nettle release their pollen. This is the shortest pollen season in Leiria.

Chart

Recommendations

When pollen counts are high, we suggest doing these things to help with allergies, especially on windy days when pollen is flying around.

• 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 Leiria 🌾. 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.

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