Pollen count in Leuven
-
Monday
😩
Alder: 3.7 g/m³
Birch: 3855 g/m³
-
Tuesday
😩
Alder: 8 g/m³
Birch: 4642.7 g/m³
-
Wednesday
😩
Alder: 24.4 g/m³
Birch: 6703.1 g/m³
- See our chart for an hourly overview.
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In Leuven, Belgium, trees start producing pollen in late March. This is the start of pollen season. Birch and oak trees release pollen into the air.
In April, grasses and weeds join in, releasing even more pollen. This makes pollen counts very high. People who react to pollen might start to feel symptoms.
In May, grasses and weeds release less pollen. Tree pollen is still present, but not as much as in April. Pollen counts start to go down.
By June, most trees and plants have stopped releasing pollen. Pollen counts are very low. The air is cleaner, and symptoms usually go away. Summer is pollen-free!
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 Leuven 🌾. 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 | 20.9 | 0 | 0 | 0 | 0 | 0 |
Feb | 61.4 | 0 | 0 | 0 | 0 | 0 |
Mar | 1.7 | 1015.7 | 0.1 | 0 | 0 | 0 |
Apr | 0.4 | 624 | 10.2 | 0 | 1.3 | 0 |
May | 0 | 10.8 | 91.4 | 0 | 3.8 | 0 |
Jun | 0 | 0.2 | 693 | 68.3 | 0 | 0 |
Jul | 0 | 0 | 291.5 | 348.1 | 0 | 0 |
Aug | 0 | 0 | 59.1 | 65.3 | 0 | 3.8 |
Sep | 0 | 0 | 4.3 | 3.2 | 0 | 10.7 |
Oct | 0 | 0 | 0.1 | 0.1 | 0 | 0 |
Nov | 0 | 0 | 0 | 0 | 0 | 0 |
Dec | 0 | 0 | 0 | 0 | 0 | 0 |