Trondheim, Norway Pollen Forecast
Summary of the forecasted pollen levels in Trondheim, Norway
The overall pollen levels in Trondheim are high, with birch and tree pollen being the main contributors. Pollen counts are expected to be moderate in the north and southeast, while slightly lower in the southwest and northwest areas of Trondheim.
The pollen season for birch and other tree species is ongoing and expected to decrease in the coming days. Levels of pine, cypress and alder pollen are also present at moderate levels.
What's in the air in Trondheim
Pollen types found in this area throughout the year and their typical risk level.
- HighBirch
- HighPine family
- HighAsh
- HighBirch family
- HighCypress
- ModerateSpruce
- ModerateWillow
- ModeratePoplar
- ModerateElm
This week's biggest contributors
The pollen types with the highest measured levels this week.
- HighBirch432.0 grains/m³
- HighPine family166.0 grains/m³
- HighAsh150.0 grains/m³
- HighBirch family143.0 grains/m³
- HighCypress132.0 grains/m³
- ModerateSpruce69.0 grains/m³
- ModerateWillow55.0 grains/m³
- ModeratePoplar49.0 grains/m³
- ModerateElm43.0 grains/m³
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7-Day Forecast
This forecast represents the expected pollen levels in the area surrounding the selected location.
| Date | Pollen Type | Level |
|---|---|---|
| 2026-05-21 | Grass Pollen | Low |
| 2026-05-22 | Grass Pollen | Low |
| 2026-05-23 | Grass Pollen | Low |
| 2026-05-24 | Grass Pollen | Low |
| 2026-05-25 | Grass Pollen | Low |
| 2026-05-26 | Grass Pollen | Low |
| 2026-05-27 | Grass Pollen | Low |
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