Brønnøysund pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Brønnøysund is high; cypress is high; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar - cypress declining. Over the following five days cypress and mugwort will increase; grass will remain stable. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Brønnøysund is a small Nordland coastal town in Brønnøy municipality on the Helgeland coast where birch, alder, and coastal farmland vegetation are the main local pollen sources. The Norwegian Sea coastal position means onshore winds can periodically disperse pollen, while the subarctic Atlantic climate provides regular rainfall interruptions and birch peaks through May before grass from surrounding Helgeland farmland contributes through June and July throughout.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
High
55/100
-
Grass (Poaceae):
Low
3/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
9/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Medium
46/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
Air quality in Brønnøysund
View air qualityFrequently Asked Questions
Is pollen high in Brønnøysund right now?
On 9 August 2026, overall pollen levels in Brønnøysund are high. Cypress is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Brønnøysund tomorrow?
On 10 August 2026, pollen conditions in Brønnøysund will be different from today, with cypress continuing to decline
Is pollen expected to decrease in Brønnøysund this week?
According to the five-day outlook, artemisia and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Brønnøysund?
On 9 August 2026, Cypress is the dominant pollen source in Brønnøysund. artemisia and grass are also present but at lower levels. hazel and willow are not currently active.
When is pollen season in Brønnøysund?
How often is the Brønnøysund pollen forecast updated?
The Brønnøysund pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Brønnøysund come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Brønnøysund based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Brønnøysund, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Want to see pollen forecasts for other cities in Norway?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Brønnøysund.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.