Lillestrøm kommune pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Lillestrøm kommune is medium; cypress and grass are medium. Tomorrow (17 July 2026) levels are similar. Over the following five days cypress and grass will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Centred on the Lillestrøm area of the Romerike plain, Lillestrøm opens the pollen season with hazel from January before birch peaks through April and May. Grass from surrounding farmland peaks through June and July before mugwort extends exposure into September. The Glomma River corridor concentrates pollen under calm conditions, while the relatively dry southeastern Norwegian climate means fewer rainfall interruptions than in western Norway throughout.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Medium

    50/100

  • Grass (Poaceae):

    Medium

    48/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

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 - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Medium

    36/100

  • Grass (Poaceae):

    Medium

    33/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

Air quality in Lillestrøm kommune

View air quality

Frequently Asked Questions

Is pollen high in Lillestrøm kommune right now?

On 16 July 2026, overall pollen levels in Lillestrøm kommune are moderate. Grass is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Lillestrøm kommune tomorrow?

On 17 July 2026, pollen conditions in Lillestrøm kommune will be similar to today, with grass at medium levels, cypress at medium levels

Is pollen expected to decrease in Lillestrøm kommune this week?

According to the five-day outlook, grass, artemisia, and cypress pollen levels will increase later in the week.

Which pollen types are currently active in Lillestrøm kommune?

On 16 July 2026, Grass is the dominant pollen source in Lillestrøm kommune. cypress are also present but at lower levels. willow, alder, artemisia, birch, and hazel are not currently active.

When is pollen season in Lillestrøm kommune?
For Lillestrøm kommune, the pollen season begins in February and continues through August, with the first releases of alder and hazel beginning in February, with birch reaching its clearest peak through May. Grass pollen picks up next across June and July. With the suburban parks and nearby farmland around Lillestrøm kommune, the local climate shapes a season that runs a little differently than the Norwegian average.
How often is the Lillestrøm kommune pollen forecast updated?

The Lillestrøm kommune pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Lillestrøm kommune 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 Lillestrøm kommune 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 Lillestrøm kommune, 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: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Lillestrøm kommune.

For long term forecasts and maps, see the Airmine app

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.