Strömstad pollen forecast - today, tomorrow and the week ahead

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

On 17 July 2026, pollen conditions in Strömstad will be different from today, with grass, cypress continuing to decline

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

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

Strömstad's pollen season runs from February through August, opening with alder from February before birch peaks strongly through May. June and July then belong to grass pollen, which builds steadily as birch fades. Sitting close to the rocky Bohuslän archipelago, Strömstad sees pollen counts that can rise or fall quickly with changing weather fronts. The regional mix of oak forest and farmland means pollen rarely disappears abruptly, tapering instead through August.

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

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.

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 Strömstad, 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.