Oakport pollen forecast — Longfellow neighborhood
Pollen Today
Today (20 September) pollen in Longfellow, Oakport is low; ragweed is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass, mugwort, and ragweed will increase.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Low | 14/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | — |
| Grass (Poaceae) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Low | 16/100 |
Local Environmental Conditions
Nearby, within the neighborhood's edge, hazel and willow take root along the waterway, both prolific contributors to early pollen counts. This area, not far from here, has oak and birch dominating the treeline, both heavy contributors to the spring pollen load. This area, within easy reach, has grass and ornamental trees within the park boundary contribute modestly to grass and ragweed levels.
Water-edge hazel and willow are usually the first allergenic trees active here, building through the tail end of winter into March. Oak and birch in the nearby woodland follow in mid-to-late spring, typically the year's sharpest tree-pollen spell, centered on April and May. Grass pollen climbs toward a June peak, with ragweed climbing to its own high point from mid-August through October.
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Frequently Asked Questions About Pollen in Minnesota
Is pollen high in Oakport right now?
On 20 September 2026, overall pollen levels in Oakport are low. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Oakport tomorrow?
On 21 September 2026, pollen conditions in Oakport will be similar to today, with ambrosia at low levels
Is pollen expected to decrease in Oakport this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels will increase later in the week.
Which pollen types are currently active in Oakport?
On 20 September 2026, Ambrosia is the dominant pollen source in Oakport. artemisia and grass are not currently active.
When is pollen season in Oakport?
How often is the Oakport pollen forecast updated?
The Oakport pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Oakport 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 Oakport 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 Oakport, 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.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
