Palos Township pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Palos Township is moderate; grass is moderate; ragweed is low.
Pollen Tomorrow
Tomorrow (21 September 2026) grass declining, ragweed no longer expected.
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) | Moderate | 37/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Low | 13/100 |
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) | Low | 20/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | None | 0/100 |
Local Environmental Conditions
In Palos Township, hazel and willow take root along the nearby bank, prolific early pollinators. Palos Township has oak and birch grow thick in nearby forest cover; birch is a notorious spring allergen. In Palos Township, a nearby park adds a modest grass and ragweed pollen load from its lawns and trees. Small elevation or soil differences can shift these figures a bit.
Waterside hazel and willow bloom first, cresting most years in February or March. Oak and birch pick up the pace next, hitting their high point in April or May. Grass pollen tops out in June. Ragweed then dominates from mid-August through October. The order of species stays steady, even if exact dates shift.
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Frequently Asked Questions About Pollen in Illinois
Is pollen high in Palos Township right now?
On 20 September 2026, overall pollen levels in Palos Township are moderate. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Palos Township tomorrow?
On 21 September 2026, pollen conditions in Palos Township will be different from today, with grass continuing to decline
Is pollen expected to decrease in Palos Township this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Palos Township?
On 20 September 2026, Grass is the dominant pollen source in Palos Township. ambrosia are also present but at lower levels. artemisia are not currently active.
When is pollen season in Palos Township?
How often is the Palos Township pollen forecast updated?
The Palos Township pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Palos Township 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 Palos Township 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 Palos Township, 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).