Riverdale pollen forecast — Joe Louis "The Champ" Golf Course neighborhood
Pollen Today
Today (20 September) pollen in Joe Louis "The Champ" Golf Course, Riverdale is moderate; ragweed is moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) grass remains low, ragweed declining.
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) | Low | 24/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 29/100 |
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 | 8/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Low | 13/100 |
Local Environmental Conditions
Water here is bordered by hazel and willow, both notable sources of wind-borne pollen; this sits within the neighborhood's edge. Forest where oak and birch make up much of the canopy, driving spring pollen counts; this sits close to this spot. A stretch of mown parkland where turf and ornamental trees feed local grass and ragweed pollen; this sits close to home here.
Along the waterway, hazel and willow release pollen first, peaking in late winter through March. Oak and birch in the woods pick up where the earlier species leave off, reaching its high point through April and into May. Grass pollen rises through late spring toward a June high point, with ragweed climbing to its own high point from mid-August through October.
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Resource Hub
Pollen forecast neighborhoods 1 neighborhood
Sports venues in Riverdale 1 sports venue
Frequently Asked Questions About Pollen in Illinois
Is pollen high in Riverdale right now?
On 20 September 2026, overall pollen levels in Riverdale are moderate. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Riverdale tomorrow?
On 21 September 2026, pollen conditions in Riverdale will be different from today, with grass at low levels and ambrosia continuing to decline
Is pollen expected to decrease in Riverdale this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Riverdale?
On 20 September 2026, Ambrosia is the dominant pollen source in Riverdale. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Riverdale?
How often is the Riverdale pollen forecast updated?
The Riverdale pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Riverdale 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 Riverdale 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 Riverdale, 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).
