Estes Park pollen forecast — Chasm Falls neighborhood
Pollen Today
Today (20 September) pollen in Chasm Falls, Estes Park is none
Pollen Tomorrow
Tomorrow (21 September 2026) mugwort at low levels, ragweed at low levels.
7-Day Trend
Over the next week mugwort will increase; ragweed will decrease; grass will remain stable.
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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) | None | 0/100 |
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) | Low | 5/100 | |
| Ragweed (Ambrosia) | Low | 10/100 |
Local Environmental Conditions
Located in the surrounding area, this area has willow and aspen crowd the water's edge, typical of the Rockies' montane riparian corridors. Here, within the neighborhood's edge, this patch of forest is largely lodgepole pine and subalpine fir, characteristic of the surrounding mountains. Year-to-year swings in rainfall and wind can shift this picture somewhat either way.
Average temperatures range from about -9°C in January to 18°C in July, and the 528 mm annual rainfall is spread fairly evenly across the year. Expect pollen activity to start building from around February, tracking the rise in temperature out of the January low.
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Pollen forecast neighborhoods 26 neighborhoods
Frequently Asked Questions About Pollen in Colorado
Is pollen high in Estes Park right now?
Currently, there is no significant pollen in Estes Park.
Will pollen levels change in Estes Park tomorrow?
On 21 September 2026, pollen conditions in Estes Park will be different from today, with ambrosia at low levels, artemisia at low levels
Is pollen expected to decrease in Estes Park this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, while artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Estes Park?
On 20 September 2026, there are no significant pollen types in Estes Park.
When is pollen season in Estes Park?
How often is the Estes Park pollen forecast updated?
The Estes Park pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Estes Park 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 Estes Park 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 Estes Park, 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).
