Estes Park pollen forecast — Rocky Mountain National Park neighborhood
Today (21 July) pollen in Rocky Mountain National Park, Estes Park is medium; grass and ragweed are medium; oak is low. Tomorrow (22 July 2026) levels are similar - grass remains medium, ragweed declining. Over the following five days grass and ragweed will increase; oak will remain stable. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Rocky Mountain National Park is a rocky Mountain gateway with lodgepole pine, aspen, and willow along the Big Thompson River. Pollen season is compressed into June and July at elevation. Aspen groves shimmer gold in fall, by which time pollen is done.
Today - 21 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
49/100
-
Oak (Quercus):
Low
11/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Medium
30/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 22 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
29/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
11/100
Other Landmarks in Estes Park
Frequently Asked Questions
Is pollen high in Estes Park right now?
On 21 July 2026, overall pollen levels in Estes Park are moderate. Ambrosia is the main contributor to airborne pollen, while grass and oak remain at lower levels
Will pollen levels change in Estes Park tomorrow?
On 22 July 2026, pollen conditions in Estes Park will be different from today, with grass at medium levels and ambrosia continuing to decline
Is pollen expected to decrease in Estes Park this week?
According to the five-day outlook, ambrosia and grass pollen levels will increase later in the week.
Which pollen types are currently active in Estes Park?
On 21 July 2026, Ambrosia is the dominant pollen source in Estes Park. grass and oak are also present but at lower levels. willow, alder, artemisia, birch, and cypress are not currently active.
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.
Want to see pollen forecasts for other cities in United States?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 21 July 2026 at 05:44 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Rocky Mountain National Park, Estes Park.
For long term forecasts and maps, see the Airmine app
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.