Dillon pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Dillon is medium; grass and ragweed are medium; mugwort is low. Tomorrow (10 August 2026) levels are similar - grass increasing, mugwort increasing, ragweed increasing. Over the following five days grass, mugwort, and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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Dillon sits on the Beaverhead Valley in southwest Montana, where the dominant vegetation is a mix of sagebrush steppe, cottonwood along the river, and mountain grasses, shaping the local pollen profile across the seasons. Seasonal timing here follows the broader regional pattern typical of this part of the country. Small local variations aside, this pattern holds fairly steady from year to year.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
37/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
13/100
-
Ragweed (Ambrosia):
Medium
34/100
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 - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
High
51/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
35/100
-
Ragweed (Ambrosia):
High
52/100
Air quality in Dillon
View air qualityFrequently Asked Questions
Is pollen high in Dillon right now?
On 9 August 2026, overall pollen levels in Dillon are moderate. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Dillon tomorrow?
On 10 August 2026, pollen conditions in Dillon will be different from today, with ambrosia, artemisia, grass increasing
Is pollen expected to decrease in Dillon 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 Dillon?
On 9 August 2026, Ambrosia is the dominant pollen source in Dillon. grass and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Dillon?
How often is the Dillon pollen forecast updated?
The Dillon pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Dillon 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 Dillon 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 Dillon, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Dillon.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.