Weiser pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Weiser is medium; mugwort is medium; ragweed is low. Tomorrow (10 August 2026) levels are similar - mugwort remains medium, ragweed remains low, grass at low levels. 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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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Weiser's setting on an orchard-and-farm valley along the Snake and Weiser Rivers supports irrigated orchard rows, riverside cottonwood, and sagebrush foothills as the leading local vegetation, all factoring into the pollen count through the year. This mix of plant life is fairly typical for the wider area around Weiser. Nearby towns with similar terrain tend to see a broadly similar pattern.
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):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
27/100
-
Ragweed (Ambrosia):
Low
1/100
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):
Low
2/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
45/100
-
Ragweed (Ambrosia):
Low
19/100
Air quality in Weiser
View air qualityPollen forecast for neighborhoods and landmarks in Weiser
Frequently Asked Questions
Is pollen high in Weiser right now?
On 9 August 2026, overall pollen levels in Weiser are moderate. Artemisia is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Weiser tomorrow?
On 10 August 2026, pollen conditions in Weiser will be different from today, with grass at low levels, ambrosia at low levels, artemisia at medium levels
Is pollen expected to decrease in Weiser 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 Weiser?
On 9 August 2026, Artemisia is the dominant pollen source in Weiser. ambrosia are also present but at lower levels. grass and cypress are not currently active.
When is pollen season in Weiser?
How often is the Weiser pollen forecast updated?
The Weiser pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Weiser 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 Weiser 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 Weiser, 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 Weiser.
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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.