Pierre pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Pierre is medium; ragweed is medium; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar - grass remains low, ragweed remains medium, mugwort increasing. Over the following five days mugwort and ragweed will increase; grass will decrease. 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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Pierre's setting on the Missouri River valley at the state's center supports cottonwood along the river, shortgrass prairie, and farmland crops 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 Pierre. Microclimates within the area can shift the timing slightly from one neighborhood to the next.
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):
Low
16/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
20/100
-
Ragweed (Ambrosia):
Medium
32/100
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
20/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
29/100
-
Ragweed (Ambrosia):
Medium
40/100
Air quality in Pierre
View air qualityFrequently Asked Questions
Is pollen high in Pierre right now?
On 9 August 2026, overall pollen levels in Pierre are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Pierre tomorrow?
On 10 August 2026, pollen conditions in Pierre will be different from today, with grass at low levels, ambrosia at medium levels and artemisia increasing
Is pollen expected to decrease in Pierre this week?
According to the five-day outlook, grass pollen levels are expected to gradually decrease, while artemisia and ambrosia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Pierre?
On 9 August 2026, Ambrosia is the dominant pollen source in Pierre. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Pierre?
How often is the Pierre pollen forecast updated?
The Pierre pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Pierre 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 Pierre 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 Pierre, 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 Pierre.
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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.