Ypsilanti pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Ypsilanti is low; ragweed is low. Tomorrow (10 August 2026) levels are similar - ragweed increasing, grass at low levels, mugwort at low levels. Over the following five days ragweed will increase; grass and mugwort 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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Set on the Huron River valley in southeast Michigan, Ypsilanti's landscape is defined by sugar maple and oak forest alongside riverside willow and farmland hedgerows, the main contributors to seasonal pollen exposure. Seasonal timing here follows the broader regional pattern typical of this part of the country. 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):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
15/100
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
13/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
22/100
-
Ragweed (Ambrosia):
Medium
43/100
Air quality in Ypsilanti
View air qualityFrequently Asked Questions
Is pollen high in Ypsilanti right now?
On 9 August 2026, overall pollen levels in Ypsilanti are low. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Ypsilanti tomorrow?
On 10 August 2026, pollen conditions in Ypsilanti will be different from today, with artemisia at low levels, grass at low levels and ambrosia increasing
Is pollen expected to decrease in Ypsilanti this week?
According to the five-day outlook, artemisia and grass pollen levels are expected to gradually decrease, while ambrosia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Ypsilanti?
On 9 August 2026, Ambrosia is the dominant pollen source in Ypsilanti. artemisia, cypress, and grass are not currently active.
When is pollen season in Ypsilanti?
How often is the Ypsilanti pollen forecast updated?
The Ypsilanti pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Ypsilanti 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 Ypsilanti 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 Ypsilanti, 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: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Ypsilanti.
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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.