Silvis pollen forecast — Watertown neighborhood
Today (9 August) pollen in Watertown, Silvis is medium; ragweed is medium; grass and mugwort are low. Tomorrow (10 August 2026) levels are similar. Over the following five days grass, mugwort, and ragweed 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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Watertown — Here, barely 158 meters away, hazel and willow line the water's edge, releasing pollen that carries easily on the wind. Here, at around 273m distant, forest where oak and birch make up much of the canopy, driving spring pollen counts. Located at around 341m distant, this area has green space with maintained lawn and planted trees, both contributing to grass and ragweed counts.
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
14/100
-
Ragweed (Ambrosia):
Medium
42/100
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
19/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
18/100
-
Ragweed (Ambrosia):
Medium
47/100
Other Landmarks in Silvis
Sports venues in Silvis
Frequently Asked Questions
Is pollen high in Silvis right now?
On 9 August 2026, overall pollen levels in Silvis are moderate. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Silvis tomorrow?
On 10 August 2026, pollen conditions in Silvis will be similar to today, with artemisia at low levels, grass at low levels, ambrosia at medium levels
Is pollen expected to decrease in Silvis this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Silvis?
On 9 August 2026, Ambrosia is the dominant pollen source in Silvis. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Silvis?
How often is the Silvis pollen forecast updated?
The Silvis pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Silvis 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 Silvis 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 Silvis, 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?
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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 Watertown, Silvis.
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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.