Grand Rapids pollen forecast — Heritage Hill Historic District neighborhood
Today (30 August) pollen in Heritage Hill Historic District, Grand Rapids is high; ragweed is high; grass is moderate; mugwort is low. Tomorrow (31 August 2026) levels are similar - grass remains moderate, ragweed remains high, mugwort increasing. 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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Located a short trip out, around 400m, this area has maintained parkland where turf grass and ornamental species add to the grass and ragweed mix. Local microclimate and soil conditions can push these figures slightly higher or lower. The broader area tends to mirror this pattern, with only minor local variation.
Today - 30 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Moderate
31/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
20/100
-
Ragweed (Ambrosia):
High
70/100
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 - 31 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Moderate
44/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Moderate
31/100
-
Ragweed (Ambrosia):
High
70/100
Other Landmarks in Grand Rapids
Sports venues in Grand Rapids
Frequently Asked Questions
Is pollen high in Grand Rapids right now?
On 30 August 2026, overall pollen levels in Grand Rapids are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Grand Rapids tomorrow?
On 31 August 2026, pollen conditions in Grand Rapids will be different from today, with ambrosia at high levels, grass at moderate levels and artemisia increasing
Is pollen expected to decrease in Grand Rapids this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Grand Rapids?
On 30 August 2026, Ambrosia is the dominant pollen source in Grand Rapids. grass and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Grand Rapids?
How often is the Grand Rapids pollen forecast updated?
The Grand Rapids pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Grand Rapids 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 Grand Rapids 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 Grand Rapids, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Heritage Hill Historic District, Grand Rapids.
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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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.