Grand Marais pollen forecast - today, tomorrow and the week ahead
Today (16 July) pollen in Grand Marais is medium; grass is medium; oak and ragweed are low. Tomorrow (17 July 2026) levels are similar. Over the following five days ragweed will increase; grass and oak will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
The vegetation around Grand Marais, on a remote Lake Superior shoreline town in the Upper Peninsula, is dominated by northern white cedar and paper birch, with dune grass adding further seasonal pollen exposure. Wind patterns across the area help determine how far pollen travels from these source plants. Microclimates within the area can shift the timing slightly from one neighborhood to the next.
Today - 16 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
44/100
-
Oak (Quercus):
Low
6/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
9/100
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 - 17 July
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
41/100
-
Oak (Quercus):
Low
5/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Ragweed (Ambrosia):
Low
9/100
Air quality in Grand Marais
View air qualityFrequently Asked Questions
Is pollen high in Grand Marais right now?
On 16 July 2026, overall pollen levels in Grand Marais are moderate. Grass is the main contributor to airborne pollen, while oak and ambrosia remain at lower levels
Will pollen levels change in Grand Marais tomorrow?
On 17 July 2026, pollen conditions in Grand Marais will be similar to today, with oak at low levels, ambrosia at low levels, grass at medium levels
Is pollen expected to decrease in Grand Marais this week?
According to the five-day outlook, oak 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 Grand Marais?
On 16 July 2026, Grass is the dominant pollen source in Grand Marais. oak and ambrosia are also present but at lower levels. willow, alder, artemisia, birch, and cypress are not currently active.
When is pollen season in Grand Marais?
How often is the Grand Marais pollen forecast updated?
The Grand Marais pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Grand Marais 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 Marais 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 Marais, 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: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Grand Marais.
For long term forecasts and maps, see the Airmine app
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.