Pollen Level
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Air Quality
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Gathering pollen, air quality, and weather data for you.
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Pollen Level
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Air Quality
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Gathering pollen, air quality, and weather data for you.
Gathering pollen, air quality, and weather data for you.
Pollen Level
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Air Quality
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Weather
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Grand Rapids's allergy season is compressed but intense, running from April through October. The flat, agricultural landscape around Grand Rapids, MI produces significant grass and ragweed pollen during peak months.
Right now: May is the overlap month in Grand Rapids — tree pollen fading as grass pollen surges. Double exposure for allergy sufferers.
Spring
Apr – May
Tree pollen season is short but intense — oak, elm, and ash dominate.
Summer
May – Jul
Grass pollen peaks in June. Agricultural regions see elevated counts.
Fall
Aug – Oct
Ragweed is the dominant allergen. The Midwest is a major ragweed zone.
The flat terrain near Grand Rapids allows pollen to travel long distances on the wind. Cold fronts can temporarily drop counts, but warm spells bring rapid pollen surges. PollenTracker monitors these daily shifts.
Open another nearby forecast without going back to the map.
CAUTION
Limit exposure
Tree pollen is high at 120 grains/m³, but winds are light and air quality is decent. Take precautions — the safest hours are later in the day.
Lower-risk hours: 11:00, 19:00-20:00
Pollen Level
High
120 grains/m³ · Tree
Air Quality
AQI 31
Good
Weather
55°F
Cloudy · 48% humidity · 6 mph wind
~120 grains/m³
~120 grains/m³
~5 grains/m³