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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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Round Lake's allergy season is compressed but intense, running from April through October. The flat, agricultural landscape around Round Lake, IL produces significant grass and ragweed pollen during peak months.
Right now: July grass pollen tapers in Round Lake, but summer thunderstorms can break pollen into fine particles that intensify symptoms — watch for storm fronts.
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 Round Lake 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
Grass 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.
Pollen: Grass pollen is high today at 120 grains/m³.
Lower-risk hours: 14:00-16:00
Weather
79°F
Partly Cloudy · 74% humidity · 4 mph wind
~5 grains/m³