Iowa, United States

Iowa City, IA Pollen Count Today

View the current allergy index, primary allergen, tree, grass, and weed pollen levels, plus the 5-day pollen forecast for Iowa City.

Today's pollen count in Iowa City

Today in Iowa City, Iowa, the forecasted pollen level is moderate with an allergy index of 3. The primary allergen is Grasses. Use the forecast below to see whether conditions are likely to rise, ease, or stay steady over the next few days.

AllergyAva shows forecasted pollen levels and allergy risk estimates for Iowa City. Actual exposure can vary by neighborhood, weather, and time outdoors.

Current level
Moderate
Allergy index
3
Main allergen
Grasses

Pollen Level

Moderate Risk
3

Pollen Index

Primary Allergen

Grasses

Consider taking antihistamines before heading outside. Keep windows closed.

72°

Temp

55%

Humidity

8

Wind mph

Source: Includes pollen data from Google

Updated May 13, 2026 at 2:41 PM ET.

Check pollen in another city or ZIP code

5-Day Pollen Forecast

Best day this week

Fri - Low

Worst day this week

Sat - Moderate

Today
84°/61°
3
Moderate
Tree1
Grass3
Weed0
Tomorrow
84°/61°
3
Moderate
Tree1
Grass3
Weed0
Fri
81°/59°
2
Low
Tree1
Grass2
Weed0
Sat
84°/61°
3
Moderate
Tree1
Grass3
Weed0
Sun
81°/59°
2
Low
Tree1
Grass2
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Grasses
Moderate
Maple
Out of seasonVery Low
Birch
Out of seasonVery Low
Ash
Out of seasonVery Low
Oak
Very Low
Pine
None

Pollen & Allergy Guide for Iowa City, IA

Iowa City, Iowa residents can experience significant pollen exposure throughout the year. Tree pollen typically peaks during spring months, while grass pollen dominates in summer. Fall brings elevated ragweed levels, which is one of the most common allergens in the region.

When Is Allergy Season in Iowa City?

Allergy season in Iowa City generally begins in early spring as trees start releasing pollen. The most intense period varies by allergen type. Monitoring daily pollen counts with Allergy Ava helps you plan ahead and manage symptoms proactively.

Tips for Managing Allergies in Iowa City

Track your daily pollen exposure, consult with a local allergist for personalized treatment, and consider starting preventive medications 2-4 weeks before your peak allergy season. Indoor air quality management with HEPA filters can also make a significant difference.

Iowa City allergy season calendar

Tree pollen

In season now

Spring

Often drives early-season symptoms

Grass pollen

In season now

Late spring to summer

Can rise around lawns, parks, and open areas

Ragweed/weed pollen

Late summer to fall

Major fall allergy trigger

Mold spores

Varies

Often affected by moisture and decaying leaves

Common pollen triggers around Iowa City

TriggerTypical seasonWhat to know
Tree pollenSpringOften drives early-season symptoms
Grass pollenLate spring to summerCan rise around lawns, parks, and open areas
Ragweed/weed pollenLate summer to fallMajor fall allergy trigger
Mold sporesVariesOften affected by moisture and decaying leaves

Iowa City pollen forecast in eastern Iowa

Iowa City allergy conditions are influenced by eastern Iowa tree bloom cycles, campus-area landscaping, and seasonal grasses and weeds that can create recurring allergy pressure. Searchers looking for an Iowa City pollen forecast often want local guidance for commuting, classes, and outdoor activity.

Tree pollen, grasses, and weeds can all affect Iowa City residents depending on the season. Daily forecasting helps users better understand short-term changes in exposure.

Frequently asked questions about pollen in Iowa City

What is the pollen count in Iowa City today?

Today in Iowa City, Iowa, the pollen level is moderate with an allergy index of 3. The main allergen to watch is Grasses.

When is allergy season in Iowa City, Iowa?

Allergy season in Iowa City, Iowa can vary by allergen and weather conditions. Tree pollen often rises in spring, grass pollen becomes more active in late spring and summer, and weed pollen can remain elevated later in the year depending on local climate and vegetation.

How often should I check the pollen forecast in Iowa City?

If you have seasonal allergies in Iowa City, it is helpful to check the pollen forecast daily during peak allergy periods. Shifts in wind, rainfall, temperature, and humidity can all change local pollen exposure from one day to the next.

What pollen types affect people in Iowa City, Iowa?

Iowa City residents may be affected by tree pollen, grass pollen, and weed pollen during different parts of the year. The strongest trigger depends on the season, nearby vegetation, and current weather conditions.