Ohio, United States

Cincinnati, OH Pollen Count Today

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

Today's pollen count in Cincinnati

Today in Cincinnati, Ohio, the forecasted pollen level is very low with an allergy index of 1. The highest plant reading is Grasses, but Google marks it as out of season (Late spring, summer). 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 Cincinnati. Actual exposure can vary by neighborhood, weather, and time outdoors.

Current level
Very Low
Allergy index
1
Main allergen
Grasses

Out of season: Late spring, summer

Pollen Level

Very Low Risk
1

Pollen Index

Primary Allergen

Grasses

Pollen exposure is very low. Most people can spend time outdoors with minimal allergy concerns.

72°

Temp

55%

Humidity

8

Wind mph

Source: Includes pollen data from Google

Updated June 27, 2026 at 11:20 PM ET.

Check pollen in another city or ZIP code

5-Day Pollen Forecast

Best day this week

Today - Very Low

Worst day this week

Thu - Low

Today
78°/57°
1
Very Low
Tree0
Grass1
Weed0
Tomorrow
81°/59°
2
Low
Tree0
Grass2
Weed0
Tue
81°/59°
2
Low
Tree0
Grass2
Weed0
Wed
78°/57°
1
Very Low
Tree0
Grass1
Weed0
Thu
81°/59°
2
Low
Tree0
Grass2
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Grasses
Out of seasonVery Low

Pollen & Allergy Guide for Cincinnati, OH

Cincinnati, Ohio 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 Cincinnati?

Allergy season in Cincinnati 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 Cincinnati

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.

Cincinnati allergy season calendar

Tree pollen

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 Cincinnati

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

Frequently asked questions about pollen in Cincinnati

What is the pollen count in Cincinnati today?

Today in Cincinnati, Ohio, the pollen level is very low with an allergy index of 1. The main allergen to watch is Grasses.

When is allergy season in Cincinnati, Ohio?

Allergy season in Cincinnati, Ohio 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 Cincinnati?

If you have seasonal allergies in Cincinnati, 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 Cincinnati, Ohio?

Cincinnati 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.