Pollen in Cincinnati, Ohio

The Ohio River valley concentrates both the spring tree pollen and the autumn ragweed, and consistently ranks near the top of national allergy lists.

Cincinnati sits in the Midwest, which is what decides the shape of its pollen year. 11 of the eleven species Respira reports in the United States occur here.

In season in Cincinnati right now

As of August, these are the species expected to be in the air in Cincinnati:

This is the seasonal expectation for the Midwest, not a measurement. The app reports the level measured for your own location each day, and says so when there is no reading rather than showing a zero.

Pollen calendar for Cincinnati

Month by month intensity for every species that occurs in the Midwest. Darker means higher. The current month is marked.

Pollen calendar: intensity by month and species
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Ragweed Jan: none Feb: none Mar: none Apr: none May: none Jun: none Jul: low Aug: very high Sep: very high Oct: moderate Nov: none Dec: none
Grass Jan: none Feb: none Mar: none Apr: low May: high Jun: very high Jul: high Aug: moderate Sep: low Oct: none Nov: none Dec: none
Oak Jan: none Feb: none Mar: low Apr: high May: very high Jun: low Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Birch Jan: none Feb: none Mar: none Apr: moderate May: high Jun: low Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Maple Jan: none Feb: low Mar: moderate Apr: high May: moderate Jun: none Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Juniper / Cedar Jan: low Feb: moderate Mar: moderate Apr: low May: none Jun: none Jul: none Aug: none Sep: none Oct: none Nov: none Dec: low
Elm Jan: low Feb: moderate Mar: high Apr: moderate May: none Jun: none Jul: none Aug: low Sep: moderate Oct: low Nov: none Dec: none
Ash Jan: none Feb: none Mar: moderate Apr: high May: low Jun: none Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Cottonwood Jan: none Feb: none Mar: moderate Apr: high May: low Jun: none Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Pine Jan: none Feb: none Mar: low Apr: moderate May: high Jun: low Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none
Alder Jan: none Feb: low Mar: moderate Apr: low May: none Jun: none Jul: none Aug: none Sep: none Oct: none Nov: none Dec: none

Seasonal estimate by climate zone, not a measurement. Seasons shift with elevation and with the year's weather.

What grows around Cincinnati

Ragweed
Peaks in August and September.
Grass
Peaks in June.
Oak
Peaks in May.
Birch
Peaks in May.
Maple
Peaks in April.
Juniper / Cedar
Peaks in February and March.
Elm
Peaks in March.
Ash
Peaks in April.
Cottonwood
Peaks in April.
Pine
Peaks in May.
Alder
Peaks in March.

Track today's levels in Cincinnati

This page is the shape of the year. For today's actual numbers, Respira reports the eleven US species for wherever you are, air quality on the EPA scale, and a symptom diary you can export as a PDF for your allergist.

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Respira is an informational tool. It does not replace diagnosis or advice from a medical professional.