A precise measure of the Cincinnati pollen count can be found at the
Please realize that Cincinnati pollen count and mold count may vary in the surrounding suburbs from the values given at the city location.
Symptoms of allergy may include: stuffy nose, runny nose, itchy eyes and nose, and/or post nasal drip. Severe allergies can lead to fatigue, sinus headache, and sinus infections. Allergies can also commonly contribute to asthma. Asthma symptoms may include shortness of breath / difficulty breathing, chest tightness, and/or cough. Asthma may worsen with exercise or infections. A high pollen count often leads to more severe allergy and asthma symptoms.
Cincinnati pollens of interest include:
Tree pollen (late winter – spring): Oak, Box elder/maple, White Ash, Birch, Hickory, Sycamore, Elm, Cottonwood/poplar, Mulberry, Pine, Cypress
Grasses (spring – early summer): Timothy, Orchard, Redtop, Fescue, Rye, Bluegrass, Bermuda
Weeds (summer – early fall): Ragweed, Pigweed, Sagebrush, Cocklebur, Lamb’s-quarter, Dock/sorrel, Plantain
The onset of tree and grass pollen season is dependent on the weather conditions the preceding winter. The magnitude of the Cincinnati pollen count depends on many factors but especially winter snow accumulation and warm spring temperatures. Ragweed season is more predictable. The ragweed season begins in mid-August and lasts until the first hard freeze in the fall.
Environmental control measures for pollen include keeping the windows closed during the pollen seasons. Remove your clothes and take a shower or bath after spending time outdoors to avoid spreading the pollen around your house. Use a high quality furnace filter to capture any pollen or other allergen that enters your home.