Indianapolis Sees High Pollen Counts as Allergy Season Begins

Tree pollen is the first culprit, followed by grass and ragweed later in the spring and summer.

Apr. 1, 2026 at 8:03am

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Indiana's allergy season has arrived, with Indianapolis seeing high pollen counts this week. Tree pollen is the first allergen to cause symptoms, followed by grass and ragweed later in the spring and summer. A mild winter and rainy spring can lead to an earlier and more severe allergy season.

Why it matters

Allergies can significantly impact quality of life for many Hoosiers, causing uncomfortable symptoms like sneezing, itchy eyes, and congestion. Knowing the current pollen levels can help people prepare and manage their allergies more effectively.

The details

According to Pollen.com, Indianapolis saw a high pollen count of 11.7 on Tuesday, March 31. While it dropped to a medium count on Wednesday, April 1, it is expected to jump back up to 10.2 on Thursday, April 2, and remain around 11 as the weekend approaches. Aside from medication, people can help manage their allergies by doing spring cleaning to eliminate dust mites, a common allergy trigger.

  • On March 31, Indianapolis saw a high pollen count of 11.7.
  • On April 1, the pollen count dropped to a medium level.
  • On April 2, the pollen count is expected to rise back up to 10.2.

The players

Pollen.com

A website that provides real-time pollen count data and allergy forecasts for locations across the United States.

American College of Allergy, Asthma and Immunology

A professional medical organization dedicated to advancing the knowledge and practice of allergy, asthma, and immunology.

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The takeaway

With high pollen counts expected to continue in the coming days, Hoosiers should be prepared to manage their allergy symptoms through medication, cleaning, and other preventative measures. Staying informed about current pollen levels can help people better plan and cope with the start of allergy season.