AllergyNest

Pollen in Illinois today

Google’s modeled pollen index for the 2 metros we cover in Illinois, each for its own local day. Metros centered in a neighboring state that reach into Illinois are listed too.

Today in IllinoisEach metro’s own local date

Loading today’s values…

ChicagoLoading

Also reaching into Illinois

St. LouisLoading

Updated after midnight and again each morning, local time
Modeled pollen index, 0 to 5

Source: Includes pollen data from GoogleGoogle Maps

Pollen alerts by email

We’re getting pollen alert emails ready. Sign up now and we’ll email you when they start for your metro.

  • We ask for your email address and one metro. Nothing about your health.
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More about pollen alerts

Allergists in Illinois

187 allergists enrolled in Medicare practice in Illinois: 1.47 for every 100,000 people, more than the 1.22 across the US. The count doesn’t show how soon you can get an appointment. See the doctors listed in Illinois, or how every state and metro compares.

AllergyNest count from CMS’s Doctors and Clinicians file (October 2026) and Census population estimates for 2025.