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Wildfire smoke pushes Linn County air quality to unhealthy levels

Cedar Rapids and surrounding areas saw AQI readings as high as 153 on July 20 as smoke from Canada and Minnesota fires lingered.

By Jordan BeckPublished Jul 21, 2026, 9:35 AM CT · Updated Jul 21, 2026, 4:45 PM CT1 min read
AI-generated editorial scene: A hazy, muted sunlight filters through a thick, gray-toned atmosphere over a quiet suburban park in Cedar Rapids. In the foreground, an empty concrete pool deck sits cordoned off by a simple metal gate, while the distant, blurred treeline of a local neighborhood fades into the dense, suspended particulate.
AI-generated editorial photo · CR Pulse Graphics Desk

Wildfire smoke drifting from Canada and Minnesota drove fine-particle levels above health standards in Linn County on July 19, 2026, closing the Marion Pool and triggering an air-quality alert for Eastern Iowa.

Linn County Public Health issued a particulate advisory that morning after hourly PM2.5 readings exceeded the 24-hour standard of 35 micrograms per cubic meter. Linn County Public Health said the smoke would affect the area for several days.

Cedar Rapids recorded an Air Quality Index of 153—unhealthy—on July 20, according to data cited by the Des Moines Register. The Iowa DNR extended its alert for the region through 11 a.m. July 20. The Gazette

"You can see it and you can smell it," KGAN reporter Rebecca Kopelman said in a July 19 broadcast. "Wildfire smoke has entered the skies in Eastern Iowa."

The Marion Pool closed Sunday because of the conditions. Sensitive groups—children, older adults and anyone with heart or lung disease—were urged to limit outdoor time while the smoke remained.

The episode follows a pattern of summer smoke intrusions that reach Eastern Iowa from distant fires, though this event produced the first documented pool closure tied to the 2026 season.

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Sources

  1. 1.Particulate Air Quality Advisory, Linn County, Iowa — Linn County, IA
  2. 2.Poor air quality in Eastern Iowa due to wildfire smoke from Canada/Minnesota — KGAN / Iowa's News Now
  3. 3.Air pollution at unhealthy levels in Linn County — The Gazette
  4. 4.Why is it smoky in Iowa today? Wildfires cause poor air quality — Des Moines Register
  5. 5.Wildfire smoke from Canada, Minnesota impacting Iowans - KGAN — Google News — CBS2 Iowa

This story was researched and drafted with AI assistance and reviewed by a human editor before publication. Read our Editorial Standards & AI Disclosure. Spot an error? Request a correction.

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