| Source | Chicago Sun-Times |
|---|---|
| Original Load Date | July 18, 2026, 3:01 p.m. |
| Last Updated | July 18, 2026, 3:01 p.m. |
| Original URL | https://chicago.suntimes.com/news/2026/07/18/chicago-sees-slight-air-quality-improvement-but-smoky-hazy-persists |
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After days of wildfire smoke blanketing the Chicago area, air quality improved
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