Chicago vs Fresno Air Quality Comparison
Which city has cleaner air right now, from the latest EPA AirNow AQI
As of November 14, 2026, Chicago, IL has cleaner air than Fresno, CA — AQI 16 (Good) vs 55 (Moderate), a gap of 39 AQI points in the latest EPA AirNow observations. Lower AQI means cleaner air. Chicago's reading is driven by PM2.5 and Fresno's by PM2.5.
Chicago, IL
Good
Fresno, CA
Moderate
Summary
Chicago has 39 points better air quality
Chicago has an AQI of 16 compared to 55
Extra Protection for Fresno Homes
Air quality in Fresno is moderate (AQI 55), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Compare top-rated True-HEPA purifiers:
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