Columbus air quality index (AQI)
Last updated at 13:00, December 11 Local time
US AQI⁺
PM2.5 | 2.1 µg/m³
Clean air for a better, healthier life
Clean air influences how well we sleep, how easily we breathe, and how comfortable we feel at home. For decades, IQAir has engineered high-performance, medical-grade air purification systems and advanced air quality monitors for precise real-time measurement.
Our air purifiers reliably remove ultrafine particles, allergens, smoke, viruses, and pollen. At the same time, AirVisual air quality monitors reveal what you cannot see: where pollution originates, how your indoor air changes over time, and when air purification is truly needed.
Developed with Swiss precision and trusted worldwide, IQAir solutions provide clear data, measurable results, and the confidence of having full control over your air quality, indoors and outdoors.
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Cities with high air pollution (AQI⁺)

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