The latest in air quality monitoring

 Indicative air monitoring equipment co-located with reference instruments
Announcement
February 17, 2026
Open Air Chicago: Chicago Department of Public Health, University of Illinois Chicago, and ComEd Launch Largest Air Quality Sensor Network in the United States

Open Air Chicago puts hyperlocal air quality data in residents’ hands, with 277 Clarity Node-S air pollution sensors delivering free, real-time pollution insights across the city.

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