Open and Accurate Air Quality Monitors
We design professional, accurate and long-lasting air quality monitors that are open-source and open-hardware so that you have full control on how you want to use the monitor.
Learn MoreCo-Location project
What a co-location project can reveal about calibration, reference comparisons, and the real-world performance of air quality monitors.
Project Details
The AirGradient co-location project focuses on improving the accuracy of low-cost air quality sensors by comparing them to high-precision reference monitors. By placing these sensors side-by-side (co-locating), the project gathers data to calibrate and enhance the performance of affordable monitoring devices. The sensor testing and calibration is done in various locations with different climatic conditions and air pollution mixes to characterise the measurement performance under a wide range of conditions. This initiative aims to make reliable air quality data more accessible, particularly in regions with limited monitoring infrastructure.
Community Impact
More accurate data will help to identify and fight air-pollution related health and climate risks. Data will be shared openly to drive sensor development and accuracy. E.g. Columbia University is already using them to develop a machine-learning based calibration system that doesn’t require a reference monitor.
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