Researchers at the University of California, Los Angeles (UCLA) have developed c-Air, a cost-effective mobile device designed to measure air quality.
The device functions by detecting pollutants and measuring their concentration and size using a mobile microscope connected to a smartphone and a machine-learning algorithm that automatically analyzes the images of the contaminants.
The researchers say c-Air could give many more people around the world the ability to accurately detect dangerous airborne particulate matter.
The UCLA team notes c-Air is just as accurate as conventional equipment, but could cost tens of thousands of dollars less.
The device consists of an air sampler and a holographic microscope about the size of a computer chip. The system wirelessly connects to a smartphone and works with a remote computer server using a machine-learning algorithm that analyzes and sizes the particles based on the images.
From University of California, Los Angeles
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