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Pocket CO₂ Sensor

monitor your air
outside the coal mine
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The airCoda Pocket CO₂ Sensor monitors air quality wherever you go, using the free airCoda app. It constantly estimates the percent of exhaled breath in your air, as well as VOCs.
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Open the app (for iOS or Android) to see your latest levels, a day map of when and where your exposures were highest, and a calendar summary of your personal air quality history.
Quick demo
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When should I mask to avoid infectious disease?
Instead of blindly following others or waiting for guidance from authorities, use data from your own sensor.
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We spend 90% of our time indoors, where pollutants are often 2 to 5 times higher than outdoors.
The airCoda Pocket Sensor is optimized for measuring indoors, where high CO2 indicates poor ventilation.*
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High carbon dioxide also reduces cognitive performance, even at non-toxic levels common in offices and classrooms. Work measurably slows down, and students score worse on their tests.*
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The airCoda Pocket Sensor measures gases (not particles) so it doesn't need to dangle out in the open.
Discretely monitor your air from inside your pocket or bag.