![Richard Barrow on Twitter: "Measuring the virus in the air is not easy. But CO2 meters recognize exhaled air inside rooms and so is a good proxy for the aerosols that carry Richard Barrow on Twitter: "Measuring the virus in the air is not easy. But CO2 meters recognize exhaled air inside rooms and so is a good proxy for the aerosols that carry](https://pbs.twimg.com/media/E9259MnUUAMa0z-.jpg)
Richard Barrow on Twitter: "Measuring the virus in the air is not easy. But CO2 meters recognize exhaled air inside rooms and so is a good proxy for the aerosols that carry
![Curbing COVID-19 in schools: Imperial scientists support CO2 monitor rollout | Imperial News | Imperial College London Curbing COVID-19 in schools: Imperial scientists support CO2 monitor rollout | Imperial News | Imperial College London](https://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/co2-tableoflevels-actions-outcomes_1642413920272_x2.jpg?r=4755)
Curbing COVID-19 in schools: Imperial scientists support CO2 monitor rollout | Imperial News | Imperial College London
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Amazon.com: Carbon Dioxide CO2 + PM2.5 Air Quality Monitor, Pollution & Ventilation Meter – Temperature and Humidity Sensor – Measure Indoor Ventilation Levels with CO2 PPM and PM2.5 Micron Dust Levels :
Trends in atmospheric concentrations of CO2 (ppm), CH4 (ppb) and N2O (ppb), between 1800 and 2017 — European Environment Agency
![Percentage of hours with a given CO2 concentration registered during... | Download Scientific Diagram Percentage of hours with a given CO2 concentration registered during... | Download Scientific Diagram](https://www.researchgate.net/publication/337741045/figure/fig3/AS:832413076824065@1575474151276/Percentage-of-hours-with-a-given-CO2-concentration-registered-during-occupied-hours-and.jpg)