New post: Nine observations from three and a half years of carbon dioxide monitoring. #COVIDIsNotOver #COVIDIsAirborne
https://grieve-smith.com/ftn/2026/03/nine-observations-from-carbon-dioxide-monitoring/

Nine observations from carbon dioxide monitoring
Introduction In the first year of the COVID-19 pandemic I learned that we can estimate our level of risk by checking the concentration of carbon dioxide in the air, because when infected people breathe out virus aerosols, they also breathe out CO2. I recently wrote about some limitations on this





