It’s been six months since I started work on an app to crowdsource CO2 measurements as a COVID mitigation effort. Volunteers (“CO2 guerillas”) across the world have since added nearly 600 measurements to the database, as part of an effort to document safe and dangerous indoor spaces.

The app (deployed at: https://covid-co2-tracker.herokuapp.com/home) was born out of the need to improve indoor air quality in the middle of a highly contagious airborne respiratory pandemic. Somehow – more than a year into this – governments around the world deny the very fact that this virus is spread through the air, not through surfaces and “droplets”. This was obvious from the very beginning to me, and to hundreds of aerosol scientists, safety engineers, HVAC specialists, and even entire countries where SARS-1 epidemics hit in the past.
Continue reading ‘6 Months of guerilla CO2 measurement with the COVID CO2 tracker’