The ultimate challenge: guess the co2 levels of an almost empty movie theater.
The theater was empty for at least 30 minutes. Me and two people arrived and 5 minutes later I took the pic.
#CovidIsNotOver #CovidIsAirborne #MaskUp #CovidCO2 #Aranet4
#BalanceTonCo2
So far so good 👏
#IndoorAirConference #covidCO2
Geneva Health Forum WHO/Europe
x.com/genevaforum/st…
Fui al odontólogo y le di una de mis 3M Aura. Con la puerta abierta todo el tiempo, el co2 estuvo entre 550 y 496 ppm.
#CovidIsNotOver #COVIDIsAirborne #CleanAirForAll #CovidCO2