1/ Measuring indoor ventilation while traveling in the US.
Denver Airport @DENAirport security area, 20% masks. Not great, CO2 a bit high.
#covidCO2
Denver Airport @DENAirport security area, 20% masks. Not great, CO2 a bit high.
#covidCO2
2/ Denver Airport @DENAirport , waiting to board at the gate.
20% masked 1/3 N95 or KN94, and 1/2 surgical or cloth.
C92 a little high, if ventilation is the only layer of protection that we are relying on for most people.
#covidCO2
20% masked 1/3 N95 or KN94, and 1/2 surgical or cloth.
C92 a little high, if ventilation is the only layer of protection that we are relying on for most people.
#covidCO2
3/ Taxiing towards takeoff on @united.
Too high, ventilation (and this filters) not yet fully on.
#covidCO2
Too high, ventilation (and this filters) not yet fully on.
#covidCO2
4/ An island of rationality. @Caltech requires well-fitting masks indoors.
CO2 was low in the coffee shop, 520 ppm
CO2 was low in the coffee shop, 520 ppm
• • •
Missing some Tweet in this thread? You can try to
force a refresh
