Zephyr Leif Renner on Nostr: Spend some time with the WHO’s Airborne Risk Indoor Assessment calculator. It ...

Spend some time with the WHO’s Airborne Risk Indoor Assessment calculator. It doesn’t give CO2 as an independent variable, but your experience with a CO2 meter will let you easily guess what the CO2 reading would be. You can model just about any human scale situation: volume of airspace, # people, activities, time, including ventilation and filtration rates and respirators. Watch the short range transmission.