Stay safe in the heat! Wet Bulb Globe Temperature (WBGT) helps you understand how your body will handle extreme conditions. Know the flag colors and take the right precautions to avoid heat stress.
iaq
My favorite of the @AirSupportProject #COVID blog series is the last one (#7): Getting the Recommended Air Changes per Hour Using Fan-and-Filter Models , it really lays out what you need, and has some great visuals I'm attaching here too