People wear face masks in a shopping mall as the Covid-19 pandemic continues in Canada and around the world. The pandemic’s surge in the southern and western US has a lot to do with people seeking refuge from the summer heat in spaces where air-conditioning systems recirculate inside air, exposing them all to each other. — AP
Ventilation is perhaps the most underappreciated challenge of reopening during the Covid-19 pandemic. As people increasingly return to indoor spaces such as office buildings, airports, schools and restaurants, they’ll need plenty of outside air, so they won’t walk into a cloud of coronavirus spray. But how can they trust building managers to ensure it’s safe to breathe?
They can’t. Which is why I think people need to cooperate – with the help of technology – to monitor air quality themselves.
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