"Take schools. They are chronically under-ventilated, according to the Lancet COVID-19 commission. A study of 100 American classrooms found 87 with worryingly low ventilation rates."
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"The problem extends well beyond classrooms. Many people spend more than 90% of their time indoors. Researchers have linked under-ventilated spaces in buildings to a range of ailments."
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"Indoor-air quality has attracted little government attention. But achieving clean, pathogen-free air in buildings and indoor public spaces is possible. The first step is to give people more information on how well-ventilated their air is."
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"CO2 concentrations are a good proxy for ventilation, and cheap sensors to detect this gas in rooms could provide occupants with useful data on when to open windows or upgrade their air-conditioning systems."
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"National indoor-air-quality standards would help. One way to enforce them could be through ventilation certificates for buildings, similar to food-hygiene certificates that already exist for restaurants."
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"Ventilation is the forgotten part of the agenda for improved public health."
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"Chadwick’s report on sanitation lifted people’s expectation that the water coming out of their taps would be clean. COVID-19 should lead policymakers to ensure, belatedly, that the same is true for the air in people’s buildings."
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