Letter Grades for Air Quality? Some Companies Get Their Indoor Air Tested for Viruses

📆 26/10/2565 5:49:00
📰 NBCLA

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With more and more people returning to the workplace since the pandemic began, you might be wondering: could the air in your office carry viruses like covid and the flu? There’s a high-tech way one company is now testing for just that. Some companies are getting their air in their buildings tested using new technology, and if they pass the test, they’ll get a well-known seal of approval on the front door, kind of like the letter grades you see on restaurants.

Then for the next hour, a high tech machine collects air samples, to gauge something called"air change," or how many times the air in that room is completely changed each hour through the ventilation and air conditioning systems.

"It is now widely recognized that clean indoor air is the key to getting workers safely back to workplaces, students safely back to schools," said epidemiologist Dr. David Michaels, at a White House Summit on Indoor Air Quality held earlier this month.

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