TEMPERATURES have recently taken a dip in London, where I live, and, at home, I have been digging out my jumpers. At work, the winter feel is reinforced by a surge of interest in covid-19, with rising ...

That "HEPA" label on your air purifier might not mean what you think it does, and the difference actually matters.

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Both school districts were able to tap pandemic relief money to improve air quality for students and teachers, and also have approached maintenance similarly in the past. A new school year is underway ...

Air filter machines put into a handful of UK schools reduced the number of covid-19-related sick days by more than 20 per cent, the first such randomised trial of the intervention has found. HEPA ...

Not every room in your home has the same air quality issues, so why would you use the same purifier everywhere?

Two years ago, we got a chance to assure parents and teachers, in any future epidemic, that the air in classrooms was safer, making it easier for children to attend school in person and avoid learning ...

We know at this point in the pandemic that COVID-19 is less likely to spread outdoors. But unless you live in a region of the US that has temperate weather year-round, patio happy hours and fire pit ...