Air Purifiers, Air Filters, and the Best DIY Hacks to Reduce the Coronavirus Risk

How to clear the air in your home to protect against airborne Covid-19 transmission

Illustration of a box fan placed by a door blowing air outdoors.

Efforts to prevent Covid-19 infections have focused largely beyond the home, emphasizing crowded indoor public spaces. But after our son attended an event where he could have been exposed…