Crack a window! This smart home smoke alarm will tell you it’s stuffy

The Twinguard smoke detector from Bosch will send you a notification on your phone when the air purity level drops. —Bosch/dpa

Fresh air has never been more important. In an effort to help us reduce the risk of infection in shared spaces during the pandemic, Bosch has developed a new device that will tell you how fresh your air is.

At the CES tech fair, taking place online this year, the household appliance manufacturer presented a smart home smoke detector that will remind you when it’s time to open a window.