The Welov Matter P200 Pro air purifier does a good job of removing airborne impurities, but slow adoption of the Matter standard means you'll have to wait to take advantage of its full smart home integration capabilities.
The Rabbit Air A3 is a pricey but stylish app-connected air purifier that uses customizable multi-stage filtration to quietly and effectively scrub the air in large rooms.
The Blueair Blue Pure 311i Max smart air purifier offers few frills beyond app and voice control support, but it does a good job of scrubbing the air in medium-to-large spaces using a 360-degree HEPA filter.
The Levoit Vital 200S air purifier connects to an app on your phone and effectively eliminates pet dander and other harmful pollutants in your home, but it doesn't offer detailed air quality measurements and could be smarter.