Best Air Purifiers Under $200

A cheap, certified bedroom purifier with auto mode for rooms under about 180 sq ft.

A slim smart purifier for a bedroom, especially with pets. It cleans about as much air as the Core 300 but adds auto mode and Wi-Fi.

A frugal small purifier for a desk, nursery or small bedroom up to about 85 sq ft.

Strong value for a bedroom up to about 210 sq ft, with a PM2.5 sensor and auto mode at $60.

A good-looking small-room purifier with cheap filters, best for IKEA smart-home users.

A cheap, slim tower purifier for a small bedroom or office.

A cheap smart purifier for a small bedroom or office. Choose something bigger for a living room.

A pet-oriented purifier for bedrooms up to about 185 sq ft. Its hair-catching pre-filter is the draw, but plain purifiers deliver more clean air per dollar.

A simple, proven purifier for a bedroom or small living room. Buy the Core 300S only if you want auto mode and app control.

A Wi-Fi mini purifier for a desk or a very small bedroom, for people who want app scheduling. It moves too little air for a normal room.

A portable personal purifier for a desk or nightstand. It suits small spaces, not whole rooms.

A cheap personal purifier for a desk or nightstand, not a room. Buy it only to clean the air right around you.

A compact, quiet smart purifier for bedrooms, nurseries and home offices.

A strong all-round pick for a living room or large bedroom, with a real particle sensor and app control at a mid-range price.

A long-running favourite for a bedroom or living room that’s still cheap on Amazon. It has an air quality sensor but no app.

A quiet, good-looking purifier for a small bedroom or nursery. Bigger rooms need more airflow for the money.

A low-priced purifier for medium rooms up to about 350 sq ft. It has a sensor-driven auto mode, but filter costs add up if you follow KNKA’s replacement schedule.

A medium-room HEPA and carbon purifier with long-life filters, for buyers who prefer simple manual controls.

A large-room purifier for living areas up to about 500 sq ft, at a lower price per cfm than most big-name rivals. Skip it if you want to avoid ionizers.

A strong-value smart purifier for large rooms up to about 450 sq ft.

A living-room purifier with strong airflow and low filter costs at Amazon’s price. Turn PlasmaWave off if you’re sensitive to ozone.

A good-value living-room purifier for pet owners, with about the same airflow as pricier rivals.