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Best Air purifiers

Which Air purifiers performed best in our tests?

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We tested 36 air purifiers to determine the best-performing models. Our expert lab technicians tested each Air purifier based on the following criteria:

  • Annual cost ($)
  • Room size
  • Dust/pollen/smoke removal (low)
  • Dust/pollen/smoke removal (high)
  • Noise (low speed)
  • Noise (high speed)

Below lists the Air purifiers that rated best in each of the tests our experts looked for. Learn about how these tests were performed and find out which Air purifier is rated best when you subscribe.

Consumer Reports Ratings for Best Air purifiers

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Annual cost is a combination of yearly filter and energy costs.


This Air purifier which tested best for Annual cost ($) has the following features: .

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Recommended size for Small room 100-300 sq/ft, Medium room 250-400 sq/ft, Large room 350-650 sq/ft.


This Air purifier which tested best for Room size has the following features: .

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Dust/pollen/smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its lowest speed. A model that scores well for dust removal should perform comparably for pollen.


This Air purifier which tested best for Dust/pollen/smoke removal (low) has the following features: .

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Dust/pollen/smoke removal is how well a model cleared air of fine clay dust and cigarette smoke when operating at its highest speed. A model that scores well for dust removal should perform comparably for pollen.


This Air purifier which tested best for Dust/pollen/smoke removal (high) has the following features: .

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Noise is based on instrument measurements with the model running at its lowest speed.


This Air purifier which tested best for Noise (low speed) has the following features: .

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Noise is based on instrument measurements with the model running at its highest speed.


This Air purifier which tested best for Noise (high speed) has the following features: .