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Air purifiers are used in homes to filter out harmful pollutants and keep the room fresh and filled with clean air, but they can be used for cars as well. A portable air filter, or one designed specifically for use in a car, is a great aftermarket accessory for anyone who does a lot of commuting. These devices will do much of what larger in-home purifiers will do: remove contaminants and airborne allergens, eliminate bad odors, relieve asthma symptoms, and get rid of other harmful particles from the air. Just place an in-car purifier in your cup holder or on top of the armrest and turn it on. Here are the best car air purifiers available currently at Amazon.


$77.59 at Amazon

Key features

  • Removes up to 100 pollutants
  • HESA layer
  • 3-speed fan filtration
  • SelectFilter Plus
  • AllergyFilter Plus
  • 13 ft 12v power cable

This Phillips GoPure High-Performance HEPA Air Purifier For Car is able to remove up to 100 pollutants including exhaust fumes, VOCs (volatile organic compounds), bacteria, smoke and odors. This purifier uses a 3-stage filtration system and can filter a standard-sized SUV or sedan in under 10 minutes.

$109.99 at Amazon

Key features

  • 4-stage filter
  • High-quality fan
  • CARB certified
  • Built-in PM2.5 sensors
  • Takes 6 minutes to filter at a time
  • Ozone free

This Luftrum Car Air Purifier With H13 True HEPA Filter has a 4-stage filtration system and eliminates substances such as exhaust fumes, chemicals and other substances that have odors. It takes this purifier six minutes to filter at a time and can filter up to 10 times an hour.

$24.99 at Amazon

Key features

  • Eliminates odors
  • Quick charge USB 3.0 
  • No filter changes required
  • Multi-needlepoint ionization
  • 1-year warranty

This PURE Car Air Purifier works as an air ionizer and a car charger simultaneously. This purifier deodorizes smoke, mold and odors coming from food and pets. It can generate up to 5.6 million negative ion concentrations, which is a measurement of air quality and atmospheric pollution according to the National Institutes of Health.

$39.99 at Amazon

Key features

  • 2-stage purification
  • 3 fan speeds
  • Weighs under 1 pound
  • Cleans up to 9 cubic feet per minute 
  • Cordless
  • 5-year warranty

This Pure Enrichment PureZone Mini Portable Air Purifier uses 2-stage purification and can clean up to 9 cubic feet per minute and a maximum floor area of 54 sq. ft. It’s cordless and is powered by a rechargeable lithium-ion battery that reaches up to 12 hours of battery life. A 5-year warranty comes along with your purchase.

$119.99 at Amazon

Key features

  • 3-stage medical grade filtration system
  • Great for the home, work, office or car
  • Covers up to 65 Sq. ft
  • Patented NCCO technology
  • 40 dB noise level

This Westinghouse Portable Air Purifier has a 3-stage medical filtration system and covers up to 65 sq. ft. The purifier has HEPA and NCCO technology (Nano-confined catalytic oxidation), which is a modern air treatment system to help solve issues that are present in air purification technologies.

How does an air purifier work?

Air purifiers work by using internal fans and filters that pull in unwanted particles and circulate purified air back into the room. This process will work continuously as long as the device is charged. They work the same way when used inside of a vehicle, just make sure they are charged or plugged in.

What are the benefits of an air purifier?

Air purifiers provide many great health benefits. They are able to reduce asthma and allergens, remove unpleasant odors, reduce the risk of airborne viruses, and can help you get a better night’s sleep. When used in a car they can remove exhaust fumes and other particles in the car,

Is there a downside to air purifiers?

They bring many benefits but there are still a few drawbacks to consider. Some older models can emit ozone into the area they are used in and that can lead to health complications over time.

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