I am Mighty

Small in size but mighty in power.

Explore Airmega Mighty

Coway HyperCaptive™ Filtration

The combination of multiple filters removes up to 99.999% of nano-sized particles down to 0.01 µm, smaller than bacteria and virus.

Washable Pre-Filter

Extra fine Pre-Filter removes large dusts, fur, hair and pet hair.

Deodorisation Filter

Removes bad odours, cigarette smells, pet odours, harmful gases, formaldehyde and VOCs (volatile organic compounds). 

Ultrafine Particle Filter

With anti-virus GreenHEPA™️ technology, removes airborne particles such as allergens, bacteria, dander, fine dust, mould, pollen and viruses.

Vital Ionizer

Improves air purification quality and filter efficiency by ionizing airborne particles with negative ions.


Maximum protection against common household particles


Human Hair

Pet Hair

Dust mites


Deodorization Filter

Food Smell

Cigarette Smell

Pet Smell





Acetic Acid



Ultrafine Particle Filter with Coway GreenHEPA™ Technology






Dust Mites






GreenHEPA™ anti-virus technology for dual protection against virus and more

Our filters are treated with a special anti-virus formula that is harmless to our bodies. It provides double protection that is laboratory tested. Captures 99.9% and neutralizes the possibly harmful particles from the air². Additional external test certifies the neutralization of human coronavirus (HCoV-OC43) in 2 hours³.

* Test result with SARS-CoV-2 to be ready for publication in December 2021


Vital Ion: Ionized particles for better air purification

As part of the Mighty four-stage filtration process, the Vital Ion technology transmits electron charges to the molecules without ozone, facilitating the capture and removal of harmful particles in the air.



Intuitive control with smart functions

Auto mode, ionizer, timer, filter alerts and energy saving eco mode with air quality display.

  1. Auto Mode / Eco Mode / 3 Manual Speeds

  2. Vital Ionizer

  3. 1,4,8 Hour Timer / Filter Replacement Lights

  4. Air Quality Indicator in 3 Colours

  • Good
  • Moderate
  • Unhealthy
  • 1

    Auto Mode / Eco Mode / 3 Manual Speeds

  • Auto Mode / Eco Mode / 3 Manual Speeds

  • 2

    Vital Ionizer

  • Vital Ionizer

  • 3

    1,4,8 Hour Timer / Filter Replacement Lights

  • 1,4,8 Hour Timer / Filter Replacement Lights

  • 4

    Air Quality Indicator in 3 Colours

  • Air Quality Indicator in 3 Colours

  • 1

    Auto Mode / Eco Mode / 3 Manual Speeds

  • Auto Mode / Eco Mode / 3 Manual Speeds

  • 2

    Vital Ionizer

  • Vital Ionizer

  • 3

    1,4,8 Hour Timer / Filter Replacement Lights

  • 1,4,8 Hour Timer / Filter Replacement Lights

  • 4

    Air Quality Indicator in 3 Colours

  • Air Quality Indicator in 3 Colours


My Fully Automated Functions

Auto Mode

Auto Mode with real-time air quality sensing, adjusts fan speed automatically. Keeps the air constantly clean while being extremely energy-efficient.

Eco Mode

Eco Mode is turned on automatically if the space remains clean for 30 minutes. The fan will be turned off to save energy and the fan will restart once the air quality goes bad.

Filter Replacement Indicator

The filter notification accurately informs when the carbon filter (deodorization) and the HEPA (ultrafine particle filter) needs to be replaced.


NY Times Selected Best Air Purifier 2021

Airmega Mighty was selected as the Overall Top Pick at Best Air Purifier Review by Wirecutter, New York Times, for seven years in a row (2015 – 2021), competing with over 42 top air purifier models.

Read more on New York Times

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Not just a pretty face

The face of an icon with guaranteed quality, matching smoothly with any lifestyle.



Frequently asked questions

Airmega Mighty Manual
Download the manual here: Airmega Mighty Manual
Airmega Mighty Specifications

Room Coverage: 109 m2

CADR (Clean Air Delivery Rate): 421 m3/h

Filter: Pre-Filter + Deodorization Filter + Ultrafine Particle Filter + Vital Ion

Filter Life Expectancy: Deodorization Filter (6 Months), Ultrafine Particle Filter (1 Year)

Air Quality Indicator: 3 Colours (Blue / Purple / Red)


Airflow Control: 5 Stages (Auto / 1 / 2 /3 / Eco)

Timer: 1, 4, 8 hours

Minimum Noise: 24.4 dB

Maximum Noise: 53.8 dB

Power Consumption: Min 4.9 W – Max 77 W

Product Dimension (H x W x D): 46.6 x 43 x 25 cm

Product Weight: 5.9 kg


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ECARF Seal of Quality

The ECARF Seal certifies products and services that have been fully adapted to the needs of allergy sufferer, making an allergic reaction very unlikely.

IDEA Award

Coway’s exquisite product design was awarded at the most renowned International Design Excellence Award (IDEA). Coway was awarded for the highest standard for 12 consecutive years.

Vital ION

As part of the 4-stage filtration process, the Vital Ionizer generates electron charges to the surrounding particles without producing harmful ozone. The air purification quality is improved as ionized particles are better captured by the filters.
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¹ Coway air purifiers has been proven to trap dust, pollen, dander, viruses and bacteria in the air based on KCL(Korea Conformity Laboratories) testing. They have been tested in a 30㎥ size chamber according to the Korea Air Cleaning Association standard (SPS-KACA 002-132:2018 Modified)to measure the 0.01㎛ size of particle removal rate. It was tested on maximum fan speed in normal room temperature and humidity conditions. The performance may vary in the actual living environment of customers.

² 99.9% of viruses, bacteria, fungi and pollen were verified to be removed from the air by Coway air purifiers with GreenHEPA™ technology applied filters based on the Japan Food Research Laboratories(JFRL) testing according to JEM 1467 standard. Tested with AIRMEGA AP-1516D, AIRMEGA AP-1220B, AIRMEGA MIGHTY air purifiers and additionally AIRMEGA 150, AIRMEGA 250, AIRMEGA 300S, AIRMEGA 400S will acquire the test report in 1H, 2022.

All tested by JFRL and received above result within below time.

  • Virus: Tested with Escherichia coli phage ΦX174 NBRC 103405, 60 minutes
  • Bacteria: Tested with Staphylococcus epidermidis NBRC 12993, 60 minutes
  • Fungi/Mold: Tested with Penicillium citrinum NBRC 6352, 60 minutes
  • Pollen: Tested with Cedar Pollen extract, 30 minutes

Tested with Influenza A virus (H1N1) and Staphylococcus aureus on Coway’s Green HEPA filter media by Japan Food Research Laboratories (JFRL) and no growth was found on the material after 24 hours kept in room temperature.

Both tests were performed on small test pieces cut from the Green HEPA filter media, so this disclaimer can be used for any Coway products that use this filter.

  • Virus: Tested with Influenza A virus (H1N1), 3cm x 3 cm autoclaved piece
  • Bacteria: Staphylococcus aureus, inoculated on 50mm x 50mm test piece.

³ Tested with Human Coronavirus (HCoV-OC43) on Coway GreenHEPA™ technology applied filter media by BioPS Co., Ltd, a research organization specializing in viral clearance studies in South Korea. The test method was a filter media coupon test to observe the neutralization effectiveness. After 2 hours kept in room temperature, there were above 99.999% removal rate of the virus after the virus made contact with the filter media resulting in neutralization or inactivation of the virus is valid. Same result shows after 12 hours and 24 hours. This specific test was conducted with Human Coronavirus (HCoV-OC43) as the experimental model virus (Not Covid-19 (SARS-CoV-2)) because OC-43 is one of the seven types of Coronavirus that can be infected to human

Note: Air purifiers are known to be effective in preventing the Covid-19. However it should never be regarded as the primary method of the virus infection. Cleaning hands, trying to avoid contact and avoiding being in closed space in the public is necessary to minimize the possibility of being affected by the possible virus infection. Coway supports every patients and medical staff around the world who work tirelessly to prevent and cure the spread of hazardous virus.

* CADR (Clean Air Delivery Rate) of particulate matter is tested according to GB/T18801-2015 by a certified third-party lab.

Measurement specifications are defined in GB/T 18801-2015, according to which two particle concentration decay rates have to be determined within a test chamber with a defined volume (Vchamber): a natural decay rate with inactive air cleaner (knat) and a decay rate detected under the measurements are carried out in a 30 ㎥ chamber, which is empty except for the air cleaner placed on a table, two fans to mix and recirculate the air and some measurement periphery (mainly tubing). The chamber is kept at a temperature of 25 ± 2°C and a relative humidity of 50 ± 10%. Cigarette smoke is used as test aerosol and the number concentration of particles > 0.3 µm is measured using an optical aerosol spectrometer usage of the indoor air cleaner (kAC). The decay rates k are determined from the measured temporal decay of the particle concentration C(t), starting from the initial concentration C0:

* Room size is calculated according to NRCC-54013 standard using CADR tested according to GB/T18801-2015.

  • NRCC: Method for Testing Air Cleaners
  • Formula for room size: Room size = 0.26*CADR

Note: The performance results may vary depending on the actual use environment of customers.