5 Best Air Purifiers for Weed Smoke – Nobody Will Know What You Did Last Night (Winter 2023)

By
Carolina Evans
Carolina Evans
Research Writer
Holds a Master’s degree in Engineering and is keen on her own home’s climate. Sometimes we think that Carolina owns every single product she writes about – that’s ho read more
reviewed
Reviewed By
Richard Powell
Richard Powell
Expert Consultant
For 8 years, Richard had been working as an HVAC specialist and AC unit installer since his student years. Now, he’s our main consultant on every technical aspect that may read more
Last updated: December 28, 2022
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If you or someone you know smokes often, it can be tough to get rid of the smell completely. This is especially difficult for marijuana smokers as weed smoke is more strong than tobacco smoke.

When shopping for the best air purifiers for weed smoke, make sure you consider the filtration system. Best option combines activated carbon and HEPA, removing both the smell and the smoke particles from the air. Also don’t forget about the noise level, as leaving your purifier on all day can be quite annoying if it is loud, especially during your sleep. After reviewing 23 different models, we came up with a list of top 5 picks, and the Levoit Plasma Pro 600S got our Editor’s Choice nomination.

Quick Summary

  • Editor's Choice: Levoit Plasma Pro 600S
    "With a whopping 3,175 sq. feet coverage, this purifier can effectively clean large rooms or whole apartments, and its advanced technology detects particles down to 0.3 microns in size"
  • "This air purifier will effectively clean the air in spaces up to 1100 square feet, and its advanced particle sensor will constantly update you on the air condition"
  • Best Design: Blueair Blue Pure 211+
    "Designed with style and function in mind, this unit is capable of purifying large spaces with its advanced 3-step filtration"
  • Best for Small Rooms: BISSELL MyAir
    "Cleans up to 427 square feet, which is perfect for small rooms and offices, and won’t spoil your night with the included sleep mode"
  • Best Value: GermGuardian RAC4825
    "Affordable and effective air purifier that covers up to 743 square feet with its 3-stage filtration system"

Top 5 Air Purifiers for Weed Smoke Review 2023

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Consumer Engagement
Chosen by 2936 people in the past 30 days
9.9
Customer Feedback
Customer Feedback
9.8
Brand Reputation
Based onweb analytics
9.4
Features & Benefits
Product Review
9.7
9.9
1
Editor's Choice

Levoit Plasma Pro 600S

Features
  • Coverage area: 3,175 sq. ft.
  • Filter: H13 True HEPA
  • CADR: 410
  • Noise level: 26 to 55 dB
  • Dimensions: 23.6 x 12.3 x 12.3 inches
  • Weight: 13.7 lbs

Other features: comprehensive voice and app control; AirSight Plus technology detects particles down to 0.3 microns in size; ECO Auto Mode conserves energy when the air is clean

The Levoit Plasma Pro 600S is our Editor’s Choice as it’s an incredibly powerful and effective unit. With a coverage area of 3,175 square feet, it’s great for larger rooms or even small apartments. The H13 True HEPA filter can remove 99.97% of airborne particles, and the CADR rating of 410 means it can circulate the air in your room up to four times per hour. The 600S also features Levoit’s AirSight Plus technology, which scans the area to detect particles as small as 0.3 microns. This helps identify when the air quality in your home is starting to deteriorate so you can take action before it gets too bad. The ECO Auto Mode also conserves energy when the air is clean, saving money on your electric bill. While the noise level of the Plasma Pro can range from 26 to 55 dB, we found it generally very quiet on the lower setting. And if you need to use it on the higher setting, the noise is still relatively tolerable. Moreover, you can conveniently control the purifier via your voice or the app, receiving real-time notifications about the air quality, filter life, and more. However, the filter choice for replacement might need to be clarified.

The Levoit Plasma Pro 600S is an upgrade to the Levoit Plasma Pro 400S from the same manufacturer. Both are 120V 60 Hz models. However, the 400S is a 38W-rated device, while the 600S purifier is rated at 49W, meaning more power. This translates into differences in the CADR rating, where the 400S offers 260 CFM while its counterpart offers 410 CFM. As such, where the 400S works for 403 square foot rooms, the 600S can handle 635 square foot rooms.

    What do we love it for?
  • Largest area coverage from our list at 3,175 sq. ft
  • Overall low energy consumption even without its ECO Auto Mode
  • Advanced technology that can sense particles as small as 0.3 microns
  • Convenient voice and app control
    What were we disappointed with?
  • You might be confused about which filter to choose for replacement
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Consumer Engagement
Chosen by 3437 people in the past 30 days
9.8
Customer Feedback
Customer Feedback
9.7
Brand Reputation
Based onweb analytics
9.4
Features & Benefits
Product Review
9.6
9.8
Features
  • Coverage area: 1100 sq. ft
  • Filter: H13 True HEPA
  • CADR: 300
  • Noise level: from 42 to 56 dB
  • Dimensions: 26.75 x 10 x 17.75 inches
  • Weight: 21 lbs

Other features: advanced particle sensor with LED color rings that show the air quality; lifetime warranty; 4 different purpose filters for you to choose

The Alen BreatheSmart Classic is our Premium Pick, as it does an excellent job of purifying and circulating the air in large spaces up to 1100 square feet. It has a True HEPA filter that can remove 99.97% of airborne particles, making it ideal for people with allergies or asthma. The unit also has an advanced particle sensor with LED color rings that show the air quality, so you can always be aware of the condition of your indoor air. Additionally, the Alen BreatheSmart Classic comes with a lifetime warranty, ensuring that you’ll be able to enjoy its benefits for many years to come. We also appreciate that it comes with 4 different purpose filters for you to choose from, depending on your needs. The only thing that might be underwhelming is the filter indicator, which might not be properly calibrated. Nonetheless, the Alen BreatheSmart Classic is a high-quality air purifier that’s worth your investment.

The Alen BreatheSmart Classic differs from other air purifiers from the same manufacturer in the amount of power it provides. The closest alternative is the Alen BreatheSmart FIT50 which costs just under $500. With that, it has a 231 CFM turbo setting, a seven-foot cord, and up to 900 square feet of room coverage. In comparison, the Classic model has a 290 CFM turbo setting which helps clear the air in 1,100 square foot spaces even with a six-foot cord.

    What stands out?
  • Premium HEPA filter that eliminates 99.97% of particles
  • The particle sensor shows you the air quality status with its LED color ring
  • Lifetime warranty for a peace of mind
  • Can choose between 4 filters for different purposes
    What cons did we manage to find?
  • Filter indicator might be confusing sometimes
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Consumer Engagement
Chosen by 7966 people in the past 30 days
9.6
Customer Feedback
Customer Feedback
9.3
Brand Reputation
Based onweb analytics
9.1
Features & Benefits
Product Review
9.2
9.6
3
Features
  • Coverage area: 2592 sq. ft
  • Filter: pre-filter + HEPASilent + activated carbon filter
  • CADR: 350
  • Noise level: from 31 to 56 dB
  • Dimensions: 20 x 13 x 13 inches
  • Weight: 12.5 lbs

Other features: pre-filter colored fabric that catches large particles and protects the main filter; intuitive single-button design; low energy consumption at 10W

The Blueair Blue Pure 211+ is our Best Design pick for the best air purifier for weed smoke. This unit is sleek and modern looking, with a circular design and a small footprint that makes it easy to place in any room. The Blue Pure 211+ is able to cover up to 2592 square feet, making it a great choice for larger rooms or open-concept homes. It has a three-stage filtration system that includes a pre-filter, a HEPASilent filter, and an activated carbon filter. This system is designed to remove 99.97% of airborne particles, including pollen, dust, smoke, and pet dander. The 211+ has a CADR of 350, which means it can clean the air in a room up to 350 square feet in just 15 minutes. It also has a noise level that ranges from 31 to 56 dB, so it won’t be too loud when it’s running. And, since it only uses 10 watts of power, it’s very energy-efficient. With its intuitive single-button design, the Blueair Blue Pure 211+ is extremely easy to use. The only downside is the unit’s timer for filter replacement, as it can be inaccurate and time out much sooner than it should.

The Blueair Blue Pure 211+ differs from other brand models in various ways, including shape, size, power, etc. Compared to the similarly-priced Blueair DustMagnet 5210i, for instance, it uses up more energy, is larger, has a different design, and produces more noise. Most importantly, it’s also rated for bigger rooms at 540 sq.ft, compared to 212 sq.ft. As such, it seems to provide significantly more value than its counterpart. The Pure 211+ is also an upgrade to others in the same lineup, like the Pure 311 Auto.

    What do we love it for?
  • Smart and modern design that makes the unit easy to place anywhere
  • Extremely energy-efficient at just 10 watts of power
  • One button controls everything
  • Impressive CADR of 350
    What were we disappointed with?
  • Filter replacement timer might be off
Also Product Ranking:
Read full review: blueair blue pure 211
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Consumer Engagement
Chosen by 8987 people in the past 30 days
9.5
Customer Feedback
Customer Feedback
9.4
Brand Reputation
Based onweb analytics
9.2
Features & Benefits
Product Review
9.3
9.5
4
Best for Small Rooms

BISSELL MyAir

Features
  • Coverage area: 427 sq. ft
  • Filter: pre-filter + HEPA filter + carbon filter
  • CADR: 30
  • Noise level: from 30 to 46 dB
  • Dimensions: 12.2 x 8.3 x 8.3 inches
  • Weight: 5 lbs

Other features: sleep mode for restful nights; easy filter maintenance; intuitive LED controls

The BISSELL MyAir is one of the most efficient and affordable air purifiers on the market. It is perfect for small rooms as it can cover an area of 427 sq. ft. The MyAir has a 3-step system that consists of a pre-filter, HEPA filter and carbon filter that work together to remove 99.97% of airborne particles as small as 0.3 microns from the air. The carbon filter is the killer feature of this purifier, as it excels at removing unpleasant smells and fumes by absorbing them in the carbon’s pores. The CADR rating on this model ranges from 57 to 69, which means it can purify the air in a small room very quickly. The noise level on this purifier is from 30 to 46 dB, which is pretty quiet and will not disturb your sleep. This unit also has a sleep mode for restful nights. The intuitive LED controls make it easy to operate, and the easy filter maintenance means you won’t have to spend a lot of time changing the filters. Its compact design and weight at just 5 lbs makes it easy to move from room to room. However, the high speed setting seems to be a bit loud, so we advise you keep the unit on the lower speed.

The BISSELL MyAir compares easily with the fifth-ranked product on the list, the GermGuardian RAC4825, since they’re both in the same price range. Both are also capable of trapping 99.7% of all 0.3-micron particles in the air. However, they’re different regarding the design and shape, with the BISSELL model having a shorter cylindrical stature while its counterpart looks like a small tower. Also, the RAC4825 incorporates UV light for killing germs, although it’ll cost you slightly more.

    What are our favorite features?
  • 3-in-1 advanced filtering
  • Perfect for small rooms
  • Sleep mode for nighttime
  • Extremely compact and portable with its weight at just 5 lbs
    What could be better?
  • High speed preset might be a little too much in terms of noise level
Also Product Ranking:
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Consumer Engagement
Chosen by 9579 people in the past 30 days
9.3
Customer Feedback
Customer Feedback
8.9
Brand Reputation
Based onweb analytics
8.8
Features & Benefits
Product Review
9.2
9.3
5
Features
  • Coverage area: 743 sq. ft
  • Filter: activated carbon pre-filter + True HEPA filter + UV-C light
  • CADR: 100
  • Noise level: from 44 to 62 dB
  • Dimensions: 21.5 x 6.75 x 10.25 inches
  • Weight: 8.6 lbs

Other features: 3 speed settings; UV-C light reduces airborne mold and germs; filter change indicator

The GermGuardian RAC4825 is our Best Value choice for the best air purifiers for weed smoke because it offers good coverage at a reasonable price. It covers 743 square feet with its 3-in-1 filtration system. The unit’s True HEPA filter is able to capture 99.97% of airborne particles, while the activated carbon pre-filter helps to reduce odors and VOCs. The UV-C light also works to kill mold and germs, making this purifier a great option for homes with allergies or pets. With a CADR rating of 100, it is capable of cleaning the air in a room quickly. The noise level on this unit is from 44 to 62 dB, which is above average for models on our list, but still overall quiet. It also has three speed settings, so you can adjust it to your needs and air condition. The filter change indicator is a handy feature that lets you know when it is time to replace the filter. However, the cable seems to be a bit off, so you might need to contact the manufacturer to get a replacement if it does not work.

The GermGuardian RAC4825 is the only model on the list that incorporates a UV light for killing germs in filtered air. All other models use HEPA filters. As such, it might be the most effective against airborne viruses in weed smoke. Additionally, while it is one of the smaller air purifiers on the list, it’s also fairly affordable. Therefore, even if it can’t work for large areas, you might be able to afford two or three to cover the extra space.

    What stands out?
  • Amazing value for money
  • Considerable coverage of 743 square feet
  • UV-C light that kills mold and germs
  • Versatility in speed settings
    What cons did we manage to find?
  • Cable might be malfunctioning
Also Product Ranking:

Things to Consider

Choosing an air purifier for weed smoke could be an arduous task, especially if you are not familiar with all the specs and features. There are many brands and models on the market, which can make it challenging to find a reliable one that will meet your expectations. However, we are here to help you out and make your task easier by composing this buying guide.

How Weed Smoke Pollutes the Air

The most frequent pollutants are particulates and VOCs. VOCs are a large group of chemicals that easily become vapors or gases. They are found in many household products, such as cleaning supplies, personal care products, and pesticides. Some VOCs can cause health problems even at low levels. Particulates comprise both liquid and solid particles, whereas the primary chemicals in weed smoke are formaldehyde, nitrogen oxide, benzene, and carbon monoxide. Still, other compounds exist in smaller quantities.

Benefits of Using an Air Purifier

5 Best Air Purifiers for Weed Smoke - Nobody Will Know What You Did Last Night (Winter 2023)
Purchasing an air purifier could drastically improve your air quality by removing airborne contaminants and reduce or completely eliminate allergic reactions.
  • They remove airborne contaminants from the air, improving air quality and making it healthier to breathe.
  • Air purifiers help to reduce or eliminate allergic reactions by removing pollen, dust, and other allergens from the air.
  • They also help to reduce or eliminate symptoms of asthma and other respiratory conditions by removing irritants from the air.
  • Air purifiers improve the overall indoor air quality of your home or office, making it more comfortable to spend time indoors.
  • Air purifiers can prolong the life of your HVAC system by reducing the amount of airborne contaminants that can clog and damage the system.
  • They can save you money on your energy bills by making your HVAC system work more efficiently.
  • Air purifiers can help to create a healthier and more comfortable environment for your family, employees, or customers.

What Specifically Deals with Weed Odor?

After the research, we discovered that air purifiers with activated carbon and a HEPA filter are the best for eliminating weed odor and VOCs. HEPA technology is proven to be effective through multiple scientific studies, and is used in hospitals and other professional settings. The activated carbon in our air purifiers work to eliminate odors by trapping molecules from the air that cause smell. This is the same technology that is used in water filters and other odor-eliminating products.

Signs You Need an Air Purifier for Weed Smoke

  1. You can smell weed smoke even when you’re not near a smoking source.
  2. Your eyes become irritated and watery when you’re in a room with weed smoke.
  3. You start coughing for no reason after being in a room with weed smoke.
  4. You get headaches more often when you’re exposed to weed smoke.
  5. You feel dizzy or lightheaded after being in a room with weed smoke.

If you’re experiencing any of these symptoms, it’s a good idea to invest in an air purifier for your home. This will help remove the weed smoke from the air and make it safer for you to breathe.

How to Pick the Best Air Purifier for Weed Smoke

Filtration system

5 Best Air Purifiers for Weed Smoke - Nobody Will Know What You Did Last Night (Winter 2023)
The Bissell MyAir is the perfect example of an air purifier capable of eliminating weed smoke and odor by incorporating a 3-step filtration system.

As we stated before, air purifiers that use activated carbon filters combined with HEPA are particularly effective at removing weed smoke from the air. By trapping pollutants and odor-causing molecules inside the pores of the activated carbon, these filters are able to effectively remove them from the air.

Coverage area

Coverage area is a important factor to consider when purchasing an air purifier for weed smoke. The size of the room or area that needs to be purified should be considered when making your decision. Some air purifiers are designed for small spaces and will not work as effectively in larger areas. You can read more about such models in our guide on the best dorm room air purifiers, as they tend to be smaller than regular ones. It is important to choose an air purifier with the appropriate coverage area for your needs in order to achieve the best results. Options from our list range from 427 to 3,175 square feet, making it easy to find the perfect fit for your home.

CADR rating

A CADR rating is a measure of how well an air purifier can clean the air in a specific room size. The higher the CADR rating, the better the air purifier will be at removing airborne particles from the air.

Air purifiers with high CADR ratings are often more expensive, but they are also more effective at cleaning the air. When choosing an air purifier, it is important to consider the size of the room you will be using it in and the level of pollution in the air. If you have a large room or a lot of pollution, you will need an air purifier with a high CADR rating.

Noise level

When it comes to air purifiers, the noise level is an essential consideration. After all, you don’t want your air purifier to be so loud that it disturbs your peace and quiet. Options from our list range from 26 to 62 dB, and it all depends on their speed settings.

Operation and maintenance

Air purifiers are an effective way to remove weed smoke from the air. However, it is important to keep up with the maintenance of your air purifier in order to ensure that it continues to work effectively. Regularly changing the filter and keeping the unit clean will help to prolong its life and keep it working at peak efficiency.

Other features:

  • Air condition sensor: by detecting when the air is smoky and then automatically activating the purifier, the sensor can help to keep the air clean and fresh.
  • Speed modes: air purifiers with multiple speed settings are important for weed smoke removal because they allow you to adjust the amount of air being circulated and filtered. By having a higher air circulation rate, more of the weed smoke will be pulled through the purifier and filtered out. However, if the smoke is not too strong, you may want to use a lower setting in order to save energy. Experiment with different settings to see what works best for your situation.

FAQ

How do I get rid of the smell of weed from my neighbors?

There are a few things you can do to try and get rid of the smell of weed from your neighbors. Of course, the air purifier is your basic choice. There’s also an option to talk to them and ask them to please smoke inside or away from your house. Another is to try and block the smell by sealing up any cracks or holes in your walls or doors that might be letting the smell in. Finally, you can always call the police if the smell is really bad and you can’t get rid of it yourself.

Where is the best place to put an air purifier?

The best place to put an air purifier is in the room that you spend the most time in. This will help to remove pollutants and contaminants from the air, making it healthier for you to breathe. You should also consider putting an air purifier in any room where there is a lot of dust or other particles in the air.

Do air purifiers make the air dry?

No, air purifiers do not make the air dry. In fact, they can help to improve air quality by reducing humidity levels.

Our verdict

Based on our conclusion, the best model is the Levoit Plasma Pro 600S. With a whopping 3,175 sq. feet coverage, this purifier can effectively clean large rooms or whole apartments, and its advanced technology detects particles down to 0.3 microns in size. The Alen BreatheSmart Classic takes the second place in our top. This air purifier will effectively clean the air in spaces up to 1100 square feet, and its advanced particle sensor will constantly update you on the air condition. Those looking for the aesthetically pleasing option may consider choosing the Blueair Blue Pure 211+. Designed with style and function in mind, this unit is capable of purifying large spaces with its advanced 3-step filtering. Every model from our list of the best air purifiers for weed smoke is worth looking into, and we ensure that you will be content with your decision.

References

1.
Assessing effectiveness of air purifiers (HEPA) for controlling indoor particulate pollution
The present study deals with an evaluation of the air purifier's effectiveness in reducing the concentration of different sized particulate matter (PM) and ions in the real-world indoor environment.
2.
Secondhand Marijuana Smoke Health Effects Marijuana CDC
The known risks of secondhand exposure to tobacco smoke - including risks to the heart and lungs - raise questions about whether secondhand exposure to marijuana smoke causes similar health risks.
9,9
Total Score
Levoit Plasma Pro 600S - Editor's Choice
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