Are air purifiers good for your lungs?

Author: Cleve Labadie  |  Last update: Thursday, July 10, 2025

Simply put, improved indoor air quality will help you breathe better. Air cleaning devices such as air purifiers help improve the quality of your indoor air by removing or reducing pollutants and allergens. These substances may worsen symptoms of allergies or asthma.

Do air purifiers clean your lungs?

How air purifiers can boost your health. Many of the potential benefits of using an air purifier are related to your lungs, particularly for conditions such as asthma. “By filtering out fine particles, purifiers help clean the air you breathe and lessen the potential negative effects of pollution,” says Dr. Taliercio.

Is there a downside to air purifiers?

What are the downsides of air purifiers? There aren't a lot of downsides to having an air purifier in your home aside from the financial investment. Many ionizers, especially older models, can generate ozone when they are operating, which is known to exacerbate asthma.

Do doctors recommend air purifiers?

However, the benefits of an air purifier only go so far. Medical professionals suggest prioritizing maintaining a clean home and frequently sanitizing frequently used surfaces. Air purifiers should just be an accessory to your cleaning routine, not a priority.

Do pulmonologists recommend air purifiers?

Household Air Purifiers May Improve Outcomes for Patients Living With COPD. Adding air purifiers into the home directly improves cardiac autonomic function and respiratory health for patients living with chronic obstructive pulmonary disease (COPD).

Air Purifiers: Do They Actually Work?

Are there health concerns with air purifiers?

People who buy ozone generators may not be aware that ozone can harm the cells in the lungs and respiratory airways. Exposure to ozone irritates and inflames the lining of the respiratory system. This causes symptoms including coughing, chest tightness, shortness of breath, and impaired breathing.

What is the safest type of air purifier?

If you decide to purchase a portable air cleaner, filtering air cleaners with High Efficiency Particulate Air (HEPA) filters are recommended because these do not emit ozone but do remove particulate matter from the air.

What are the negative side effects of HEPA air purifiers?

Headaches, sore throat, coughing, Asthma attacks, and difficulty breathing are a few of the symptoms that can be brought on by some air purifiers. Yes, that's right. Your air purifier may actually aggravate many of the health issues you hoped it would solve.

Are there any proven benefits to air purifiers?

Air filters have a positive impact on vascular health

Air filters reduced indoor fine particle concentrations by 60%. Filtration was associated with a 9.4% (95% confidence interval, 0.9-18%) increase in reactive hyperemia index and a 32.6% (4.4-60.9%) decrease in C-reactive protein.

How long does it take to see the effects of an air purifier?

In a typical home environment, an effective air purifier can start to reduce these pollutants within 30 to 60 minutes. Noticeable improvements in air quality are often observed within a few hours, with significant reductions occurring over 24 hours of continuous use.

Where should you not put an air purifier?

Ensure your air purifier has enough clearance around it to function optimally. Avoid placing it behind furniture or in tight corners where airflow might be restricted. Ideally, there should be at least 3-5 feet of clear space around the unit to allow for unimpeded air intake and output.

Is it OK to sleep in a room with an air purifier?

Placing an air purifier in your bedroom can allow you to breathe clean air for hours at a time, which you may not be able to experience during the day. However, to get the most benefit to your indoor air quality, you should make sure that your air purifier is in an ideal spot, like your nightstand, while you sleep.

What are the two disadvantages of hepa filters?

The first is related to their cost. A high-quality HEPA filter can cost anywhere from a few hundred dollars up to several thousand depending on the size and model and the area to be covered. Secondly, they need to be regularly maintained and replaced in order to keep them working properly.

How do you purify your lungs?

Lungs are self-cleaning organs that will begin to heal themselves once they are no longer exposed to pollutants. The best way to ensure your lungs are healthy is by avoiding harmful toxins like cigarette smoke, vaping and air pollution, as well as getting regular exercise and eating well.

Do air purifiers help with coughing?

Can air purifiers help alleviate coughing symptoms? Yes! Air purifiers can help alleviate symptoms of many respiratory conditions including coughing, wheezing, asthma and COPD symptoms (asthma attacks), shortness of breath, and more.

What is the best position to sleep in to clear your lungs?

If you have a long-term (chronic) lung problem associated with excessive mucus, or you have increased mucus from an infection, lying with your chest lower than your belly (abdomen) can help loosen and drain extra mucus from your lungs.

Which is better, an air purifier or a humidifier?

Both devices can be beneficial to use in your workplace, depending on your needs. If you want to remove pollutants and allergens from the air, an air purifier is the best choice. A humidifier is the best choice to add moisture to the atmosphere.

Does an air purifier increase oxygen?

Oxygen in air is about 21%. Purification removes particulates and may make air smell cleaner or crisper. This may give the impression that there is more oxygen, but the percentage remains the same.

Do air purifiers actually clean the air?

The reality is, air purifiers offer an effective option for helping remove particles from the air that circulates in your home.

Why are HEPA filters rarely used in homes?

Part of the reason that HEPA filters are so rarely used in HVAC systems is that they are extremely restrictive in terms of airflow. This means that the system needs to be extremely powerful and use additional fans in order to properly draw air through the HEPA filter and circulate it throughout the room or building.

Do air purifiers dry out your nose?

While an air purifier can help reduce dust particles and irritants that could worsen symptoms, if there is low humidity in the home this can lead to dry nasal passages and a worsening of sinus problems.

What is the very best air purifier on the market?

Our Top Picks for the Best Air Purifiers:
  • Best Overall Air Purifier: Coway Airmega True HEPA Purifier, $225.
  • Best Runner-Up Air Purifier: Coway Airmega 250 Smart Air Purifier, $319 $290.
  • Most Versatile Air Purifier: Dyson Purifier Humidify+Cool Formaldehyde, $806.

Do air purifiers get rid of dust?

The short answer is yes, most air purifiers on the market are designed to remove large dust particles from the air. Many feature mechanical filtration, which is a method of capturing pollutants on filters.

Where should I place my air purifier?

Keep your device away from moisture or areas with high humidity. Place your device at least 6 inches from walls, furniture, or other items while in use. Place your air purifier near the most likely source of indoor air pollution. Consider investing in an air purifier that shuts off automatically with a timer.

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