Silent Operation: The Importance of Noise Levels in Air Purifiers

Silent Operation: The Importance of Noise Levels in Air Purifiers

Air purifiers play a vital role in maintaining good indoor air quality by effectively eliminating pollutants like dust, allergens, and harmful particles from the surrounding environment. These devices are becoming increasingly popular as individuals recognize the benefits of clean air for overall health and well-being. However, an often neglected aspect of air purifiers is the noise they produce during operation. This factor can significantly impact user experience and comfort, making it an important consideration when selecting the right air purifier for your needs. 1

In this article, we will delve into the significance of air purifier noise levels, providing a clear understanding of how they are measured and the factors that influence them. We will also share valuable tips on choosing the right air purifier with acceptable noise levels to ensure that it aligns with your preferences and requirements. Additionally, we will address some commonly asked questions regarding air purifier noise levels to further clarify any concerns or misconceptions.

By understanding the importance of noise levels in air purifiers and considering them in your selection process, you can make a more informed decision when investing in a device that will contribute to a cleaner, healthier, and more comfortable living environment. Read on to learn more about the crucial role of noise levels in air purifiers and how to make the best choice for your needs.

Understanding Noise Levels in Air Purifiers

Noise levels in air purifiers are commonly measured in decibels (dB). The lower the decibel level, the quieter the air purifier.

In 1974, a U.S. Environmental Protection Agency (EPA) report identified 55 dB outdoors and 45 dB indoors as the highest average levels of noise for air purifiers.2

Noise levels in air purifiers are determined by a variety of factors, including fan speed, filter type, and design. Air purifiers become noisier as the fan speed increases, as more air is forced through the filters.

The Importance of Noise Levels in Air Purifier in Daily Life

1. Enhanced concentration and productivity

Excessive noise can be a significant distraction, making it difficult to concentrate and remain productive, particularly in workspaces or study areas. A quiet air purifier helps create an environment conducive to focus and productivity by reducing background noise levels, allowing you to work or study more efficiently and effectively.3

2. Promoting relaxation and stress reduction

Persistent noise can exacerbate stress levels and hinder relaxation efforts.4 A calm and quiet living space is essential for unwinding after a long day and maintaining mental well-being. A quiet air purifier contributes to creating a peaceful atmosphere by filtering the air without generating excessive noise, allowing you to relax and enjoy your living space without any added stressors.

3. Reduced disturbance in shared spaces

A quiet air purifier is especially important in shared living or working environments, such as offices, dormitories, or apartments. Excessive noise from an air purifier can cause disturbances to others, potentially leading to conflicts or negatively impacting their daily routines. A quiet air purifier ensures that the device cleans the air effectively without causing any inconvenience to those around you, promoting a harmonious coexistence.

4. Improved sleep quality

A restful night's sleep is crucial for overall health and well-being. However, a noisy air purifier can disrupt sleep patterns, leading to restless nights and adversely affecting your daily life.3 A quiet air purifier operates unobtrusively, ensuring a peaceful and healthy sleeping environment by maintaining clean air without generating disruptive sounds.

The noise levels of air purifiers play a crucial role in various aspects of daily life, from promoting focus and productivity to ensuring restful sleep.3 By understanding the importance of noise levels and selecting a quiet air purifier, you can significantly enhance your living environment's comfort and overall quality of life.

Tips on how to Choose the Right Air Purifier

When selecting an air purifier, consider the following tips to ensure you choose one with acceptable noise levels:

1. Check the decibel rating

Look for air purifiers with a low decibel rating, ideally below 50 dB for sleeping areas and below 60 dB for other living spaces. Forbes Air Purifier 150 Surround 360° operates and works silently. It has a Noise Level of <55 dB. It comes along with an integrated True HEPA Grade 13 filter to provides purified air that ensures a healthier environment. Ideal for a bedroom up to 200 Sq. Ft. It can remove 99.97% dust & particulate matter as small as 0.1 um. It additionally has a Fan speed that can be changed to low, medium, and high along with a timer setting of 2,4, and 6 Hours.

2. Adjustable fan speeds

Choose an air purifier with multiple fan speed settings, allowing you to customize the noise level to your preferences and needs. For instance, the Forbes 355 Surround 360° Air Purifier comes with an adjustable fan speed that can be changed from 1 to 12 along with a 6-level timer setting. Additionally, the air purifier comes with an integrated Pre-filter, Activated Carbon Filter, True H13 HEPA filter, and Plasma filtration that removes dust, dirt, and debris as small as 0.1 um. It also has auto-sense mode and sleep mode.

3. Filter type

Some filters, such as HEPA filters, may produce less noise than others. Research the filters used in the air purifier and their associated noise levels. Most Eureka Forbes air purifiers come with a Pre-filter, Activated Carbon Filter, True H13 HEPA filter, and Plasma filtration. True H13 HEPA filter removes ultra-fine particles like pollen, mould, and microbes as small as 0.1 um. It also has auto-sense mode and sleep mode.

Frequently Asked Questions (FAQs)

1. Why do air purifiers make noise?

Air purifiers make noise primarily due to the fan that circulates air through the filters. The noise level depends on the fan speed, filter type, and overall design of the air purifier.

2. Which is the quietest air purifier?

The quietest air purifiers typically have a decibel rating between 50-60 dB. Air Purifiers by Aquaguard are perfect to match your requirements. It is important to research and read reviews to find the quietest air purifier that meets your specific needs and requirements.

3. What is the noise level of an air purifier?

The noise level of an air purifier depends on its design, fan speed, and filter type. Air purifiers produce noise levels ranging from 30 dB (whisper-quiet) to 70 dB (like a vacuum cleaner).5 It is essential to consider the noise level when choosing an air purifier, especially for sleeping areas or shared spaces.


To summarize, understanding and evaluating air purifier noise levels is critical when choosing the best device for your needs. A quiet air purifier can make a major difference in your everyday life by providing a tranquil and healthful environment. By buying an Air Purifier by Eureka Forbes, you can make an informed decision and select an air purifier with appropriate noise levels for your personal requirements.


  1. Sheng, Y., Dong, D., He, G., & Zhang, J. (2022). How Noise Can Influence Experience-Based Decision-Making under Different Types of the Provided Information. International Journal of Environmental Research and Public Health, 19(16). / Accessed on 27/02/2024

  2. Centers for Disease Control and Prevention. (n.d.). Public health scientific information on noise and hearing loss. Retrieved from Accessed on 27/02/2024

  3. Vijayan, V. K., Paramesh, H., Salvi, S. S., & Kumar Dalal, A. A. (2015). Enhancing indoor air quality –The air filter advantage. Lung India : Official Organ of Indian Chest Society, 32(5), 473-479. Accessed on 27/02/2024

  4. Psychology Today. (2022, February 12). How constant noise keeps us chronically stressed. Retrieved from Accessed on 27/02/2024

  5. Level Up Breath. (n.d.). Understanding air purifier noise levels. Retrieved from Accessed on 27/02/2024

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