How to Clean a Blueair Filter: 10-Step Easy Guide To Make Your Filter New

How to clean a Blueair filter? This question may have often troubled you if you own a Blue air purifier. As an air quality enthusiast, I can attest to the significance of cleaning. In this guide, I’ll walk you through the art of maintaining your Blue air filter with 10 simple steps. Let’s dive in and unlock the secrets!

Quick Answer

Cleaning the filter is not complicated but requires some care and attention. You don’t want to damage or reduce air quality or the overall performance by using the wrong tools or methods.

The basic process of cleaning your dirty air purifier filter involves:

  • Removing the filter;
  • Vacuuming it to remove dust;
  • Wiping it with a damp cloth;
  • Letting the filter dry.

But that’s just the beginning. Continue reading to explore detailed cleaning steps, pro tips, and innovative hacks to keep your filter performing at its peak. Let’s get started!

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The Significance of Regular Maintenance for Your Blueair Air Purifiers

You might be wondering why you must clean your Blueair filter in the first place. After all, isn’t the filter supposed to trap dirt and pollutants from the air? 

Well, yes, but that also means that the filter can get dirty and clogged over time, affecting its performance and efficiency. 

Here are some of the benefits of cleaning your Blueair filter regularly:

The Significance of Regular Maintenance for Your Blueair Air Purifiers

  • Improving the air quality: A clean filter is necessary as it can capture more particles from the air. In this way, it ensures a fresher and healthier environment for you.
  • Extending the lifespan: Cleaning a filter on a daily basis increases its life. A dirty air filter can wear out faster and lose effectiveness, so you must replace it more often.
  • Reducing energy consumption: Having a clean filter lowers your overall energy bills. A dirty device can make your air purifier work harder and use more electricity, increasing your energy costs. 
  • Preventing unwanted odors: Clean air filters can also tackle unwanted odors. In this way, it can help leave your home smelling fresh and inviting.
  • Decreasing the overall damage: Lastly, a clean filter can prevent damage to your air purifier. Contrary, a dirty filter can cause problems like overheating or malfunctioning, etc.

How to Clean a Blueair Filter? 10-Step Effective Guide

Now that you know why cleaning your Blueair filter is important, let’s see how to do it effectively. Follow the below section, and you will have a clean and efficient filter in no time.

How to clean a Blueair filter

Step 1: Collect the Necessary Tools

First, you need to collect all the necessary tools before cleaning your Air Purifier’s filter. The following are the things that you should have under your hand:

If your filter is washable, you may also need some mild soap or cleaning solution, like Keurig Brewer Maintenance Kit. Check the manufacturer’s instructions for the specific type of filter you have.

Step 2: Safely Power Down and Unplug the Air Purifier

This is an important step for your safety and to prevent any damage to the device:

Safely Power Down and Unplug the Air Purifier

  • Before starting the cleaning process, turn off the device with the help of a power button and then unplug it. 
  • Ensure that it is cool before you touch it. You can let it cool down for a few minutes before you start the process. 

Step 3: Take Out the Purifier Filter

Once you are done with the formalities, it is time to start the cleaning process. Before that, you have to remove the filter from the device. 

Take Out the Purifier Filter

  • The position of the air filter varies depending on the model of your Blueair purifier.
  • It is either located on the back or the side of the unit.
  • You may need to open a door, slide out a tray, or unscrew some screws to access the filter.
  • Gently remove the compartment that houses the filter and then slide out the filter. 

Be careful not to damage or bend the filter while removing it.

Here’s a related helpful video that you should also check out.

YouTube video

Step 4: Consult the Manufacturer’s Cleaning Guidelines

Getting yourself familiar with the guidelines related to your device is essential:

  • Different types of filters may have different cleaning methods and frequencies.
  • Some filters are disposable and should not be cleaned, while others are reusable and can be cleaned several times. 

You can either get this information from the manual that comes along or by visiting the official website

Step 5: Use a Vacuum Cleaner or Wipe the Air Purifier’s Exterior

Now, if you have removed the filter, let’s start the main process.

Use a Vacuum Cleaner or Wipe the Air Purifier’s Exterior

Wiping the Exterior

Depending on the model, the cleaning process may vary. Generally, you can use a soft brush or a damp cloth to remove any dust from the outside of the device.

Cleaning with a Vacuum

If you are using a vacuum, use gentle suction (set it to low suction mode) to clean the HEPA or high-efficiency particulate air filter.


Pay attention to important precautions:

  • Remember not to apply too much pressure or scrub the filter hard.
  • Avoid using any harsh chemicals or abrasive materials that could scratch or damage the surface of the HEPA filter.
  • Take special care while cleaning the buttons and control panel. Don’t make them wet at any cost; use cotton swabs for precise wiping. 

Read Also: Roomba i3 vs j7: Which Is The Best Robot Vacuum Cleaner

Step 6: Use a Soft Brush or Gentle Vacuuming to Clean Blue Air Purifier

To clean the interior of the blue air purifier’s filter, you can follow these guidelines:

Use a Soft Brush or Gentle Vacuuming to Clean Blue Air Purifier

  • Use a soft brush to get rid of any dust or debris from the filter surface gently.
  • For maximum output, use a gentle vacuum cleaner to suck up any loose particles.
  • Do not use too much pressure or force to remove dust, which could damage the filter fibers.
  • Lastly, try to cover the whole filter and give special attention to the troughs or folds of the plate, as there could be airborne particles, dust buildup, or more than usual debris in these areas.

Step 7: If Allowed, Rinse or Wash the Filter as Per the Instructions

After the initial touching-up, you can rinse or wash the filter if the company allows.

  • Some HEPA filters can be rinsed with water or washed with mild soap to remove any stubborn dirt or stains.
  • Ensure you follow the manufacturer’s instructions on washing your filter and what type of soap to use.
  • Keep in mind not to use any mild detergent or bleach, fabric softener, or other chemicals that could harm the filter.
If Allowed, Rinse or Wash the Filter as Per the Instructions

Step 8: Ensure Full Drying for Both Filter and Purifier

Once you finish the cleaning, let your cleaned filter air dry for some time. This is important to prevent mold, mildew, or bacteria growth on the filter or inside your device. To dry the filter:

  • Place it along with an air purifier in a well-ventilated area and let them air dry completely naturally.
  • You can also squash the air inlet filters to remove the excess trapped moisture.
Important! Do not use any heat sources such as hair dryers, ovens, or microwaves to speed up the drying process, as this could damage the filter or air purifier.

Step 9: Reinstall the Clean Filter Securely

Once you are sure that the filter is completely dry, return it to the device. Follow the same guidelines as in step 3 but in reverse order to reinstall the filter. Also, ensure that the filter is securely fitted and in position with the air purifier. 

Reinstall the Clean Filter Securely

After putting back the pre-filters on the filter, place the filter compartment cover and secure it tightly.

Step 10: Plug in and Activate the Purifier

Finally, It is time to turn on and start the air purifier. But before that, ensure that all the buttons and controls are in their appropriate positions. Plus, use a good outlet that gives a stable power supply. 

Congratulations! You have successfully cleaned your Blueair filter and restored its peak performance and efficiency. Enjoy breathing optimal air purification.

4 Effective Maintenance Tips for a Clean and Efficient Air Purifier

Besides cleaning filters, you also need to do a few other things to keep your air purifier well in shape. Below are some maintenance tips that you need to follow to ensure that your purifier works well and lasts long:

4 Effective Maintenance Tips for a Clean and Efficient Air Purifier

  • Check the filter replacement indicator: Most Blue air purifiers have a filter status indicator that tells you when the filter needs to be replaced. For more insights, refer to your user manual for more details on how to read the indicator and when to change the filter.
  • Replace the filter when needed: Even if you regularly clean your filter, it will eventually wear out. Depending on the type of filter and the air quality in your home, you may need to replace it every 6-12 months.
  • Keep the air purifier away from dust and moisture sources: To prevent the filter from getting damaged quickly, place your device in a location that is free from excessive dust, moisture, and heat. Prefer a spot where the purifier can effectively circulate the air in the entire room.
  • Clean the air purifier regularly: Besides cleaning the filter, you should also clean the exterior and interior of the portable air purifiers from time to time. Use a soft brush or a damp cloth to wipe off any dust or dirt from the surface. Additionally, clean the surrounding area for the better performance of the device. 

Read Also: Best Air Purifier for Large Rooms: Top 10 Purifiers in 2023


Can you wash the Blueair purifier filter?

Yes, you can wash some Blueair filters, but not all of them. Check the manufacturer’s instructions for your specific type of filter before washing it.

How often do you need to clean a Blueair filter?

The Blueair filter should be cleaned every 1 to 3 months, depending on the frequency of use and conditions of use. For better guidance, check the filter condition indicator and perform routine maintenance.

Can you reuse Blueair filters?

Yes, you can reuse Blueair filters by cleaning them regularly, but not all of them can be reused, and you may have to replace them.


Summing up, if you own a Blueair quality portable air purifier or a standard one, it’s important to do regular maintenance and clean the built-in filter. This will allow keep it in tip-top shape and will provide its excellent effectiveness.

I would suggest you clean your device’s filter after every 1-3 months to keep your living spaces pristine and refreshing. For this, you should wipe it with a soft brush, or sponge or do a gentle vacuum.

You can also clean it with a cleansing solution like Keurig Brewer Maintenance Kit. Lastly, do not forget to keep an eye on the filter replacement indicator.