How to Tell If an Air Purifier Is Working with 4 Easy Methods in 2022

how to tell if an air purifier is working

Are you curious about how to tell if an air purifier is working? If so, we’ve got the answer. Whether it’s your home or office that needs a boost of clean air to improve your overall health.

Although, there are several ways to tell if an air purifier is working. But we will discuss four simple and easy methods.

4 Ways on How to Tell If an Air Purifier Is Working

Air purifiers are an excellent way to improve indoor air quality. These are widely used in homes, offices, and even hospitals. But they can also be very expensive and hard to understand. It’s important to know how an air purifier works and if it is working or not?

Let’s look at some of the most common ways to check if your air purifier is properly working or not.

1. Check the Air Filters Physically

If you are using an air purifier, you can do a few things to make sure it’s working properly. First, turn the machine on and allow it to run for about 20 minutes. To keep your air cleaner working, you need to ensure that the filters are clean and debris-free.

does an air purifier really works

If you notice that the indicator light is not working, then this could be a sign that the filters are clogged. Check the filters for holes or tears, and change them if necessary.

You should remove the filter and check them physically. If the air filters are clogged, you should clean and replace the dirty filters for maximum efficiency.

Also, read the device’s user manual for more information if you’re unsure whether Pre-filter, carbon filter, or true HEPA filter needs to be replaced. You can also check this through the filter life indicator.

2. Test Airflow

Look at how much airflow is being produced by your machine. A good way to do this is to put your hand over one of your unit’s intake or exhaust ports and see the air purifier’s airflow from that point into either open space or directly into your face.

how do you know if your air purifier is working

An air purifier has a fan that blows the air circulation through filters that remove all contaminants, including dust particles, pollen, and pet dander, from the indoor air.

Sometimes large pollutants particles choke the filters, and the unit becomes noisy. If the fan is making an unusual noise, it’s most likely that the air filters are dirty, and you need to replace them immediately.

3. Use Chemical Test Kits

how to check your air purifier is working

Another way to check the working of an air purifier is to use a chemical kit. Chemical test kits can help assure you that an air purifier is cleaning the air around you.

This device can do an air quality test by measuring the levels of pollutants in the air and then informing you whether or not your cleaner is doing its job.

Chemical test kits inform you about the air via lights. So, it’s also important to know what the test kits lights mean.

Sometimes, many different indicators light up at once, and it is hard to tell if you see green, red, or orange light. Read the instruction manual to know about the color-coding of the test kit.

4. Use an Air Quality Monitor

Air Quality Monitor or Air Quality Meter is a device that detects airborne pollutants in the air. Some modern air purifiers have a built-in air quality monitor. It is used to measure the concentration of a particular pollutant in real-time.

use an air quality monitor for air quality

An indoor air quality sensor can help you to detect whether your air purifier is working correctly or not. You can easily monitor the air pollution levels with air quality monitors.


All in all, it is not easy to tell if an air purifier is working or not. But, we have made it easier for you by providing some guidelines that can help you check your air purifier’s efficiency.

You may adopt one method that suits you the best. Furthermore, you can contact the manufacturer for support if your air purifier is not working properly.

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