July 19, 2025

Air purifier circulating clean air in a modern living room.

 

Sometimes, the air in your home feels fine. However, it may still contain ingredients that are not beneficial to you. Some homes have more dust or gases inside than outside. Tiredness or sickness can also come from that air. Sneezing or a headache may follow this air. Asthma or allergies can worsen all of this.

Things like paint, smoke, pets, and food smells can deposit things in the air that cannot be seen but that will affect how one feels. You cannot always see it. But it is there. That is why it helps to test your air. You do not need to guess. This guide will show you how to test the air quality in your home. You will also learn about the things that can affect your air quality and what you can do about them.

Table of Content

 

Why Test Indoor Air Quality?

Bad air in your home can cause a cough and tiredness. It may carry smoke, mold, or harmful gases. These are not good for your health.

If you test your air, you can find out what is wrong. Then, you can make a plan to fix it. Let us look at what kinds of things you should check for.

 

Indoor Pollutant 1: PM2.5 and PM10

These are tiny dust-like bits in the air. PM2.5 means very small ones. They can get deep into your lungs. PM10 is a little bigger. These come from smoke, dust, pets, or even outside cars. They can make it hard to breathe or make your chest feel tight. You cannot see them. That is why it helps to test your air often.

 

Indoor Pollutant 2: VOCs

VOCs are gases that come from stuff like cleaning sprays, new furniture, paint, and even air fresheners. Some can give you a headache. Some may make your eyes or throat hurt. Over time, breathing them in can hurt your liver or kidneys. VOCs are worse when the house has no airflow. So, if your home stays shut all day, these can build up.

 

Indoor Pollutant 3: CO2 and CO

CO2 is a gas we breathe out. If CO2 goes high, you may feel sleepy or lose focus.

CO is a more serious gas. It comes from gas heaters or stoves that do not burn properly. CO can make you dizzy or worse. It is very dangerous. You cannot see it or smell it.

 

Indoor Pollutant 4: Radon

Radon is a gas that comes from the ground. You cannot smell or see it. But it is very bad if you breathe it in for a long time. Radon is one of the top causes of lung problems. Some areas have more radon than others.

 

Indoor Pollutant 5: Mold and Allergens

Wet places such as bathrooms or basements are great breeding grounds for molds. It can be lurking in the air without being seen. It makes some people sneeze or itch, and some asthmatic patients will also become disturbed. There are also allergens, such as pollen and dander, which float in the air. These also have to be inspected.

 

How to Test Air Quality at Home

Let’s see how to do a home air quality test.

 

Method 1: Air Quality Monitors

These are small machines that tell you what is in your air. They check for PM2.5, VOCs, CO2, and indoor AQI, etc. You just place the monitor in your room and turn it on. Do not put it near a fan or an open window. Let it sit for a day or two to get a clear idea of your air. Some monitors show numbers on a screen. Others work with an app. Additionally, there are air purifiers equipped with built-in air quality monitors that track pollutants in real time.

 

Real-time indoor air quality monitor showing PM levels, VOCs, and humidity.

 

Method 2: Test Kits

Home air test kits are simple tools. Some check for radon. Some check for mold. You put the kit in the room and leave it for a few days. Then, you mail it to a lab. The lab checks it and sends your results. This may take a week or two. These kits are cheap and good for checking one problem at a time.

 

Method 3: Hire a Pro

If you want a full check, you can call a company. They use big tools to check your air and walls. They look for gases, mold, and other bad stuff. You get a report at the end. This costs more but gives a lot of details.

 

Want to Test and Clean Your Air Together?

If you want something that checks your air and cleans it, too, then the Dreame AirPursue PM20 may help. This machine displays your air level immediately. It features 7D sensors that can tell you about dust, VOCs, humidity, and even formaldehyde. It works well in big rooms. You do not need to buy other tools.

It has a strong 4-layer filter that removes dust and smells. It also spreads clean air in all directions. You can check your air on its screen at any time. It is easy to use and works quietly.

 

Breathe Easy: Take Charge of Your Home’s Air Today

Your home air may look fine, but it may not be. Dust, smoke, gases, and mold can stay in your air and make you sick. The first step is to test your air and know what is inside. Then you can fix it.

Pick what works best for you. A monitor is great. A test kit can help. Or get a purifier that does both, like the one from Dreame. It is time to take care of the air you breathe.

Visit purifier.dreametech.com to learn more.

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