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Where does dust come from in a closed room? Know the surprising reasons and 5 magical solutions
Samira Vishwas | November 10, 2025 10:25 PM CST

Dust Control Tips: Some studies have shown that 20 to 50 percent of house dust is actually made up of dead skin cells of you and your family members. Apart from this, pet hair and skin flakes are also included in it. Cooking, burning candles, or smoking indoors also produces very fine and harmful dust, which can be extremely dangerous to health.

Dust Control Tips: You must have often noticed that even if the doors and windows of the house are closed, within a few days a layer of dust accumulates on the furniture and floor. Does this dust infiltrate from outside like thieves? Or does it grow inside your house itself? This question is not only yours but of scientists all over the world.

Recently, in the ‘DustSafe’ program organized at Macquarie University in Australia, experts from all over the world did extensive research on this ‘mysterious’ dust, in which some shocking revelations were made. Research shows that the problem of dust is so complex that it is wrong to link it only to outside air. Dust is not just pollution, it is a natural phenomenon.

Some part of the dust is natural, which reaches our homes with the wind from rocks, soil and even space. According to research, about two-thirds of the dust that accumulates in our homes comes from outside. It enters secretly through our clothes, shoes, pets and air. You may not see these particles, but every time you come in from outside, you bring a small batch of dust with you.

You make half of the dust in your house.

This is the most surprising fact. Scientists have found that about one-third of the dust in your home is generated indoors, and the biggest contributor is your own body!

Yes, some studies have shown that 20 to 50 percent of house dust is actually made up of dead skin cells of you and your family members. Apart from this, pet hair and skin flakes are also included in it. Cooking, burning candles, or smoking indoors also produces very fine and harmful dust, which can be extremely dangerous to health.

Health warnings to dust

Dust is not just a cleaning problem; This is a serious health risk. Dust particles present in the house can cause common problems like asthma, frequent sneezing, runny nose and difficulty in breathing. Experts warn that fine dust also increases the risk of cancer and serious diseases to the reproductive system in the long term.

5 magical ways to stop

If you are tired of this intrusion of dust, then here are some simple and effective ways, which will help in keeping your home clean.

Door mats and no-shoe rules: Place a good quality door mat at the door and make it a habit to take off your shoes inside the house. It can reduce outdoor dust by up to 80%.

Cleaning with wet cloth: By removing dust with a dry broom or cloth, the particles fly into the air and settle elsewhere. Always use a wet or slightly damp cloth so that dust particles can be easily caught.

Use of vacuum cleaner: Use a vacuum cleaner regularly, especially in areas where dust accumulates.

Cleaning pets and clothes: When pets or children come from outside, clean their bodies and clothes with a towel. Wash clothes worn outside immediately.

Avoid chemicals: Limit the use of antibacterial products and harmful cleaning chemicals at home, as they can also create fine particles and pollutants.


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