Health and Me

Itisha Arya

Using An Air Purifier At Home? Pulmonologist Warns These 5 Common Mistakes Could Put Your Lungs At Risk

air purifier common mistakes

With winter setting in, Delhi and the NCR are once again dealing with a sharp rise in air pollution, with AQI levels often slipping into the “very unhealthy” category. Hazy mornings, dense smog, and a steady increase in breathing problems have made clean air feel out of reach for many residents. As a result, people are relying more on air purifiers indoors and masks outdoors. 

Still, not everyone knows how to use these measures correctly. We spoke to pulmonologist Dr. Vijay Kumar Agrawal, Director of Pulmonology and Critical Care at Yatharth Super Speciality Hospital, Faridabad, who shared a few important points that can help protect your lungs even inside your home.

<h2>What Is An <span rel="noindex">Air Purifier</span>?</h2>

An air purifier is a device designed to improve indoor air quality by filtering out pollutants such as dust, pollen, pet hair, smoke, and mold spores. It works by pulling air through filters like HEPA or activated carbon, or by using certain technologies, and then releasing cleaner air back into the room. 

This process can help reduce triggers for allergies and asthma and make breathing easier. While air purifiers are particularly helpful for people with respiratory conditions, growing pollution levels have made them a common household choice even among otherwise healthy individuals. That said, simply owning an air purifier is not enough. There are a few key things you should keep in mind while using one.

<h2>Select Air Purifier With HEPA Filter Only</h2>

Dr. Agrawal advises choosing an air purifier that uses a HEPA filter. Many people unknowingly use air purifier that release ozone or free radicals, which can increase the risk of breathing problems, irritation, coughing, and shortness of breath. According to him, “Air purifiers with HEPA filters are ozone-free and safer because they do not emit harmful particles or ozone into the air.”

<h2>Always Maintain An Ideal Indoor Humidity Level- 40-50%</h2>

To reduce the impact of viruses, indoor pollutants, and dryness on the body, it is best to maintain indoor relative humidity between about 40% and 60%. Dr. Agrawal explains that excessive use of air purifiers can lower humidity levels indoors, leading to dryness. “Low humidity can irritate the airways and may worsen respiratory issues,” he says.

<h2>Keep Your Air Purifier 2-6 ft Away From You</h2>

Experts recommend keeping an air purifier at a distance of around 2 to 6 feet from where you sit or sleep. Placing it within this range helps clean the air more effectively in your breathing zone, especially in spaces like bedrooms or offices. Dr. Agrawal notes, “Keeping the air purifier at an appropriate distance helps reduce PM2.5 and PM10 levels, along with other particles such as pollen, mold spores, and certain bacteria around us.”

<h2>Dont Burn Incense Sticks And Mosquito Coils With An Air Purifier In The Room</h2>

In many Indian households, burning incense sticks or mosquito coils indoors is common. However, these release chemical irritants that can be harmful to the lungs. Using them in the same room as an air purifier defeats the purpose of cleaner air and should be avoided.

<h2>Dont Tightly Close Windows And Doors</h2>

Proper ventilation is still important, even when using an air purifier. Dr. Agrawal recommends keeping at least one window or a small door slightly open to allow fresh air exchange. This helps ensure a supply of oxygen from outside and prevents indoor air from becoming stale.

Dr. Agrawal adds that while using an air purifier is generally safe and even long-term use is not harmful, following these precautions is essential to truly protect your lungs and maintain healthier air indoors.

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With winter setting in, Delhi and the NCR are once again dealing with a sharp rise in air pollution, with AQI levels often slipping into the “very unhealthy” category. Hazy mornings, dense smog, and a steady increase in breathing problems have made clean air feel out of reach for many residents. As a result, people are relying more on air purifiers indoors and masks outdoors. Still, not everyone knows how to use these measures correctly. We spoke to pulmonologist Dr. Vijay Kumar Agrawal, Director of Pulmonology and Critical Care at Yatharth Super Speciality Hospital, Faridabad, who shared a few important points that can help protect your lungs even inside your home.What Is An Air Purifier?An air purifier is a device designed to improve indoor air quality by filtering out pollutants such as dust, pollen, pet hair, smoke, and mold spores. It works by pulling air through filters like HEPA or activated carbon, or by using certain technologies, and then releasing cleaner air back into the room. This process can help reduce triggers for allergies and asthma and make breathing easier. While air purifiers are particularly helpful for people with respiratory conditions, growing pollution levels have made them a common household choice even among otherwise healthy individuals. That said, simply owning an air purifier is not enough. There are a few key things you should keep in mind while using one.Select Air Purifier With HEPA Filter OnlyDr. Agrawal advises choosing an air purifier that uses a HEPA filter. Many people unknowingly use air purifier that release ozone or free radicals, which can increase the risk of breathing problems, irritation, coughing, and shortness of breath. According to him, “Air purifiers with HEPA filters are ozone-free and safer because they do not emit harmful particles or ozone into the air.”Always Maintain An Ideal Indoor Humidity Level- 40-50%To reduce the impact of viruses, indoor pollutants, and dryness on the body, it is best to maintain indoor relative humidity between about 40% and 60%. Dr. Agrawal explains that excessive use of air purifiers can lower humidity levels indoors, leading to dryness. “Low humidity can irritate the airways and may worsen respiratory issues,” he says.Keep Your Air Purifier 2-6 ft Away From YouExperts recommend keeping an air purifier at a distance of around 2 to 6 feet from where you sit or sleep. Placing it within this range helps clean the air more effectively in your breathing zone, especially in spaces like bedrooms or offices. Dr. Agrawal notes, “Keeping the air purifier at an appropriate distance helps reduce PM2.5 and PM10 levels, along with other particles such as pollen, mold spores, and certain bacteria around us.”Dont Burn Incense Sticks And Mosquito Coils With An Air Purifier In The RoomIn many Indian households, burning incense sticks or mosquito coils indoors is common. However, these release chemical irritants that can be harmful to the lungs. Using them in the same room as an air purifier defeats the purpose of cleaner air and should be avoided.Dont Tightly Close Windows And DoorsProper ventilation is still important, even when using an air purifier. Dr. Agrawal recommends keeping at least one window or a small door slightly open to allow fresh air exchange. This helps ensure a supply of oxygen from outside and prevents indoor air from becoming stale.Dr. Agrawal adds that while using an air purifier is generally safe and even long-term use is not harmful, following these precautions is essential to truly protect your lungs and maintain healthier air indoors.