Air pollution has become a growing concern in Bangladesh, especially in divisional cities like Dhaka, due to the growth of industries, the increasing number of vehicles, as well as the excessive use of chemical fertilizers and pesticides in agriculture, which is deteriorating air quality day by day. According to the World Health Organization index-
- Dhaka's air currently has an AQI score of 74, which is considered moderate. This level of air is hazardous for sensitive individuals.
- Also, Dhaka's annual average AQI score is 168, which is almost 15 times higher than the safe limit set by the World Health Organization.
Air quality standards set by the World Health Organization -
- 0–50 AQI: This score indicates good air quality. It does not pose any health risk.
- 51–100 AQI: This score indicates moderate air quality. It is risky for sensitive people.
- 101–150 AQI: This score indicates unhealthy air for sensitive people. So sensitive people should be careful.
- 151–200 AQI: This score indicates unhealthy air, which is risky for everyone.
- 201–300 AQI: This score indicates very unhealthy air quality, which is a serious risk for everyone.
- 301+ AQI: This score indicates very hazardous air, which is a serious risk for everyone.
This air is causing various health problems, including breathing difficulties, allergies, and contributing to discomfort in daily life. Also, this type of air has a bad effect on the growth of young children. But don't worry - there are many ways to purify the air in your home, both naturally and mechanically, to provide a healthier environment for your loved ones. If you have more budget, then you can use both. So let's learn about 10 effective ways to purify the air in your home.
1. Use of Air Purifier
Air purifier is the most effective device for improving the air quality in the home. It easily removes dust, smoke, allergens, and other harmful particles from the air. A good quality air purifier helps in filtering out pollutants. These types of devices have advanced filter technologies like HEPA filters and UV-C lights, which easily deal with airborne particles and maintain good air quality.
2. Regular dust cleaning
Dust accumulation in the home is a common problem due to external pollution. Regular cleaning is essential to prevent dust accumulation in the home. Especially in dry weather or during summer, dust frequently accumulates on furniture, shelves, and floors in the home. You can use a vacuum cleaner with a HEPA filter to remove small dust particles and fungus.
3. Keep windows open for air
To maintain good ventilation inside your home, you need to ensure proper ventilation. During the rainy season, the outside air is quite clean, so keep the windows of the room open during this time, which will help in fresh air circulation. As a result, pollutants will not accumulate inside the house, and your living space will be fresh. However, the outdoor air AQI score should be measured before opening the house windows in winter or dry season.
4. Plants in the room for natural air purification
Some household plants help in purifying the air by absorbing toxins and providing oxygen. Some of the best plants for air purification include snake plant, peace lily, bamboo plant, lady palm, golden pothos, butterfly palm, areca palm, aloe vera, and English ivy. These plants will not only enhance the beauty of your room but also work effectively to improve the air quality naturally.
5. Avoid smoking indoors
One of the main causes of air pollution in the home is smoking. Cigarette smoke contains harmful chemicals that can linger in the air for hours. This can be harmful to both the air quality and the health of your family members. To improve the air quality inside your home, avoid smoking indoors or limit smoking to well-ventilated areas.
6. Control indoor humidity
Excessive humidity in the air increases the chances of mold growth inside the room, which is not only uncomfortable but also worsens the air quality of the room. You can use a dehumidifier in your home to maintain a balance of humidity. This helps prevent the growth of mold and keeps the air in the room fresh.
7. Use Paraffin candles
You can use paraffin candles instead of regular candles. When lit, it releases a kind of aroma that helps reduce allergies caused by dust particles in the air. Paraffin candles can effectively deodorize the air and eliminate odors in the room.
8. Reduce the use of chemical cleaners
Many people use various types of cleaners made of chemicals to clean their rooms, which emit harmful chemicals into the air. Use cleaners made with ingredients like vinegar, baking soda, or lemon. These natural ingredients help to effectively clean your room while reducing the emission of harmful chemicals into the air.
9. Keep the room dry
Fungus, mold usually grow more in damp, humid environments and worsen the air quality in the room. To prevent mold, fix any leaks in your home and use an exhaust fan if necessary. Also, make sure your bathroom and kitchen are properly ventilated.
10. Use a diffuser
You can use oils like cinnamon, oregano, rosemary, thyme, lemongrass, clove, etc., through a diffuser to purify the air. It keeps the air in the house free of mold. In addition, you can use eucalyptus and mint oils through oil diffuser, which will help to remove mosquitoes and flies from the house and spread a fresh aroma in the room air.
By following these simple steps, you can easily improve the air quality in your home and enjoy a healthier living space.
This article has been posted on: June 16, 2025
