top of page

How to Improve Indoor Air Quality in Your Home: A Comprehensive Guide

Indoor air quality is crucial for maintaining a healthy living environment. Poor air quality can lead to various health issues, including allergies, asthma, and respiratory problems. Fortunately, there are several effective strategies to enhance the air quality in your home. This guide will provide you with practical tips to ensure that the air you breathe indoors is as clean and fresh as possible.

woman breathing in

1. Regular Cleaning and Dusting

Maintaining a clean home is the first step towards improving indoor air quality.

  • Vacuum Regularly: Use a vacuum cleaner equipped with a HEPA filter to trap dust, pet dander, and other allergens. Vacuum carpets, rugs, and upholstery at least once a week.

  • Dust Surfaces: Dust surfaces using a damp cloth or microfiber duster to capture dust particles rather than spreading them into the air.

  • Wash Bedding: Clean bedding, curtains, and other fabrics regularly to remove dust mites and allergens. Use hot water to kill dust mites effectively.

2. Improve Ventilation

Proper ventilation helps to reduce indoor pollutants and circulate fresh air throughout your home.

  • Open Windows: Open windows regularly to allow fresh air to enter and stale air to exit. Even a few minutes a day can significantly improve air quality.

  • Use Exhaust Fans: Use exhaust fans in kitchens and bathrooms to remove moisture, odours, and airborne contaminants.

  • Air Purifiers: Invest in a high-quality air purifier with a HEPA filter to remove particles such as dust, pollen, and pet dander from the air. Place purifiers in frequently used rooms for optimal effect.

3. Control Humidity Levels

High humidity levels can contribute to the growth of mould and mildew, which negatively affect air quality.

  • Use Dehumidifiers: Use dehumidifiers to maintain indoor humidity levels between 30% and 50%. This helps prevent the growth of mould and dust mites.

  • Fix Leaks: Repair any leaks in your home’s roof, walls, or plumbing to prevent moisture build-up and mould growth.

  • Ventilate Damp Areas: Ensure areas like basements and bathrooms are well-ventilated to reduce humidity.

4. Incorporate Houseplants

Houseplants can naturally purify the air by absorbing pollutants and releasing oxygen.

  • Air-Purifying Plants: Consider adding air-purifying plants such as spider plants, peace lilies, snake plants, and aloe vera to your home. These plants are known for their ability to improve indoor air quality.

  • Care for Plants: Ensure your houseplants are well-maintained and free from mould. Overwatering can lead to mould growth, which can counteract the air-purifying benefits.

5. Regularly Replace Air Filters

Air filters in your HVAC system and air purifiers need regular maintenance to function effectively.

  • HVAC Filters: Replace HVAC filters every 3 months, or more frequently if you have pets or allergies. Use high-quality filters that can capture small particles.

  • Air Purifier Filters: Follow the manufacturer’s instructions for replacing air purifier filters. Regular maintenance ensures the device operates efficiently.

6. Test for Radon and Carbon Monoxide

Radon and carbon monoxide are odourless, colourless gases that can pose serious health risks.

  • Radon Testing: Test your home for radon using a radon testing kit or by hiring a professional. Radon is a radioactive gas that can enter homes through cracks in the foundation.

  • Carbon Monoxide Detectors: Install carbon monoxide detectors near sleeping areas and on each level of your home. Test the detectors regularly and replace batteries as needed.

7. Reduce Pet Dander

Pets can contribute to indoor air pollution through dander, hair, and tracked-in dirt.

  • Groom Pets Regularly: Brush and bathe your pets regularly to reduce the amount of dander and hair in your home.

  • Pet-Free Zones: Designate certain areas of your home as pet-free, such as bedrooms, to reduce exposure to allergens.

  • Clean Pet Areas: Frequently clean areas where your pets spend time, including their bedding and favourite spots.

8. Minimise Carpets and Rugs

Carpets and rugs can trap dust, allergens, and pollutants.

  • Hard Flooring: Opt for hard flooring such as wood, tile, or laminate, which is easier to clean and does not trap allergens.

  • Area Rugs: If you prefer rugs, choose washable area rugs and clean them regularly.

9. Avoid Smoking Indoors

Tobacco smoke contains numerous harmful chemicals that can significantly degrade indoor air quality.

  • No Smoking Policy: Implement a no-smoking policy inside your home to protect air quality. Encourage smokers to do so outside, away from windows and doors.

  • Remove Odours: Use air purifiers and ventilate the area thoroughly if smoking has occurred indoors to remove lingering odours and pollutants.


Improving indoor air quality requires a combination of regular maintenance, smart choices in products and materials, and proactive measures to reduce pollutants. By implementing these strategies, you can create a healthier and more comfortable living environment for you and your family. Remember, clean air is vital for your well-being, so take the necessary steps to ensure your home remains a safe and refreshing sanctuary.



bottom of page