5 Things Affecting Your Indoor Air Quality

July 8, 2024

Indoor air quality is crucial for maintaining a healthy living environment. Poor air quality can lead to various health issues, including respiratory problems, allergies, and other long-term conditions. Understanding the factors that affect indoor air quality can help you take the necessary steps to improve the air you breathe. Here are five things that significantly impact indoor air quality.

1. Household Chemicals and Cleaning Products

Many common household products contain chemicals that can adversely affect indoor air quality. Cleaning supplies, paints, varnishes, and even some furniture and carpeting release volatile organic compounds (VOCs) into the air. VOCs are a group of chemicals that can easily evaporate into the air at room temperature, and long-term exposure to these compounds can cause respiratory irritation, headaches, and even chronic diseases.

To minimize the impact of household chemicals on indoor air quality, opt for natural or eco-friendly cleaning products. These alternatives often contain fewer harmful chemicals and are less likely to release VOCs. Additionally, ensure your home is well-ventilated when using any products that contain chemicals, and consider using an air purifier to reduce the concentration of VOCs in the air.

2. Old/Broken AC Units

Air conditioning units play a vital role in maintaining indoor air quality by regulating temperature and humidity levels. However, old or malfunctioning AC units can negatively impact the air quality in your home. When an AC unit is not functioning correctly, it may fail to adequately filter out pollutants such as dust, pollen, and mold spores. Additionally, a broken unit can lead to increased humidity levels, creating a breeding ground for mold and mildew.

It's essential to regularly maintain and service your air conditioning unit to ensure it operates efficiently. If your AC unit is old or consistently underperforming, consider replacing it with a newer, more efficient model. Companies like Altman's Air Conditioning & Heating Repair offer expert services for maintaining, repairing, and replacing AC units, helping you ensure your system is in top working condition. A properly functioning AC unit can significantly improve indoor air quality by filtering out contaminants and maintaining optimal humidity levels.

3. Poor Ventilation

Proper ventilation is crucial for maintaining good indoor air quality. Without adequate ventilation, indoor air can become stale and filled with pollutants. This is especially true in modern homes, which are often built to be more energy-efficient and airtight. While this is beneficial for reducing energy costs, it can also trap pollutants inside the home, leading to poor air quality.

Improving ventilation can be as simple as opening windows and doors to allow fresh air to circulate throughout your home. Installing exhaust fans in kitchens and bathrooms can also help remove pollutants and excess moisture. Additionally, consider using a mechanical ventilation system, such as a heat recovery ventilator (HRV) or an energy recovery ventilator (ERV), to provide a continuous supply of fresh air while maintaining energy efficiency.

4. Indoor Plants

While indoor plants can enhance the aesthetic appeal of your home and even help improve air quality by absorbing carbon dioxide and releasing oxygen, some plants can also contribute to poor indoor air quality. Certain plants release pollen or mold spores, which can cause allergic reactions or respiratory issues, especially in individuals with preexisting conditions.

To mitigate this risk, choose low-pollen indoor plants and ensure they are properly cared for to prevent mold growth. Regularly clean the leaves and soil surface, and avoid overwatering, which can lead to mold and mildew. Some excellent low-pollen indoor plant options include snake plants, spider plants, and peace lilies.

5. Smoking Indoors

Smoking indoors is one of the most significant contributors to poor indoor air quality. Tobacco smoke contains a multitude of harmful chemicals, including nicotine, tar, and carbon monoxide. These substances can linger in the air long after smoking has ceased, posing a health risk to anyone who inhales them.

The best way to protect indoor air quality is to prohibit smoking inside the home entirely. If smoking does occur, ensure that the area is well-ventilated by opening windows and using fans to disperse the smoke. Additionally, air purifiers equipped with HEPA filters can help remove smoke particles from the air, although they are not a substitute for eliminating indoor smoking altogether.


Indoor air quality is a critical aspect of a healthy home environment. By being aware of the factors that affect air quality—such as household chemicals, old or broken AC units, poor ventilation, indoor plants, and smoking indoors—you can take steps to mitigate their impact. Regular maintenance of your HVAC system, opting for natural cleaning products, improving home ventilation, choosing the right indoor plants, and eliminating indoor smoking can all contribute to better indoor air quality. Taking these measures will help ensure a healthier living space for you and your family.


Urban Splatter

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