top of page

The Connection Between Indoor Air Quality and Asthma: What You Need to Know

Asthma is a chronic respiratory disease that affects millions of people worldwide. While the causes of asthma are not entirely understood, studies have shown that poor indoor air quality can trigger and worsen asthma symptoms. In this blog, we’ll explore the connection between indoor air quality and asthma, and what you can do to reduce the risk of asthma attacks in your home.

What is Asthma ?

Asthma is a chronic respiratory disease characterized by inflammation of the airways and recurring periods of wheezing, coughing, and shortness of breath. Asthma symptoms can range from mild to severe and can be triggered by a variety of factors, including allergens, pollutants, and stress.

The Connection Between Indoor Air Quality and Asthma

Indoor air quality is a crucial factor in managing asthma symptoms. Poor indoor air quality can trigger asthma attacks, irritate the airways, and worsen respiratory symptoms. Common indoor air pollutants that can exacerbate asthma symptoms include:

  1. Allergens: Dust mites, pet dander, pollen, and mold spores can trigger asthma symptoms in individuals who are sensitive to them.

  2. Particulate matter: Small particles such as dust, smoke, and soot can irritate the airways and worsen asthma symptoms.

  3. Volatile organic compounds (VOCs): VOCs are chemicals found in many household products, such as cleaning supplies, paint, and air fresheners, that can trigger asthma symptoms in some individuals.

  4. Nitrogen dioxide: This gas is a byproduct of combustion and can be produced by gas stoves, fireplaces, and other appliances. High levels of nitrogen dioxide can irritate the airways and trigger asthma symptoms.

Reducing the Risk of Asthma Attacks

There are several steps you can take to reduce the risk of asthma attacks in your home:

  1. Improve ventilation: Proper ventilation is essential for maintaining good indoor air quality. Open windows and doors to allow fresh air to circulate, and use exhaust fans in kitchens and bathrooms to remove moisture and pollutants.

  2. Use air purifiers: Air purifiers can help remove allergens, particulate matter, and other pollutants from the air.

  3. Control humidity levels: High humidity levels can promote mold growth and worsen asthma symptoms. Use a dehumidifier to control humidity levels in your home.

  4. Avoid smoking: Secondhand smoke can trigger asthma attacks, so it’s essential to avoid smoking or exposure to smoke in your home.

  5. Choose low-toxicity cleaning products: Choose natural or low-toxicity cleaning products to reduce exposure to harmful chemicals.


Good indoor air quality is essential for managing asthma symptoms and reducing the risk of asthma attacks. By reducing exposure to indoor air pollutants and implementing measures to improve indoor air quality, individuals with asthma can breathe easier and improve their quality of life. If you or a loved one has asthma, it’s important to speak with a healthcare professional for advice on managing symptoms and reducing exposure to triggers.

6 views0 comments


bottom of page