Why Indoor Air Matters for Asthma

Before my daughter Kate was diagnosed with asthma, I assumed air pollution was mainly an outdoor problem. What I later discovered is that the air inside our homes can also contain a range of invisible irritants that may affect breathing and comfort.

Everyday activities such as cooking, burning candles, cleaning and even simply living with pets can release particles into the air. Dust, dust mites, pet dander, mould spores and chemical vapours from household products can all accumulate indoors, often without us realising it.

For some people, particularly those with asthma, allergies or sensitive airways, these airborne particles may contribute to symptoms such as coughing, wheezing, chest discomfort and disturbed sleep.

I was especially surprised to learn how symptoms can sometimes feel worse at night, when windows are closed, ventilation is reduced and allergens have more opportunity to build up in bedrooms.

While improving indoor air quality is not a substitute for medical advice or treatment, reducing airborne particles in the home may help create a cleaner, more comfortable environment for sensitive lungs, especially where people spend many hours sleeping and resting.