Top 10 indoor contaminants

Indoor air quality is a crucial aspect of maintaining a healthy living environment. In the UK, there are various contaminants that can affect the air quality inside homes and buildings. Understanding these indoor air pollutants is essential for taking steps to mitigate their impact on health.

1. Tobacco Smoke

Tobacco smoke contains over 7,000 chemicals, including hundreds that are toxic and about 70 that can cause cancer. Second-hand smoke can linger in indoor spaces and pose a significant health risk.

2. Radon Gas

Radon is a naturally occurring radioactive gas that can seep into buildings through the ground. Prolonged exposure to high levels of radon can increase the risk of lung cancer.

3. Volatile Organic Compounds (VOCs)

VOCs are emitted by various household products such as paints, cleaning agents, and air fresheners. These chemicals can contribute to indoor air pollution and have been linked to respiratory issues and other health problems.

4. Mould and Mildew

Mould and mildew thrive in damp indoor environments and can release spores that worsen allergies and respiratory conditions. Proper ventilation and moisture control are essential for preventing mould growth.

5. Dust Mites

Dust mites are microscopic creatures that feed on skin flakes and thrive in warm, humid environments. Their faeces can trigger allergic reactions in sensitive individuals.

6. Pet Dander

Pet dander consists of tiny flecks of skin shed by animals with fur or feathers. Allergic reactions to pet dander can range from mild symptoms to severe asthma attacks.

7. Carbon Monoxide

Carbon monoxide is a colourless, odourless gas produced by incomplete combustion of fuels such as gas, oil, and wood. Exposure to high levels of carbon monoxide can be fatal.

8. Formaldehyde

Formaldehyde is a common indoor air pollutant found in building materials, furniture, and household products. Prolonged exposure to formaldehyde can irritate the eyes, nose, and throat.

9. Asbestos

Asbestos is a mineral fibre that was once used in construction materials for its heat resistance. However, asbestos fibres can become airborne when disturbed and pose a serious health risk when inhaled.

10. Pesticides

Pesticides used in homes and gardens to control pests can contribute to indoor air pollution. Long-term exposure to pesticides has been associated with various health issues, including respiratory problems and neurological disorders.

By being aware of these top 10 indoor air contaminants in the UK, individuals can take proactive steps to improve indoor air quality and safeguard their health and well-being.