What are the main causes of indoor air pollution?
Tobacco smoke: the smoke you breathe in from someone else’s cigarette or pipe contains a number of dangerous substances, including: carbon monoxide, formaldehyde and other gases and particles, some of which can cause cancer. Smoke that comes from the end of the cigarette does not even pass through the filter. People with a lung condition often find that other people smoking around them affects them very badly. And, of course, it is not good for children to breathe in tobacco smoke. If you smoke, please be aware of others who do not, and who may not want to breathe in your smoke. Animal dusts: the minute particles of fur and skin from household pets – from dogs to budgies – are a major cause of allergy in some people. Cat hair, for example, settles on carpets, upholstery and bedding and can cause long-term allergy. The most effective solution is not to keep pets in your home. Alternatively, you can keep the levels of animal dusts down by regular and thorough vacuuming. It also helps to
