What aggravates the problem in Singapore?
Hot and wet climate facilitates the growth of mites and mould. Buildings with poor ventilation don’t allow harmful gasses to disperse. What are the health effects associated with indoor air quality? Common complaints are headaches, sneezing, coughing, nausea, fatigue, skin rashes, blurred vision, shortness of breath, drowsiness, vomiting, and difficulty in concentrating. Other severe health effects include convulsions, chronic bronchitis, pneumonia, liver and kidney problems and even cancer. Where are the sources of indoor air pollutants? Indoor air pollutants can be present in different forms. Here are some of the major sources of indoor air pollutants in our homes : • Formaldehyde (HCHO) Common sources are plywood panelling, adhesives, carpet backing, upholstery, drapery fabric as well as cigarette smoke. Health effects include headaches, dizziness, lethargy, rashes, nausea, asthma attacks and irritation of the eyes and upper respiratory tract. Prolonged exposure at high levels may b
