What is IAQ – Importance of IAQ

Importance of IAQ

  • People breathe continuously, so the cleanliness of the air we breathe in is very important to our health.
  • We spend most of our time indoor, i.e. at home, school, office, shopping arcade, etc.
  • A polluted indoor environment can cause headache, eye irritation, breathing difficulties, skin allergic reactions, nausea and fatigue.
  • Children, elderly and those with existing respiratory or heart disease are more susceptible to the effects of indoor air pollution.
  • By improving IAQ, it can help improve staff productivity and reduce absenteeism, which can benefit your company’s performance.

Impact to Human

People breathe continuously, so the cleanliness of the air we breathe in is very important to our health.

Health Effect

  • Short-term and treatable immediate effects
    after exposure to high concentrations of indoor air pollutants
    • sore throat
    • headache
    • eyes irritation
    • nose irritation
    • dizziness
    • fatigue
  • Symptoms of diseases
    • asthma
    • hypersensitivity pneumonitis
    • humidifier fever
  • Chronic effects
    may show up only years after exposure has occurred or after long or repeated periods of exposure
    • respiratory diseases
    • heart disease
    • cancer

Sick Building Syndrome

  • It is used to describe situations in which building occupants experience acute health and comfort effects that appear to be linked to time spent in a building, but no specific illness or cause can be identified.
  • Building occupants complain of symptoms associated with acute discomfort, e.g., headache, eye, nose, or throat irritation, dry cough, dry or itchy skin, dizziness and nausea, difficulty in concentrating, fatigue, and sensitivity to odours.
  • The cause of the symptoms is not known and most of the complainants report relief soon after leaving the building.

Building Related Illnesses

  • It is attributed to specific or well-established causes associated with indoor air pollutants in buildings.
  • Allergic reactions such as hypersensitivity pneumonitis caused by certain species of fungi.
  • Infectious diseases such as Legionnaires’ disease and humidifier fever.

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