Air pollution hazards

Indoor air pollution and high blood pressure, high cholesterol and obesity, and other common disease as the top ten threats to human health. Indoor pollution has attracted 35.7 percent of respiratory disease, 22 percent of chronic lung disease and 15 percent of tracheitis, bronchitis and lung cancer. Indoor air pollution has become a hazard to public health of the five largest environmental factors. From the test data show that China in recent years, China's chemical, physical, biological pollution are increasing. China's annual indoor air pollution caused by the excess deaths up to 111,000 people, out-patient excess of 220,000 people, super-emergency number 4.3 million passengers, severe indoor air pollution have caused huge economic losses.