Haze weather not only affects air quality, but also harms our health.

With the deterioration of air quality, cloudy days are increasing and the harm is increasing. Air pollution has long-term and chronic effects on lung cancer. Studies abroad have shown that toxic particles in the air in haze days are also an important cause of cardiovascular diseases. Besides cancer, smog is also a heart killer. Particulate pollutants on cloudy days will not only cause myocardial infarction, but also cause myocardial ischemia or injury. Common respiratory diseases such as chronic bronchitis, emphysema, asthma, bronchitis, rhinitis and upper and lower respiratory tract infections may also be caused by foggy days. Foreign research shows that with the increase of inhalable particulate matter concentration 10ug/m3, respiratory diseases increase by 3.4%, cardiovascular diseases increase by 1.4%, and total daily mortality increases by 1%.