Is smog poisonous?

Haze is toxic, and its components are as follows:

1. With the deterioration of air quality, cloudy days increase and the harm is aggravated. Air pollution has long-term and chronic effects on lung cancer;

2. Studies abroad show that toxic particles in the air in foggy days are 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.

3, chronic bronchitis, emphysema, asthma, bronchitis, rhinitis, upper and lower respiratory tract infections and other common respiratory diseases, may be caused by haze days.