And what to do with it Machines, factories, enterprises, hoods, construction sites – all these are indispensable elements of urban life, but they bring little useful for our lungs. Pulmonologist Igor Stepanyan explained why it is worth going out to nature regularly. Discuss in cities” alt=”It's time for barbecues: how polluted is the air in cities” It's time for barbecues: how polluted is the air in cities . “Both there and there are about 20 percent oxygen in the air mixture,” he explained.
According to him, the main difference between “urban” and “rural” air is the content of harmful particles.
If over Moscow , for example, smog hangs, then it is a suspension of all kinds of gases and small solid particles in the air. In fact, these are malicious components
Igor StepanyanPulmonologist
Where do these harmful particles come from? Well, there are many options, the expert believes. For example, from car tires that wear out on asphalt, or from numerous construction sites. All this is harmful to the body, therefore, in order to maintain health in such conditions, it is necessary to visit the city more often, Stepanyan explained his position.
Source: Radio "Sputnik"