How do we prevent PM2.5 under the smog?

PM2.5 refers to particles in the atmosphere with a diameter less than or equal to 2.5 microns. Its diameter is less than 1/20 of the thickness of human hair. Medical experts believe that fine particles with a particle size below 2.5 microns are equivalent to human hair. The size of 1/10 is not easy to block.

When PM2.5 is inhaled into the human body, it can easily cause diseases including asthma, bronchitis and cardiovascular diseases. The main source of PM2.5 production is the residue emitted by combustion during daily power generation, industrial production, and automobile exhaust emissions.

How to prevent PM2.5?

1, hiding

It is the second choice when you can't escape when you are away from home. Symptoms of patients with heart disease and lung disease are significantly worse in severely contaminated areas, and symptoms are common in healthy people. Reducing the exit is the most effective way to protect yourself, especially those with cardiovascular and cerebrovascular diseases, respiratory diseases, children and the elderly.

When you are at home, be careful not to open the window. Avoid opening the window and breathing. If you really need to open the window to breathe, you should try to avoid the morning and evening smog peak hours, you can open the window to open a slit ventilation, the time is preferably half an hour.

2, 捂

To block PM2.5, a medical N95 mask is needed, which can withstand 95% of 0.3 micron particles. Pay attention to the purchase of a regular N95 mask that matches the size of your face. After removing it, wait until it is dry and fold it up to prevent breathing. Moisture allows masks to breed bacteria. Do not wear too long, elderly people and people with cardiovascular disease should avoid wearing, so as not to cause dizziness caused by breathing difficulties.

Don't ride, don't exercise. When riding a bicycle, you need to inhale a lot of air. In this weather, the air is seriously polluted. The faster you ride, the more chemicals you inhale. The haze weather is especially unsuitable for morning exercise. When the weather is polluted, morning exercises should be cancelled.

3, wash

Wash your face, rinse your mouth, and clean your nose. After entering the room, the cockroaches attached to our body should be cleaned up in time, wash your face, rinse your mouth, and clean your nose. It is best to wash your face with warm water, which can effectively clean the yin particles attached to the skin; the purpose of gargle is to remove the dirt attached to the mouth; the most important thing is to clean the nasal cavity.

Nasal washing method: After washing your hands, hold warm water, gently absorb water with your nose and quickly rub your nose. Repeated several times, the dirty things in the nasal cavity are all cleaned up. It is worth noting that when cleaning the nasal cavity, it is necessary to gently absorb water to avoid coughing. When the child cleans the nose, the child can use a clean cotton swab to wash the water and wash it repeatedly.

4, anti

In addition to the house, wearing a mask, there are ways to combat air pollution, such as planting green plants in the room and using air purifiers in the living room. Planting green plants has a certain effect on air pollution. Green crown plants such as green plants, green radish, evergreen, and tiger peony can be planted in their own balconies, terraces and indoors. Because of their large leaves, the adsorption capacity is relatively strong. If you use an air purifier, be careful to change the filter to avoid secondary pollution.

5, tune

Severe ash effects can cause different degrees of damage to the lungs, and a variety of symptoms such as dry throat, itchy throat, cough, phlegm and even asthma. These symptoms can be relieved by dialectical diet and Chinese medicine conditioning. For example, the ingredients such as ginseng, Ophiopogon japonicus, and lily are sweet and cold. For those who have chronic pharyngitis and chronic bronchitis, they have the effect of nourishing yin, clearing the lungs, moistening dryness and relieving cough. The ingredients such as Codonopsis, Beibei, and walnuts are suitable for the lack of lung qi, such as shortness of breath, shortness of breath, and easy to breathe.