In recent days, the atmosphere in Hanoi has become dull, it is impossible to clearly see high-rise buildings from a few hundred to several kilometers. In the street, everyone must wear it khẩu trang chống bụiincluding walking on the street or walking to exercise. The air pollution index in Hanoi skyrocketed, one day at the top of the ranking of the most polluted cities in the world. The event raised insecurity among the people in the capital city in particular and the country in general. What solution can we take to protect our health? Along find out through the article below.
The air pollution situation in Hanoi and surrounding areas
Air pollution occurs throughout the country, but is most evident and continues for a long time in Hanoi capital and neighboring areas in the Northern Delta region. Since September, the AQI (short for air quality index) when measured at many points in this area, as recorded by the PAMAir system, has been at the threshold of serious pollution (AQI above 150). This is the level of danger to human health.
Even without monitoring the AQI, people living in the above areas are also clearly aware of the air pollution. Although it was morning, but the air was cloudy, looking far away blurred, looking up at the sky, the sky was originally dark blue, now only a pale blue color is visible. Dirt dust makes even pedestrians wear khẩu trang chống bụi. Across the city, faces were sealed everywhere, filled with fatigue and anxiety.
The dangers of air pollution to human health
Air pollution in Hanoi and surrounding areas is classified as fine and super fine dust. This type of dust has a very small size, less than 2.5 micrometres in diameter, so it is called PM2.5. Because they are small, they are suspended in the air and can creep into doorways. So even if the door is closed, we can still breathe in fine dust.
If the dust is large, the coarse dust can be filtered with a mask, then the fine dust is not. They easily penetrate conventional masks and because of their small size, they also pass through the filtration system of the respiratory system, into the circulatory system. Once in the body, they can cause respiratory and cardiovascular problems such as chest pain, chest tightness, cough, nose pain ...
Some solutions to protect health against fine dust pollution
Monitoring the situation of fine dust pollution every day
Every day, you should monitor the fine dust pollution where you live. If exceeding the safety level, limit going outside or equip yourself with a coat, hat, khẩu trang chống bụi… You can track through websites providing pollution situation such as Aqicn.org, moitruongthudo.vn, Pamair.org, Air Visual…
Do not use medical masks
Regular medical masks and masks in this case are useless because they have a lot of gaps, making it easy to pass through small dust like fine and super fine dust. You should use a special mask like activated cacbon gauze mask - can block fine dust and absorb toxic gases in the surrounding environment, or use a mask that is advertised as able to filter fine dust.
Buy an air purifier for the house
Your home should be a safe haven when it's filled with pollution outside. You should have an air purifier, at least in your bedroom. A good air purifier not only helps filter dust and fine dust, removes harmful impurities, but also measures fine dust concentration in the air, helping you proactively update information at all times.
Air pollution has become a problem globally, not just in the North. The time has come to equip ourselves with the knowledge and supplies necessary to protect the health of ourselves and our loved ones. Remember, always wear khẩu trang chống bụi before going out!
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