In the summer, the scorching heat is already a challenge, but even more concerning is the severe indoor air pollution. Studies show that when the indoor temperature reaches 30°C, the release of harmful gases peaks. High temperatures cause blood vessels to dilate and blood viscosity to increase. Elderly individuals, patients, pregnant women, children, and those with weaker immune systems are especially vulnerable. Combined with the presence of various chemicals in the air, they are at greater risk of health issues, particularly for those with cardiovascular conditions.
According to recent reports, the main sources of indoor pollutants during the summer include:
First, formaldehyde pollution from decoration and furniture. Formaldehyde has a boiling point of 19°C, so it tends to be released more significantly in warmer weather. Many people don't notice the smell in winter, but in summer, the odor becomes much stronger.
Second, ammonia pollution from concrete antifreeze used during winter construction. Although the use of ammonia-containing antifreeze has been banned, buildings constructed with such materials continue to release ammonia, especially during hot summer months when the smell becomes more intense.
Third, biological contamination from air conditioners. The inside of an AC unit is often dark and moist, creating the perfect environment for mold, bacteria, viruses, and even Legionella to thrive. These harmful microorganisms can spread throughout the room through the circulating air, leading to illnesses like flu, tonsillitis, and pneumonia.
Fourth, odor pollution caused by insecticides, cleaning products, plastics, and kitchen or bathroom areas. While the smells may not always be toxic, prolonged exposure to these bad odors can be unbearable, causing headaches, nausea, and even contributing to chronic health problems over time.
It's important to take steps to improve indoor air quality, especially during the summer, to protect your health and ensure a more comfortable living environment.
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