In recent months, reports have surfaced about the growing concern around Jishan Primary School in Kunming, where numerous sand yards and brick factories have been constructed nearby. As a result, students are often seen wearing masks to school due to the heavy dust in the air. However, many parents are unaware that not all masks offer effective protection against dust. With increasing wind and rising levels of allergens such as dust and pollen in the air, more people are turning to face masks when going out. Yet, with so many types of masks available on the market, it's easy to feel confused about which one is the best choice.
At local pharmacies, mask prices vary widely, and demand has increased significantly. A pharmacy employee explained that non-woven disposable masks are commonly used for dust and bacterial protection, but they are single-use and need to be replaced regularly. Meanwhile, cotton-based dust masks are also popular, though their effectiveness may not match that of medical-grade masks. “A four-layer mask offers better protection than a three-layer one,†the salesperson said, adding that these masks are suitable for basic dust prevention but not for filtering bacteria or other harmful particles.
During a visit to several pharmacies and supermarkets in Kunming, reporters found a variety of masks available. These included disposable non-woven masks, cotton or gauze-based dust masks, child-specific masks, nano-fiber masks, and N95 masks designed to protect against dust, toxins, and fog. Prices range from as low as 1 yuan to over 20 yuan, with N95 masks offering broader protection against pollutants like secondhand smoke, vehicle exhaust, and formaldehyde.
Consumers are advised to be cautious when choosing masks. Recently, the China Consumer Association, along with associations from Shanghai, Anhui, Chongqing, Ningbo, and Harbin, conducted a comparative test on 37 mask models priced between 0.58 yuan and 199 yuan. The results showed that most masks did not perform well in terms of protective capabilities. Dr. Zhang Yunhui, a respiratory medicine expert at Shandong Provincial First People’s Hospital, warned that during spring, when respiratory diseases are common, improper mask use can actually increase the risk of infection.
Dr. Zhang pointed out that some beauty masks with printed designs may not provide adequate protection and could even lead to infections. “Their tight design traps moisture, creating an environment where bacteria can grow,†he explained. He emphasized that the effectiveness of a mask depends on the filter pore size, the fit around the face, and how well it seals, rather than just its thickness. Wearing a mask that is too thick can cause discomfort and make breathing difficult, leading to dampness and potential health risks.
In summary, while masks are essential in polluted environments, it's important to choose the right type based on specific needs. Avoiding overly thick or poorly fitting masks and opting for certified, breathable options is key to staying protected without compromising health.
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