The protective effect of medical masks on particles smaller than PM 10 is limited, because ordinary medical masks are used to prevent droplets and body fluids, so as to prevent respiratory infectious diseases, but the protective effect on dust is not very good, so it is recommended to wear dust masks in dusty weather, because the use time of medical masks is limited, and they will be wet by exhaled gas when breathing, which will easily cause the masks to be wet, so they cannot be used. However, the protective effect of medical masks may be a little worse than that of ordinary masks.

2 What masks should I wear in dusty weather? It is recommended to wear N95 and above protective masks.

Protective masks above N95 have good protective effect, because N95 masks have negative effects on aerodynamic diameter of 0.3? The filtration efficiency of M particles is above 95%, while the dust particles in China can be filtered by N95 in general weather, and it is also effective for the dust generated in the grinding, cleaning and treatment of minerals, flour and other materials. It is also suitable for liquid or non-oily particles that will not produce harmful volatile gases. So if the effect is the best, you can wear KN95 mask, N95 mask or a mask with higher protection level.

Can you run in dusty weather? Not recommended.

In dusty weather, the visibility of the air is very low, which contains dust particles and some other impurities. If you run at this time, it is easy to cause these particles to be inhaled into the lungs, causing lung injury, and may also cause some damage to the respiratory tract, which may easily lead to respiratory infection and inflammatory reaction. Therefore, it is safer to exercise indoors in dusty weather. You can try to practice push-ups, jogging in situ, skipping rope and other sports at home, and you can also have a good exercise effect. If conditions permit, you can also enjoy it.

Can I turn on the air conditioner in dusty weather? It is not recommended to turn on the air conditioner.

Because the indoor unit and outdoor unit of the air conditioner are connected through pipes, when the air conditioner is running, refrigerant circulates in the pipes and gas and liquid are converted. The cold air or hot air blown into the room by the air conditioner is the original indoor air, and the indoor air flows through the indoor unit of the air conditioner and cools/heats. Dust weather is easy to block the condenser of the outdoor unit of air conditioner, which leads to poor efficiency of cold and hot replacement. If not handled in time, it will lead to other mechanical failures.