These are premium masks and can filter particles like PM2.5 with 99% and 99.97% efficiency. This will prevent the building of moisture and fogging of spectacles. When shopping for this mask, choose one with a separate air valve for exhaled air. N95 masks are available in several designs. A good thing about these masks is that you can wash them and use them for six months before you need to replace them. But this cannot protect you against oil-based pollutants. It can filter 95% of all air pollutants including some part of PM2.5 pollutants. N95 air masks are the basic air pollution masks that everyone should wear for protection against air pollution. It’s even more true for the over-the-counter masks we buy as they are not put through any standard checks. They only bring a false sense of protection. So, it makes no sense to wear these masks. It cannot stop smaller particles resulting from sneezes or air pollutants like PM particles and gaseous air pollutants. A good quality surgery mask if worn properly can help block droplets, splashes, and splatter that may contain germs.īut that’s all it can do. They are there to provide a barrier between your mouth and nose and environment. Surgery masks are often made in different thicknesses and are designed only to protect you against contact and liquid. Surgery masks are simple face masks most people use (see picture below). Now, that you know how air pollution masks work, let’s get to our mask types. Also, when at home, air purifiers are far better option than face masks. So, depending on the filter layers in your face-mask, your protection level will be different. Since these particulates are so small, they stay in the air for a long time and can easily pass through our nasal cavity and accumulate in our lungs causing breathing problems, asthma, and even prolonged heart and lung diseases.” Source: US EPA “PM10 and PM2.5 refer to particulate matters that are 10 micrometers and 2.5 micrometers in size. Carbon filter – Some high-end pollution masks also contain an activated carbon filter that filters out the gaseous pollutants that cannot be trapped by either primary or particle filter. It’s there to stop the smaller pollutants such as PM2.5. Particle filter – The second layer is the particle filter.While it can stop PM10 particulate matter, it cannot remove PM2.5. Its work is to stop all the large particles such as dust and pollen. Primary filter – It’s the outer-layer.Each layer is designed for stopping a different pollutant. Most air pollution masks are made of different layers. Thus, ensuring that you are breathing clean and purified air. The masks filter out pollutants when you breathe through them. Before we begin, let us first discuss what we mean by air pollution masks and how they work.įace Masks as the name suggests are masks that cover your nose and mouth.
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