In the name of affordable anti-pollution masks, we found many medical stores offering a variety of masks unfit to safeguard you when the AQI in Delhi is still “poor”. These range from cloth masks, ...

One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

BANGKOK (THE NATION/ASIA NEWS NETWORK) - As high-quality face masks to protect users against dangerous smog are in short supply, research found that common face masks with several levels of additional ...