Stepping out during pollution season in many Indian cities feels like walking through a soft cloud that you cannot escape. The air smells burnt, your eyes sting a little, and you can almost feel the ...

New research shows that while many cloth and medical masks fall short against tiny airborne particles, simple hacks like overmasking or using braces can dramatically improve your protection, yet only ...

For two years, I've been wearing my filtration mask on red-air days, hoping not only to protect my lungs but also to raise awareness ... For two years, I’ve been wearing my filtration mask on red-air ...

Electrostatic adsorption is an important complement to mechanical filtration for high-efficiency air filtering in the use of face masks. However, the electrostatic charge of the filters decays over ...