If so far you have been using a mask to combat pollution, and don't quite like the fact that it covers your face entirely, affects your style quotient, and will become quite bothersome once the summers set in, you now have an option. A team comprising IIT Delhi alumni and faculty has produced a product called the nasofilter.
This is a miniature respiratory mask that has been designed and developed using nano technology. The nano fibre in this miniature mask can filter aerosols up to PM 2.5 in size and prevent them from entering your respiratory tract through the nose. PM