Suraksha kavach is an innovative android app to protect yourself by analyzing afficiancy of face cover by blowing air into phone's mic which will help you to identify face cover's ability to protect you from pollution.

How it works?
This is innovative way to analyze efficiency of face cover by blowing air through face cover into phone's mic.
If high amount of air passes through face cover high sound decibles will be recorded which means your face cover is not suitable to filter small particles of polluted air.

Permissions:
Audio Permission to calculate decibles

Developer contact:
[email protected]