India, Nov. 14 -- The Delhi Traffic Police has procured over 200 specialised face masks equipped with replaceable filters and fans to protect personnel on the ground from deteriorating air quality, with officers pointing to increasing levels of PM2.5 that adversely impacts health.

A part of the mask, near the nostril, is connected to a fan that can be worn around the abdominal area as an attachment to a belt to ensure that the personnel wearing the mask do not suffocate, officers said. While N95 masks are being distributed as usual, several officers have complained of being exposed to dust due to the masks not being airtight and also being uncomfortable when worn for long hours.

SK Singh, deputy commissioner of police (traffic HQ), told...